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UDF: coding style conversion - lindent

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This patch converts UDF coding style to kernel coding style using Lindent.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Cyrill Gorcunov
2007-07-19 01:47:43 -07:00
committed by Linus Torvalds
parent 95a631e2d9
commit cb00ea3528
23 changed files with 3789 additions and 3637 deletions
Download Patch File Download Diff File Expand all files Collapse all files

705
fs/udf/balloc.c
View File

File diff suppressed because it is too large Load Diff

19
fs/udf/crc.c
View File

@@ -79,8 +79,7 @@ static uint16_t crc_table[256] = {
* July 21, 1997 - Andrew E. Mileski
* Adapted from OSTA-UDF(tm) 1.50 standard.
*/
uint16_t
udf_crc(uint8_t *data, uint32_t size, uint16_t crc)
uint16_t udf_crc(uint8_t * data, uint32_t size, uint16_t crc)
{
while (size--)
crc = crc_table[(crc >> 8 ^ *(data++)) & 0xffU] ^ (crc << 8);
@@ -112,7 +111,7 @@ int main(void)
return 0;
}
#endif /* defined(TEST) */
#endif /* defined(TEST) */
/****************************************************************************/
#if defined(GENERATE)
@@ -138,7 +137,7 @@ int main(int argc, char **argv)
/* Get the polynomial */
sscanf(argv[1], "%lo", &poly);
if (poly & 0xffff0000U){
if (poly & 0xffff0000U) {
fprintf(stderr, "polynomial is too large\en");
exit(1);
}
@@ -147,22 +146,22 @@ int main(int argc, char **argv)
/* Create a table */
printf("static unsigned short crc_table[256] = {\n");
for (n = 0; n < 256; n++){
for (n = 0; n < 256; n++) {
if (n % 8 == 0)
printf("\t");
crc = n << 8;
for (i = 0; i < 8; i++){
if(crc & 0x8000U)
for (i = 0; i < 8; i++) {
if (crc & 0x8000U)
crc = (crc << 1) ^ poly;
else
crc <<= 1;
crc &= 0xFFFFU;
crc &= 0xFFFFU;
}
if (n == 255)
printf("0x%04xU ", crc);
else
printf("0x%04xU, ", crc);
if(n % 8 == 7)
if (n % 8 == 7)
printf("\n");
}
printf("};\n");
@@ -170,4 +169,4 @@ int main(int argc, char **argv)
return 0;
}
#endif /* defined(GENERATE) */
#endif /* defined(GENERATE) */

136
fs/udf/dir.c
View File

@@ -43,10 +43,10 @@ static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *);
/* readdir and lookup functions */
const struct file_operations udf_dir_operations = {
.read = generic_read_dir,
.readdir = udf_readdir,
.ioctl = udf_ioctl,
.fsync = udf_fsync_file,
.read = generic_read_dir,
.readdir = udf_readdir,
.ioctl = udf_ioctl,
.fsync = udf_fsync_file,
};
/*
@@ -82,26 +82,26 @@ int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
lock_kernel();
if ( filp->f_pos == 0 )
{
if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) < 0)
{
if (filp->f_pos == 0) {
if (filldir(dirent, ".", 1, filp->f_pos, dir->i_ino, DT_DIR) <
0) {
unlock_kernel();
return 0;
}
filp->f_pos ++;
filp->f_pos++;
}
result = do_udf_readdir(dir, filp, filldir, dirent);
unlock_kernel();
return result;
return result;
}
static int
do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *dirent)
static int
do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir,
void *dirent)
{
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi=NULL;
struct fileIdentDesc *fi = NULL;
struct fileIdentDesc cfi;
int block, iblock;
loff_t nf_pos = filp->f_pos - 1;
@@ -117,7 +117,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
sector_t offset;
int i, num;
unsigned int dt_type;
struct extent_position epos = { NULL, 0, {0, 0}};
struct extent_position epos = { NULL, 0, {0, 0} };
if (nf_pos >= size)
return 0;
@@ -125,65 +125,61 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
if (nf_pos == 0)
nf_pos = (udf_ext0_offset(dir) >> 2);
fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
fibh.soffset = fibh.eoffset =
(nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
fibh.sbh = fibh.ebh = NULL;
else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2),
&epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30))
{
&epos, &eloc, &elen,
&offset) == (EXT_RECORDED_ALLOCATED >> 30)) {
block = udf_get_lb_pblock(dir->i_sb, eloc, offset);
if ((++offset << dir->i_sb->s_blocksize_bits) < elen)
{
if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT)
epos.offset -= sizeof(short_ad);
else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG)
epos.offset -= sizeof(long_ad);
}
else
} else
offset = 0;
if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block)))
{
if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) {
brelse(epos.bh);
return -EIO;
}
if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9))-1)))
{
if (!(offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1))) {
i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
if (i+offset > (elen >> dir->i_sb->s_blocksize_bits))
i = (elen >> dir->i_sb->s_blocksize_bits)-offset;
for (num=0; i>0; i--)
{
block = udf_get_lb_pblock(dir->i_sb, eloc, offset+i);
if (i + offset > (elen >> dir->i_sb->s_blocksize_bits))
i = (elen >> dir->i_sb->s_blocksize_bits) -
offset;
for (num = 0; i > 0; i--) {
block =
udf_get_lb_pblock(dir->i_sb, eloc,
offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
if (tmp && !buffer_uptodate(tmp)
&& !buffer_locked(tmp))
bha[num++] = tmp;
else
brelse(tmp);
}
if (num)
{
if (num) {
ll_rw_block(READA, num, bha);
for (i=0; i<num; i++)
for (i = 0; i < num; i++)
brelse(bha[i]);
}
}
}
else
{
} else {
brelse(epos.bh);
return -ENOENT;
}
while ( nf_pos < size )
{
while (nf_pos < size) {
filp->f_pos = nf_pos + 1;
fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset);
fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc,
&elen, &offset);
if (!fi)
{
if (!fi) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
@@ -196,43 +192,41 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
if (fibh.sbh == fibh.ebh)
nameptr = fi->fileIdent + liu;
else
{
else {
int poffset; /* Unpaded ending offset */
poffset = fibh.soffset + sizeof(struct fileIdentDesc) + liu + lfi;
poffset =
fibh.soffset + sizeof(struct fileIdentDesc) + liu +
lfi;
if (poffset >= lfi)
nameptr = (char *)(fibh.ebh->b_data + poffset - lfi);
else
{
nameptr =
(char *)(fibh.ebh->b_data + poffset - lfi);
else {
nameptr = fname;
memcpy(nameptr, fi->fileIdent + liu, lfi - poffset);
memcpy(nameptr + lfi - poffset, fibh.ebh->b_data, poffset);
memcpy(nameptr, fi->fileIdent + liu,
lfi - poffset);
memcpy(nameptr + lfi - poffset,
fibh.ebh->b_data, poffset);
}
}
if ( (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0 )
{
if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE) )
continue;
}
if ( (cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0 )
{
if ( !UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE) )
if ((cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) != 0) {
if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNDELETE))
continue;
}
if ( cfi.fileCharacteristics & FID_FILE_CHAR_PARENT )
{
if ((cfi.fileCharacteristics & FID_FILE_CHAR_HIDDEN) != 0) {
if (!UDF_QUERY_FLAG(dir->i_sb, UDF_FLAG_UNHIDE))
continue;
}
if (cfi.fileCharacteristics & FID_FILE_CHAR_PARENT) {
iblock = parent_ino(filp->f_path.dentry);
flen = 2;
memcpy(fname, "..", flen);
dt_type = DT_DIR;
}
else
{
} else {
kernel_lb_addr tloc = lelb_to_cpu(cfi.icb.extLocation);
iblock = udf_get_lb_pblock(dir->i_sb, tloc, 0);
@@ -240,18 +234,18 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d
dt_type = DT_UNKNOWN;
}
if (flen)
{
if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0)
{
if (flen) {
if (filldir
(dirent, fname, flen, filp->f_pos, iblock,
dt_type) < 0) {
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
brelse(epos.bh);
return 0;
return 0;
}
}
} /* end while */
} /* end while */
filp->f_pos = nf_pos + 1;

207
fs/udf/directory.c
View File

@@ -19,10 +19,10 @@
#include <linux/buffer_head.h>
#if 0
static uint8_t *
udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
kernel_lb_addr fe_loc, int *pos, int *offset,
struct buffer_head **bh, int *error)
static uint8_t *udf_filead_read(struct inode *dir, uint8_t * tmpad,
uint8_t ad_size, kernel_lb_addr fe_loc,
int *pos, int *offset, struct buffer_head **bh,
int *error)
{
int loffset = *offset;
int block;
@@ -31,31 +31,27 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
*error = 0;
ad = (uint8_t *)(*bh)->b_data + *offset;
ad = (uint8_t *) (*bh)->b_data + *offset;
*offset += ad_size;
if (!ad)
{
if (!ad) {
brelse(*bh);
*error = 1;
return NULL;
}
if (*offset == dir->i_sb->s_blocksize)
{
if (*offset == dir->i_sb->s_blocksize) {
brelse(*bh);
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
if (!block)
return NULL;
if (!(*bh = udf_tread(dir->i_sb, block)))
return NULL;
}
else if (*offset > dir->i_sb->s_blocksize)
{
} else if (*offset > dir->i_sb->s_blocksize) {
ad = tmpad;
remainder = dir->i_sb->s_blocksize - loffset;
memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder);
memcpy((uint8_t *) ad, (*bh)->b_data + loffset, remainder);
brelse(*bh);
block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos);
@@ -64,56 +60,56 @@ udf_filead_read(struct inode *dir, uint8_t *tmpad, uint8_t ad_size,
if (!((*bh) = udf_tread(dir->i_sb, block)))
return NULL;
memcpy((uint8_t *)ad + remainder, (*bh)->b_data, ad_size - remainder);
memcpy((uint8_t *) ad + remainder, (*bh)->b_data,
ad_size - remainder);
*offset = ad_size - remainder;
}
return ad;
}
#endif
struct fileIdentDesc *
udf_fileident_read(struct inode *dir, loff_t *nf_pos,
struct udf_fileident_bh *fibh,
struct fileIdentDesc *cfi,
struct extent_position *epos,
kernel_lb_addr *eloc, uint32_t *elen,
sector_t *offset)
struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t * nf_pos,
struct udf_fileident_bh *fibh,
struct fileIdentDesc *cfi,
struct extent_position *epos,
kernel_lb_addr * eloc, uint32_t * elen,
sector_t * offset)
{
struct fileIdentDesc *fi;
int i, num, block;
struct buffer_head * tmp, * bha[16];
struct buffer_head *tmp, *bha[16];
fibh->soffset = fibh->eoffset;
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB)
{
if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) {
fi = udf_get_fileident(UDF_I_DATA(dir) -
(UDF_I_EFE(dir) ?
sizeof(struct extendedFileEntry) :
sizeof(struct fileEntry)),
dir->i_sb->s_blocksize, &(fibh->eoffset));
(UDF_I_EFE(dir) ?
sizeof(struct extendedFileEntry) :
sizeof(struct fileEntry)),
dir->i_sb->s_blocksize,
&(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
memcpy((uint8_t *) cfi, (uint8_t *) fi,
sizeof(struct fileIdentDesc));
return fi;
}
if (fibh->eoffset == dir->i_sb->s_blocksize)
{
if (fibh->eoffset == dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
(EXT_RECORDED_ALLOCATED >> 30))
(EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
(*offset) ++;
(*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -125,57 +121,57 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
return NULL;
fibh->soffset = fibh->eoffset = 0;
if (!(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9))-1)))
if (!
(*offset & ((16 >> (dir->i_sb->s_blocksize_bits - 9)) - 1)))
{
i = 16 >> (dir->i_sb->s_blocksize_bits - 9);
if (i+*offset > (*elen >> dir->i_sb->s_blocksize_bits))
i = (*elen >> dir->i_sb->s_blocksize_bits)-*offset;
for (num=0; i>0; i--)
{
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset+i);
if (i + *offset >
(*elen >> dir->i_sb->s_blocksize_bits))
i = (*elen >> dir->i_sb->s_blocksize_bits) -
*offset;
for (num = 0; i > 0; i--) {
block =
udf_get_lb_pblock(dir->i_sb, *eloc,
*offset + i);
tmp = udf_tgetblk(dir->i_sb, block);
if (tmp && !buffer_uptodate(tmp) && !buffer_locked(tmp))
if (tmp && !buffer_uptodate(tmp)
&& !buffer_locked(tmp))
bha[num++] = tmp;
else
brelse(tmp);
}
if (num)
{
if (num) {
ll_rw_block(READA, num, bha);
for (i=0; i<num; i++)
for (i = 0; i < num; i++)
brelse(bha[i]);
}
}
}
else if (fibh->sbh != fibh->ebh)
{
} else if (fibh->sbh != fibh->ebh) {
brelse(fibh->sbh);
fibh->sbh = fibh->ebh;
}
fi = udf_get_fileident(fibh->sbh->b_data, dir->i_sb->s_blocksize,
&(fibh->eoffset));
&(fibh->eoffset));
if (!fi)
return NULL;
*nf_pos += ((fibh->eoffset - fibh->soffset) >> 2);
if (fibh->eoffset <= dir->i_sb->s_blocksize)
{
memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
}
else if (fibh->eoffset > dir->i_sb->s_blocksize)
{
if (fibh->eoffset <= dir->i_sb->s_blocksize) {
memcpy((uint8_t *) cfi, (uint8_t *) fi,
sizeof(struct fileIdentDesc));
} else if (fibh->eoffset > dir->i_sb->s_blocksize) {
int lextoffset = epos->offset;
if (udf_next_aext(dir, epos, eloc, elen, 1) !=
(EXT_RECORDED_ALLOCATED >> 30))
(EXT_RECORDED_ALLOCATED >> 30))
return NULL;
block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);
(*offset) ++;
(*offset)++;
if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)
*offset = 0;
@@ -188,62 +184,62 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos,
if (!(fibh->ebh = udf_tread(dir->i_sb, block)))
return NULL;
if (sizeof(struct fileIdentDesc) > - fibh->soffset)
{
if (sizeof(struct fileIdentDesc) > -fibh->soffset) {
int fi_len;
memcpy((uint8_t *)cfi, (uint8_t *)fi, - fibh->soffset);
memcpy((uint8_t *)cfi - fibh->soffset, fibh->ebh->b_data,
sizeof(struct fileIdentDesc) + fibh->soffset);
memcpy((uint8_t *) cfi, (uint8_t *) fi, -fibh->soffset);
memcpy((uint8_t *) cfi - fibh->soffset,
fibh->ebh->b_data,
sizeof(struct fileIdentDesc) + fibh->soffset);
fi_len = (sizeof(struct fileIdentDesc) + cfi->lengthFileIdent +
le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
fi_len =
(sizeof(struct fileIdentDesc) +
cfi->lengthFileIdent +
le16_to_cpu(cfi->lengthOfImpUse) + 3) & ~3;
*nf_pos += ((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
*nf_pos +=
((fi_len - (fibh->eoffset - fibh->soffset)) >> 2);
fibh->eoffset = fibh->soffset + fi_len;
}
else
{
memcpy((uint8_t *)cfi, (uint8_t *)fi, sizeof(struct fileIdentDesc));
} else {
memcpy((uint8_t *) cfi, (uint8_t *) fi,
sizeof(struct fileIdentDesc));
}
}
return fi;
}
struct fileIdentDesc *
udf_get_fileident(void * buffer, int bufsize, int * offset)
struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
{
struct fileIdentDesc *fi;
int lengthThisIdent;
uint8_t * ptr;
uint8_t *ptr;
int padlen;
if ( (!buffer) || (!offset) ) {
udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer, offset);
if ((!buffer) || (!offset)) {
udf_debug("invalidparms\n, buffer=%p, offset=%p\n", buffer,
offset);
return NULL;
}
ptr = buffer;
if ( (*offset > 0) && (*offset < bufsize) ) {
if ((*offset > 0) && (*offset < bufsize)) {
ptr += *offset;
}
fi=(struct fileIdentDesc *)ptr;
if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID)
{
fi = (struct fileIdentDesc *)ptr;
if (le16_to_cpu(fi->descTag.tagIdent) != TAG_IDENT_FID) {
udf_debug("0x%x != TAG_IDENT_FID\n",
le16_to_cpu(fi->descTag.tagIdent));
le16_to_cpu(fi->descTag.tagIdent));
udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
*offset, (unsigned long)sizeof(struct fileIdentDesc), bufsize);
*offset, (unsigned long)sizeof(struct fileIdentDesc),
bufsize);
return NULL;
}
if ( (*offset + sizeof(struct fileIdentDesc)) > bufsize )
{
if ((*offset + sizeof(struct fileIdentDesc)) > bufsize) {
lengthThisIdent = sizeof(struct fileIdentDesc);
}
else
} else
lengthThisIdent = sizeof(struct fileIdentDesc) +
fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
fi->lengthFileIdent + le16_to_cpu(fi->lengthOfImpUse);
/* we need to figure padding, too! */
padlen = lengthThisIdent % UDF_NAME_PAD;
@@ -255,56 +251,53 @@ udf_get_fileident(void * buffer, int bufsize, int * offset)
}
#if 0
static extent_ad *
udf_get_fileextent(void * buffer, int bufsize, int * offset)
static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
{
extent_ad * ext;
extent_ad *ext;
struct fileEntry *fe;
uint8_t * ptr;
uint8_t *ptr;
if ( (!buffer) || (!offset) )
{
if ((!buffer) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileextent() invalidparms\n");
return NULL;
}
fe = (struct fileEntry *)buffer;
if ( le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE )
{
if (le16_to_cpu(fe->descTag.tagIdent) != TAG_IDENT_FE) {
udf_debug("0x%x != TAG_IDENT_FE\n",
le16_to_cpu(fe->descTag.tagIdent));
le16_to_cpu(fe->descTag.tagIdent));
return NULL;
}
ptr=(uint8_t *)(fe->extendedAttr) + le32_to_cpu(fe->lengthExtendedAttr);
ptr =
(uint8_t *) (fe->extendedAttr) +
le32_to_cpu(fe->lengthExtendedAttr);
if ( (*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)) )
{
if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs))) {
ptr += *offset;
}
ext = (extent_ad *)ptr;
ext = (extent_ad *) ptr;
*offset = *offset + sizeof(extent_ad);
return ext;
}
#endif
short_ad *
udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc)
short_ad *udf_get_fileshortad(uint8_t * ptr, int maxoffset, int *offset,
int inc)
{
short_ad *sa;
if ( (!ptr) || (!offset) )
{
if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_fileshortad() invalidparms\n");
return NULL;
}
if ( (*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset) )
if ((*offset < 0) || ((*offset + sizeof(short_ad)) > maxoffset))
return NULL;
else if ((sa = (short_ad *)ptr)->extLength == 0)
else if ((sa = (short_ad *) ptr)->extLength == 0)
return NULL;
if (inc)
@@ -312,20 +305,18 @@ udf_get_fileshortad(uint8_t *ptr, int maxoffset, int *offset, int inc)
return sa;
}
long_ad *
udf_get_filelongad(uint8_t *ptr, int maxoffset, int * offset, int inc)
long_ad *udf_get_filelongad(uint8_t * ptr, int maxoffset, int *offset, int inc)
{
long_ad *la;
if ( (!ptr) || (!offset) )
{
if ((!ptr) || (!offset)) {
printk(KERN_ERR "udf: udf_get_filelongad() invalidparms\n");
return NULL;
}
if ( (*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset) )
if ((*offset < 0) || ((*offset + sizeof(long_ad)) > maxoffset))
return NULL;
else if ((la = (long_ad *)ptr)->extLength == 0)
else if ((la = (long_ad *) ptr)->extLength == 0)
return NULL;
if (inc)

869
fs/udf/ecma_167.h
View File

File diff suppressed because it is too large Load Diff

114
fs/udf/file.c
View File

@@ -30,7 +30,7 @@
#include <linux/udf_fs.h>
#include <asm/uaccess.h>
#include <linux/kernel.h>
#include <linux/string.h> /* memset */
#include <linux/string.h> /* memset */
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/smp_lock.h>
@@ -41,7 +41,7 @@
#include "udf_i.h"
#include "udf_sb.h"
static int udf_adinicb_readpage(struct file *file, struct page * page)
static int udf_adinicb_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
char *kaddr;
@@ -58,7 +58,8 @@ static int udf_adinicb_readpage(struct file *file, struct page * page)
return 0;
}
static int udf_adinicb_writepage(struct page *page, struct writeback_control *wbc)
static int udf_adinicb_writepage(struct page *page,
struct writeback_control *wbc)
{
struct inode *inode = page->mapping->host;
char *kaddr;
@@ -74,19 +75,21 @@ static int udf_adinicb_writepage(struct page *page, struct writeback_control *wb
return 0;
}
static int udf_adinicb_prepare_write(struct file *file, struct page *page, unsigned offset, unsigned to)
static int udf_adinicb_prepare_write(struct file *file, struct page *page,
unsigned offset, unsigned to)
{
kmap(page);
return 0;
}
static int udf_adinicb_commit_write(struct file *file, struct page *page, unsigned offset, unsigned to)
static int udf_adinicb_commit_write(struct file *file, struct page *page,
unsigned offset, unsigned to)
{
struct inode *inode = page->mapping->host;
char *kaddr = page_address(page);
memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode) + offset,
kaddr + offset, to - offset);
kaddr + offset, to - offset);
mark_inode_dirty(inode);
SetPageUptodate(page);
kunmap(page);
@@ -97,15 +100,15 @@ static int udf_adinicb_commit_write(struct file *file, struct page *page, unsign
}
const struct address_space_operations udf_adinicb_aops = {
.readpage = udf_adinicb_readpage,
.writepage = udf_adinicb_writepage,
.sync_page = block_sync_page,
.prepare_write = udf_adinicb_prepare_write,
.commit_write = udf_adinicb_commit_write,
.readpage = udf_adinicb_readpage,
.writepage = udf_adinicb_writepage,
.sync_page = block_sync_page,
.prepare_write = udf_adinicb_prepare_write,
.commit_write = udf_adinicb_commit_write,
};
static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t ppos)
unsigned long nr_segs, loff_t ppos)
{
ssize_t retval;
struct file *file = iocb->ki_filp;
@@ -113,25 +116,20 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
int err, pos;
size_t count = iocb->ki_left;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
{
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
if (file->f_flags & O_APPEND)
pos = inode->i_size;
else
pos = ppos;
if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) +
pos + count))
{
if (inode->i_sb->s_blocksize <
(udf_file_entry_alloc_offset(inode) + pos + count)) {
udf_expand_file_adinicb(inode, pos + count, &err);
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
{
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) {
udf_debug("udf_expand_adinicb: err=%d\n", err);
return err;
}
}
else
{
} else {
if (pos + count > inode->i_size)
UDF_I_LENALLOC(inode) = pos + count;
else
@@ -181,48 +179,47 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
* Written, tested, and released.
*/
int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
unsigned long arg)
{
int result = -EINVAL;
if ( file_permission(filp, MAY_READ) != 0 )
{
udf_debug("no permission to access inode %lu\n",
inode->i_ino);
if (file_permission(filp, MAY_READ) != 0) {
udf_debug("no permission to access inode %lu\n", inode->i_ino);
return -EPERM;
}
if ( !arg )
{
if (!arg) {
udf_debug("invalid argument to udf_ioctl\n");
return -EINVAL;
}
switch (cmd)
{
case UDF_GETVOLIDENT:
return copy_to_user((char __user *)arg,
UDF_SB_VOLIDENT(inode->i_sb), 32) ? -EFAULT : 0;
case UDF_RELOCATE_BLOCKS:
switch (cmd) {
case UDF_GETVOLIDENT:
return copy_to_user((char __user *)arg,
UDF_SB_VOLIDENT(inode->i_sb),
32) ? -EFAULT : 0;
case UDF_RELOCATE_BLOCKS:
{
long old, new;
if (!capable(CAP_SYS_ADMIN)) return -EACCES;
if (get_user(old, (long __user *)arg)) return -EFAULT;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (get_user(old, (long __user *)arg))
return -EFAULT;
if ((result = udf_relocate_blocks(inode->i_sb,
old, &new)) == 0)
old, &new)) == 0)
result = put_user(new, (long __user *)arg);
return result;
}
case UDF_GETEASIZE:
result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg);
break;
case UDF_GETEASIZE:
result = put_user(UDF_I_LENEATTR(inode), (int __user *)arg);
break;
case UDF_GETEABLOCK:
result = copy_to_user((char __user *)arg, UDF_I_DATA(inode),
UDF_I_LENEATTR(inode)) ? -EFAULT : 0;
break;
case UDF_GETEABLOCK:
result = copy_to_user((char __user *)arg, UDF_I_DATA(inode),
UDF_I_LENEATTR(inode)) ? -EFAULT : 0;
break;
}
return result;
@@ -240,10 +237,9 @@ int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
* HISTORY
*
*/
static int udf_release_file(struct inode * inode, struct file * filp)
static int udf_release_file(struct inode *inode, struct file *filp)
{
if (filp->f_mode & FMODE_WRITE)
{
if (filp->f_mode & FMODE_WRITE) {
lock_kernel();
udf_discard_prealloc(inode);
unlock_kernel();
@@ -252,18 +248,18 @@ static int udf_release_file(struct inode * inode, struct file * filp)
}
const struct file_operations udf_file_operations = {
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.ioctl = udf_ioctl,
.open = generic_file_open,
.mmap = generic_file_mmap,
.write = do_sync_write,
.aio_write = udf_file_aio_write,
.release = udf_release_file,
.fsync = udf_fsync_file,
.splice_read = generic_file_splice_read,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
.ioctl = udf_ioctl,
.open = generic_file_open,
.mmap = generic_file_mmap,
.write = do_sync_write,
.aio_write = udf_file_aio_write,
.release = udf_release_file,
.fsync = udf_fsync_file,
.splice_read = generic_file_splice_read,
};
const struct inode_operations udf_file_inode_operations = {
.truncate = udf_truncate,
.truncate = udf_truncate,
};

4
fs/udf/fsync.c
View File

@@ -29,7 +29,7 @@ static int udf_fsync_inode(struct inode *, int);
* even pass file to fsync ?
*/
int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync)
int udf_fsync_file(struct file *file, struct dentry *dentry, int datasync)
{
struct inode *inode = dentry->d_inode;
return udf_fsync_inode(inode, datasync);
@@ -45,6 +45,6 @@ static int udf_fsync_inode(struct inode *inode, int datasync)
if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
return err;
err |= udf_sync_inode (inode);
err |= udf_sync_inode(inode);
return err ? -EIO : 0;
}

69
fs/udf/ialloc.c
View File

@@ -28,7 +28,7 @@
#include "udf_i.h"
#include "udf_sb.h"
void udf_free_inode(struct inode * inode)
void udf_free_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct udf_sb_info *sbi = UDF_SB(sb);
@@ -46,10 +46,12 @@ void udf_free_inode(struct inode * inode)
if (sbi->s_lvidbh) {
if (S_ISDIR(inode->i_mode))
UDF_SB_LVIDIU(sb)->numDirs =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) - 1);
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)
- 1);
else
UDF_SB_LVIDIU(sb)->numFiles =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) - 1);
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles)
- 1);
mark_buffer_dirty(sbi->s_lvidbh);
}
@@ -58,18 +60,17 @@ void udf_free_inode(struct inode * inode)
udf_free_blocks(sb, NULL, UDF_I_LOCATION(inode), 0, 1);
}
struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
{
struct super_block *sb = dir->i_sb;
struct udf_sb_info *sbi = UDF_SB(sb);
struct inode * inode;
struct inode *inode;
int block;
uint32_t start = UDF_I_LOCATION(dir).logicalBlockNum;
inode = new_inode(sb);
if (!inode)
{
if (!inode) {
*err = -ENOMEM;
return NULL;
}
@@ -81,26 +82,30 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
UDF_I_NEXT_ALLOC_GOAL(inode) = 0;
UDF_I_STRAT4096(inode) = 0;
block = udf_new_block(dir->i_sb, NULL, UDF_I_LOCATION(dir).partitionReferenceNum,
start, err);
if (*err)
{
block =
udf_new_block(dir->i_sb, NULL,
UDF_I_LOCATION(dir).partitionReferenceNum, start,
err);
if (*err) {
iput(inode);
return NULL;
}
mutex_lock(&sbi->s_alloc_mutex);
if (UDF_SB_LVIDBH(sb))
{
if (UDF_SB_LVIDBH(sb)) {
struct logicalVolHeaderDesc *lvhd;
uint64_t uniqueID;
lvhd = (struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->logicalVolContentsUse);
lvhd =
(struct logicalVolHeaderDesc *)(UDF_SB_LVID(sb)->
logicalVolContentsUse);
if (S_ISDIR(mode))
UDF_SB_LVIDIU(sb)->numDirs =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs) + 1);
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numDirs)
+ 1);
else
UDF_SB_LVIDIU(sb)->numFiles =
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles) + 1);
cpu_to_le32(le32_to_cpu(UDF_SB_LVIDIU(sb)->numFiles)
+ 1);
UDF_I_UNIQUE(inode) = uniqueID = le64_to_cpu(lvhd->uniqueID);
if (!(++uniqueID & 0x00000000FFFFFFFFUL))
uniqueID += 16;
@@ -109,35 +114,34 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
}
inode->i_mode = mode;
inode->i_uid = current->fsuid;
if (dir->i_mode & S_ISGID)
{
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
mode |= S_ISGID;
}
else
} else
inode->i_gid = current->fsgid;
UDF_I_LOCATION(inode).logicalBlockNum = block;
UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum;
UDF_I_LOCATION(inode).partitionReferenceNum =
UDF_I_LOCATION(dir).partitionReferenceNum;
inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0);
inode->i_blocks = 0;
UDF_I_LENEATTR(inode) = 0;
UDF_I_LENALLOC(inode) = 0;
UDF_I_USE(inode) = 0;
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE))
{
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
UDF_I_EFE(inode) = 1;
UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE);
UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL);
}
else
{
UDF_I_DATA(inode) =
kzalloc(inode->i_sb->s_blocksize -
sizeof(struct extendedFileEntry), GFP_KERNEL);
} else {
UDF_I_EFE(inode) = 0;
UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL);
UDF_I_DATA(inode) =
kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry),
GFP_KERNEL);
}
if (!UDF_I_DATA(inode))
{
if (!UDF_I_DATA(inode)) {
iput(inode);
*err = -ENOMEM;
mutex_unlock(&sbi->s_alloc_mutex);
@@ -150,13 +154,12 @@ struct inode * udf_new_inode (struct inode *dir, int mode, int * err)
else
UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_LONG;
inode->i_mtime = inode->i_atime = inode->i_ctime =
UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb);
UDF_I_CRTIME(inode) = current_fs_time(inode->i_sb);
insert_inode_hash(inode);
mark_inode_dirty(inode);
mutex_unlock(&sbi->s_alloc_mutex);
if (DQUOT_ALLOC_INODE(inode))
{
if (DQUOT_ALLOC_INODE(inode)) {
DQUOT_DROP(inode);
inode->i_flags |= S_NOQUOTA;
inode->i_nlink = 0;

1488
fs/udf/inode.c
View File

File diff suppressed because it is too large Load Diff

25
fs/udf/lowlevel.c
View File

@@ -26,43 +26,38 @@
#include <linux/udf_fs.h>
#include "udf_sb.h"
unsigned int
udf_get_last_session(struct super_block *sb)
unsigned int udf_get_last_session(struct super_block *sb)
{
struct cdrom_multisession ms_info;
unsigned int vol_desc_start;
struct block_device *bdev = sb->s_bdev;
int i;
vol_desc_start=0;
ms_info.addr_format=CDROM_LBA;
i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info);
vol_desc_start = 0;
ms_info.addr_format = CDROM_LBA;
i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
#define WE_OBEY_THE_WRITTEN_STANDARDS 1
if (i == 0)
{
if (i == 0) {
udf_debug("XA disk: %s, vol_desc_start=%d\n",
(ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
(ms_info.xa_flag ? "yes" : "no"), ms_info.addr.lba);
#if WE_OBEY_THE_WRITTEN_STANDARDS
if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
#endif
vol_desc_start = ms_info.addr.lba;
}
else
{
} else {
udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i);
}
return vol_desc_start;
}
unsigned long
udf_get_last_block(struct super_block *sb)
unsigned long udf_get_last_block(struct super_block *sb)
{
struct block_device *bdev = sb->s_bdev;
unsigned long lblock = 0;
if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock))
if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long)&lblock))
lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits;
if (lblock)

172
fs/udf/misc.c
View File

@@ -29,8 +29,7 @@
#include "udf_i.h"
#include "udf_sb.h"
struct buffer_head *
udf_tgetblk(struct super_block *sb, int block)
struct buffer_head *udf_tgetblk(struct super_block *sb, int block)
{
if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
return sb_getblk(sb, udf_fixed_to_variable(block));
@@ -38,8 +37,7 @@ udf_tgetblk(struct super_block *sb, int block)
return sb_getblk(sb, block);
}
struct buffer_head *
udf_tread(struct super_block *sb, int block)
struct buffer_head *udf_tread(struct super_block *sb, int block)
{
if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
return sb_bread(sb, udf_fixed_to_variable(block));
@@ -47,9 +45,8 @@ udf_tread(struct super_block *sb, int block)
return sb_bread(sb, block);
}
struct genericFormat *
udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
uint8_t loc)
struct genericFormat *udf_add_extendedattr(struct inode *inode, uint32_t size,
uint32_t type, uint8_t loc)
{
uint8_t *ea = NULL, *ad = NULL;
int offset;
@@ -59,78 +56,76 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
ea = UDF_I_DATA(inode);
if (UDF_I_LENEATTR(inode))
ad = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
else
{
else {
ad = ea;
size += sizeof(struct extendedAttrHeaderDesc);
}
offset = inode->i_sb->s_blocksize - udf_file_entry_alloc_offset(inode) -
UDF_I_LENALLOC(inode);
UDF_I_LENALLOC(inode);
/* TODO - Check for FreeEASpace */
if (loc & 0x01 && offset >= size)
{
if (loc & 0x01 && offset >= size) {
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
if (UDF_I_LENALLOC(inode))
{
if (UDF_I_LENALLOC(inode)) {
memmove(&ad[size], ad, UDF_I_LENALLOC(inode));
}
if (UDF_I_LENEATTR(inode))
{
if (UDF_I_LENEATTR(inode)) {
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum)
{
if (le16_to_cpu(eahd->descTag.tagIdent) !=
TAG_IDENT_EAHD
|| le32_to_cpu(eahd->descTag.tagLocation) !=
UDF_I_LOCATION(inode).logicalBlockNum) {
return NULL;
}
}
else
{
} else {
size -= sizeof(struct extendedAttrHeaderDesc);
UDF_I_LENEATTR(inode) += sizeof(struct extendedAttrHeaderDesc);
UDF_I_LENEATTR(inode) +=
sizeof(struct extendedAttrHeaderDesc);
eahd->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EAHD);
if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200)
eahd->descTag.descVersion = cpu_to_le16(3);
else
eahd->descTag.descVersion = cpu_to_le16(2);
eahd->descTag.tagSerialNum = cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
eahd->descTag.tagLocation = cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
eahd->descTag.tagSerialNum =
cpu_to_le16(UDF_SB_SERIALNUM(inode->i_sb));
eahd->descTag.tagLocation =
cpu_to_le32(UDF_I_LOCATION(inode).logicalBlockNum);
eahd->impAttrLocation = cpu_to_le32(0xFFFFFFFF);
eahd->appAttrLocation = cpu_to_le32(0xFFFFFFFF);
}
offset = UDF_I_LENEATTR(inode);
if (type < 2048)
{
if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode))
{
uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size],
&ea[aal], offset - aal);
if (type < 2048) {
if (le32_to_cpu(eahd->appAttrLocation) <
UDF_I_LENEATTR(inode)) {
uint32_t aal =
le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size], &ea[aal],
offset - aal);
offset -= aal;
eahd->appAttrLocation = cpu_to_le32(aal + size);
}
if (le32_to_cpu(eahd->impAttrLocation) < UDF_I_LENEATTR(inode))
{
uint32_t ial = le32_to_cpu(eahd->impAttrLocation);
memmove(&ea[offset - ial + size],
&ea[ial], offset - ial);
if (le32_to_cpu(eahd->impAttrLocation) <
UDF_I_LENEATTR(inode)) {
uint32_t ial =
le32_to_cpu(eahd->impAttrLocation);
memmove(&ea[offset - ial + size], &ea[ial],
offset - ial);
offset -= ial;
eahd->impAttrLocation = cpu_to_le32(ial + size);
}
}
else if (type < 65536)
{
if (le32_to_cpu(eahd->appAttrLocation) < UDF_I_LENEATTR(inode))
{
uint32_t aal = le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size],
&ea[aal], offset - aal);
} else if (type < 65536) {
if (le32_to_cpu(eahd->appAttrLocation) <
UDF_I_LENEATTR(inode)) {
uint32_t aal =
le32_to_cpu(eahd->appAttrLocation);
memmove(&ea[offset - aal + size], &ea[aal],
offset - aal);
offset -= aal;
eahd->appAttrLocation = cpu_to_le32(aal + size);
}
@@ -138,22 +133,23 @@ udf_add_extendedattr(struct inode * inode, uint32_t size, uint32_t type,
/* rewrite CRC + checksum of eahd */
crclen = sizeof(struct extendedAttrHeaderDesc) - sizeof(tag);
eahd->descTag.descCRCLength = cpu_to_le16(crclen);
eahd->descTag.descCRC = cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0));
eahd->descTag.descCRC =
cpu_to_le16(udf_crc((char *)eahd + sizeof(tag), crclen, 0));
eahd->descTag.tagChecksum = 0;
for (i=0; i<16; i++)
for (i = 0; i < 16; i++)
if (i != 4)
eahd->descTag.tagChecksum += ((uint8_t *)&(eahd->descTag))[i];
eahd->descTag.tagChecksum +=
((uint8_t *) & (eahd->descTag))[i];
UDF_I_LENEATTR(inode) += size;
return (struct genericFormat *)&ea[offset];
}
if (loc & 0x02)
{
if (loc & 0x02) {
}
return NULL;
}
struct genericFormat *
udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
struct genericFormat *udf_get_extendedattr(struct inode *inode, uint32_t type,
uint8_t subtype)
{
struct genericFormat *gaf;
uint8_t *ea = NULL;
@@ -161,18 +157,17 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
ea = UDF_I_DATA(inode);
if (UDF_I_LENEATTR(inode))
{
if (UDF_I_LENEATTR(inode)) {
struct extendedAttrHeaderDesc *eahd;
eahd = (struct extendedAttrHeaderDesc *)ea;
/* check checksum/crc */
if (le16_to_cpu(eahd->descTag.tagIdent) != TAG_IDENT_EAHD ||
le32_to_cpu(eahd->descTag.tagLocation) != UDF_I_LOCATION(inode).logicalBlockNum)
{
le32_to_cpu(eahd->descTag.tagLocation) !=
UDF_I_LOCATION(inode).logicalBlockNum) {
return NULL;
}
if (type < 2048)
offset = sizeof(struct extendedAttrHeaderDesc);
else if (type < 65536)
@@ -180,10 +175,10 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
else
offset = le32_to_cpu(eahd->appAttrLocation);
while (offset < UDF_I_LENEATTR(inode))
{
while (offset < UDF_I_LENEATTR(inode)) {
gaf = (struct genericFormat *)&ea[offset];
if (le32_to_cpu(gaf->attrType) == type && gaf->attrSubtype == subtype)
if (le32_to_cpu(gaf->attrType) == type
&& gaf->attrSubtype == subtype)
return gaf;
else
offset += le32_to_cpu(gaf->attrLength);
@@ -202,8 +197,8 @@ udf_get_extendedattr(struct inode *inode, uint32_t type, uint8_t subtype)
* July 1, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
struct buffer_head *
udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint16_t *ident)
struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
uint32_t location, uint16_t * ident)
{
tag *tag_p;
struct buffer_head *bh = NULL;
@@ -215,29 +210,29 @@ udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint1
return NULL;
bh = udf_tread(sb, block + UDF_SB_SESSION(sb));
if (!bh)
{
udf_debug("block=%d, location=%d: read failed\n", block + UDF_SB_SESSION(sb), location);
if (!bh) {
udf_debug("block=%d, location=%d: read failed\n",
block + UDF_SB_SESSION(sb), location);
return NULL;
}
tag_p = (tag *)(bh->b_data);
tag_p = (tag *) (bh->b_data);
*ident = le16_to_cpu(tag_p->tagIdent);
if ( location != le32_to_cpu(tag_p->tagLocation) )
{
if (location != le32_to_cpu(tag_p->tagLocation)) {
udf_debug("location mismatch block %u, tag %u != %u\n",
block + UDF_SB_SESSION(sb), le32_to_cpu(tag_p->tagLocation), location);
block + UDF_SB_SESSION(sb),
le32_to_cpu(tag_p->tagLocation), location);
goto error_out;
}
/* Verify the tag checksum */
checksum = 0U;
for (i = 0; i < 4; i++)
checksum += (uint8_t)(bh->b_data[i]);
checksum += (uint8_t) (bh->b_data[i]);
for (i = 5; i < 16; i++)
checksum += (uint8_t)(bh->b_data[i]);
checksum += (uint8_t) (bh->b_data[i]);
if (checksum != tag_p->tagChecksum) {
printk(KERN_ERR "udf: tag checksum failed block %d\n", block);
goto error_out;
@@ -245,38 +240,39 @@ udf_read_tagged(struct super_block *sb, uint32_t block, uint32_t location, uint1
/* Verify the tag version */
if (le16_to_cpu(tag_p->descVersion) != 0x0002U &&
le16_to_cpu(tag_p->descVersion) != 0x0003U)
{
le16_to_cpu(tag_p->descVersion) != 0x0003U) {
udf_debug("tag version 0x%04x != 0x0002 || 0x0003 block %d\n",
le16_to_cpu(tag_p->descVersion), block);
le16_to_cpu(tag_p->descVersion), block);
goto error_out;
}
/* Verify the descriptor CRC */
if (le16_to_cpu(tag_p->descCRCLength) + sizeof(tag) > sb->s_blocksize ||
le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
le16_to_cpu(tag_p->descCRCLength), 0))
{
le16_to_cpu(tag_p->descCRC) == udf_crc(bh->b_data + sizeof(tag),
le16_to_cpu(tag_p->
descCRCLength),
0)) {
return bh;
}
udf_debug("Crc failure block %d: crc = %d, crclen = %d\n",
block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC), le16_to_cpu(tag_p->descCRCLength));
block + UDF_SB_SESSION(sb), le16_to_cpu(tag_p->descCRC),
le16_to_cpu(tag_p->descCRCLength));
error_out:
error_out:
brelse(bh);
return NULL;
}
struct buffer_head *
udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc, uint32_t offset, uint16_t *ident)
struct buffer_head *udf_read_ptagged(struct super_block *sb, kernel_lb_addr loc,
uint32_t offset, uint16_t * ident)
{
return udf_read_tagged(sb, udf_get_lb_pblock(sb, loc, offset),
loc.logicalBlockNum + offset, ident);
loc.logicalBlockNum + offset, ident);
}
void udf_update_tag(char *data, int length)
{
tag *tptr = (tag *)data;
tag *tptr = (tag *) data;
int i;
length -= sizeof(tag);
@@ -285,15 +281,15 @@ void udf_update_tag(char *data, int length)
tptr->descCRCLength = cpu_to_le16(length);
tptr->descCRC = cpu_to_le16(udf_crc(data + sizeof(tag), length, 0));
for (i=0; i<16; i++)
for (i = 0; i < 16; i++)
if (i != 4)
tptr->tagChecksum += (uint8_t)(data[i]);
tptr->tagChecksum += (uint8_t) (data[i]);
}
void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum,
uint32_t loc, int length)
uint32_t loc, int length)
{
tag *tptr = (tag *)data;
tag *tptr = (tag *) data;
tptr->tagIdent = cpu_to_le16(ident);
tptr->descVersion = cpu_to_le16(version);
tptr->tagSerialNum = cpu_to_le16(snum);

720
fs/udf/namei.c
View File

File diff suppressed because it is too large Load Diff

239
fs/udf/osta_udf.h
View File

@@ -65,153 +65,140 @@
#define IS_DF_HARD_WRITE_PROTECT 0x01
#define IS_DF_SOFT_WRITE_PROTECT 0x02
struct UDFIdentSuffix
{
__le16 UDFRevision;
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[4];
struct UDFIdentSuffix {
__le16 UDFRevision;
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[4];
} __attribute__ ((packed));
struct impIdentSuffix
{
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[6];
struct impIdentSuffix {
uint8_t OSClass;
uint8_t OSIdentifier;
uint8_t reserved[6];
} __attribute__ ((packed));
struct appIdentSuffix
{
uint8_t impUse[8];
struct appIdentSuffix {
uint8_t impUse[8];
} __attribute__ ((packed));
/* Logical Volume Integrity Descriptor (UDF 2.50 2.2.6) */
/* Implementation Use (UDF 2.50 2.2.6.4) */
struct logicalVolIntegrityDescImpUse
{
regid impIdent;
__le32 numFiles;
__le32 numDirs;
__le16 minUDFReadRev;
__le16 minUDFWriteRev;
__le16 maxUDFWriteRev;
uint8_t impUse[0];
struct logicalVolIntegrityDescImpUse {
regid impIdent;
__le32 numFiles;
__le32 numDirs;
__le16 minUDFReadRev;
__le16 minUDFWriteRev;
__le16 maxUDFWriteRev;
uint8_t impUse[0];
} __attribute__ ((packed));
/* Implementation Use Volume Descriptor (UDF 2.50 2.2.7) */
/* Implementation Use (UDF 2.50 2.2.7.2) */
struct impUseVolDescImpUse
{
charspec LVICharset;
dstring logicalVolIdent[128];
dstring LVInfo1[36];
dstring LVInfo2[36];
dstring LVInfo3[36];
regid impIdent;
uint8_t impUse[128];
struct impUseVolDescImpUse {
charspec LVICharset;
dstring logicalVolIdent[128];
dstring LVInfo1[36];
dstring LVInfo2[36];
dstring LVInfo3[36];
regid impIdent;
uint8_t impUse[128];
} __attribute__ ((packed));
struct udfPartitionMap2
{
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
struct udfPartitionMap2 {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
} __attribute__ ((packed));
/* Virtual Partition Map (UDF 2.50 2.2.8) */
struct virtualPartitionMap
{
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
uint8_t reserved2[24];
struct virtualPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
uint8_t reserved2[24];
} __attribute__ ((packed));
/* Sparable Partition Map (UDF 2.50 2.2.9) */
struct sparablePartitionMap
{
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
__le16 packetLength;
uint8_t numSparingTables;
uint8_t reserved2[1];
__le32 sizeSparingTable;
__le32 locSparingTable[4];
struct sparablePartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
__le16 packetLength;
uint8_t numSparingTables;
uint8_t reserved2[1];
__le32 sizeSparingTable;
__le32 locSparingTable[4];
} __attribute__ ((packed));
/* Metadata Partition Map (UDF 2.4.0 2.2.10) */
struct metadataPartitionMap
{
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
__le32 metadataFileLoc;
__le32 metadataMirrorFileLoc;
__le32 metadataBitmapFileLoc;
__le32 allocUnitSize;
__le16 alignUnitSize;
uint8_t flags;
uint8_t reserved2[5];
struct metadataPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
uint8_t reserved1[2];
regid partIdent;
__le16 volSeqNum;
__le16 partitionNum;
__le32 metadataFileLoc;
__le32 metadataMirrorFileLoc;
__le32 metadataBitmapFileLoc;
__le32 allocUnitSize;
__le16 alignUnitSize;
uint8_t flags;
uint8_t reserved2[5];
} __attribute__ ((packed));
/* Virtual Allocation Table (UDF 1.5 2.2.10) */
struct virtualAllocationTable15
{
__le32 VirtualSector[0];
regid vatIdent;
__le32 previousVATICBLoc;
} __attribute__ ((packed));
struct virtualAllocationTable15 {
__le32 VirtualSector[0];
regid vatIdent;
__le32 previousVATICBLoc;
} __attribute__ ((packed));
#define ICBTAG_FILE_TYPE_VAT15 0x00U
/* Virtual Allocation Table (UDF 2.50 2.2.11) */
struct virtualAllocationTable20
{
__le16 lengthHeader;
__le16 lengthImpUse;
dstring logicalVolIdent[128];
__le32 previousVATICBLoc;
__le32 numFiles;
__le32 numDirs;
__le16 minReadRevision;
__le16 minWriteRevision;
__le16 maxWriteRevision;
__le16 reserved;
uint8_t impUse[0];
__le32 vatEntry[0];
struct virtualAllocationTable20 {
__le16 lengthHeader;
__le16 lengthImpUse;
dstring logicalVolIdent[128];
__le32 previousVATICBLoc;
__le32 numFiles;
__le32 numDirs;
__le16 minReadRevision;
__le16 minWriteRevision;
__le16 maxWriteRevision;
__le16 reserved;
uint8_t impUse[0];
__le32 vatEntry[0];
} __attribute__ ((packed));
#define ICBTAG_FILE_TYPE_VAT20 0xF8U
/* Sparing Table (UDF 2.50 2.2.12) */
struct sparingEntry
{
__le32 origLocation;
__le32 mappedLocation;
struct sparingEntry {
__le32 origLocation;
__le32 mappedLocation;
} __attribute__ ((packed));
struct sparingTable
{
tag descTag;
regid sparingIdent;
__le16 reallocationTableLen;
__le16 reserved;
__le32 sequenceNum;
struct sparingTable {
tag descTag;
regid sparingIdent;
__le16 reallocationTableLen;
__le16 reserved;
__le32 sequenceNum;
struct sparingEntry
mapEntry[0];
mapEntry[0];
} __attribute__ ((packed));
/* Metadata File (and Metadata Mirror File) (UDF 2.50 2.2.13.1) */
@@ -220,10 +207,9 @@ struct sparingTable
#define ICBTAG_FILE_TYPE_BITMAP 0xFC
/* struct long_ad ICB - ADImpUse (UDF 2.50 2.2.4.3) */
struct allocDescImpUse
{
__le16 flags;
uint8_t impUse[4];
struct allocDescImpUse {
__le16 flags;
uint8_t impUse[4];
} __attribute__ ((packed));
#define AD_IU_EXT_ERASED 0x0001
@@ -233,27 +219,24 @@ struct allocDescImpUse
/* Implementation Use Extended Attribute (UDF 2.50 3.3.4.5) */
/* FreeEASpace (UDF 2.50 3.3.4.5.1.1) */
struct freeEaSpace
{
__le16 headerChecksum;
uint8_t freeEASpace[0];
struct freeEaSpace {
__le16 headerChecksum;
uint8_t freeEASpace[0];
} __attribute__ ((packed));
/* DVD Copyright Management Information (UDF 2.50 3.3.4.5.1.2) */
struct DVDCopyrightImpUse
{
__le16 headerChecksum;
uint8_t CGMSInfo;
uint8_t dataType;
uint8_t protectionSystemInfo[4];
struct DVDCopyrightImpUse {
__le16 headerChecksum;
uint8_t CGMSInfo;
uint8_t dataType;
uint8_t protectionSystemInfo[4];
} __attribute__ ((packed));
/* Application Use Extended Attribute (UDF 2.50 3.3.4.6) */
/* FreeAppEASpace (UDF 2.50 3.3.4.6.1) */
struct freeAppEASpace
{
__le16 headerChecksum;
uint8_t freeEASpace[0];
struct freeAppEASpace {
__le16 headerChecksum;
uint8_t freeEASpace[0];
} __attribute__ ((packed));
/* UDF Defined System Stream (UDF 2.50 3.3.7) */
@@ -293,4 +276,4 @@ struct freeAppEASpace
#define UDF_OS_ID_BEOS 0x00U
#define UDF_OS_ID_WINCE 0x00U
#endif /* _OSTA_UDF_H */
#endif /* _OSTA_UDF_H */

271
fs/udf/partition.c
View File

@@ -28,106 +28,120 @@
#include <linux/slab.h>
#include <linux/buffer_head.h>
inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
uint16_t partition, uint32_t offset)
{
if (partition >= UDF_SB_NUMPARTS(sb))
{
udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n",
block, partition, offset);
if (partition >= UDF_SB_NUMPARTS(sb)) {
udf_debug
("block=%d, partition=%d, offset=%d: invalid partition\n",
block, partition, offset);
return 0xFFFFFFFF;
}
if (UDF_SB_PARTFUNC(sb, partition))
return UDF_SB_PARTFUNC(sb, partition)(sb, block, partition, offset);
return UDF_SB_PARTFUNC(sb, partition) (sb, block, partition,
offset);
else
return UDF_SB_PARTROOT(sb, partition) + block + offset;
}
uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
uint32_t udf_get_pblock_virt15(struct super_block * sb, uint32_t block,
uint16_t partition, uint32_t offset)
{
struct buffer_head *bh = NULL;
uint32_t newblock;
uint32_t index;
uint32_t loc;
index = (sb->s_blocksize - UDF_SB_TYPEVIRT(sb,partition).s_start_offset) / sizeof(uint32_t);
index =
(sb->s_blocksize -
UDF_SB_TYPEVIRT(sb, partition).s_start_offset) / sizeof(uint32_t);
if (block > UDF_SB_TYPEVIRT(sb,partition).s_num_entries)
{
udf_debug("Trying to access block beyond end of VAT (%d max %d)\n",
block, UDF_SB_TYPEVIRT(sb,partition).s_num_entries);
if (block > UDF_SB_TYPEVIRT(sb, partition).s_num_entries) {
udf_debug
("Trying to access block beyond end of VAT (%d max %d)\n",
block, UDF_SB_TYPEVIRT(sb, partition).s_num_entries);
return 0xFFFFFFFF;
}
if (block >= index)
{
if (block >= index) {
block -= index;
newblock = 1 + (block / (sb->s_blocksize / sizeof(uint32_t)));
index = block % (sb->s_blocksize / sizeof(uint32_t));
}
else
{
} else {
newblock = 0;
index = UDF_SB_TYPEVIRT(sb,partition).s_start_offset / sizeof(uint32_t) + block;
index =
UDF_SB_TYPEVIRT(sb,
partition).s_start_offset /
sizeof(uint32_t) + block;
}
loc = udf_block_map(UDF_SB_VAT(sb), newblock);
if (!(bh = sb_bread(sb, loc)))
{
if (!(bh = sb_bread(sb, loc))) {
udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n",
sb, block, partition, loc, index);
sb, block, partition, loc, index);
return 0xFFFFFFFF;
}
loc = le32_to_cpu(((__le32 *)bh->b_data)[index]);
loc = le32_to_cpu(((__le32 *) bh->b_data)[index]);
brelse(bh);
if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition)
{
if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) {
udf_debug("recursive call to udf_get_pblock!\n");
return 0xFFFFFFFF;
}
return udf_get_pblock(sb, loc, UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum, offset);
return udf_get_pblock(sb, loc,
UDF_I_LOCATION(UDF_SB_VAT(sb)).
partitionReferenceNum, offset);
}
inline uint32_t udf_get_pblock_virt20(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
inline uint32_t udf_get_pblock_virt20(struct super_block * sb, uint32_t block,
uint16_t partition, uint32_t offset)
{
return udf_get_pblock_virt15(sb, block, partition, offset);
}
uint32_t udf_get_pblock_spar15(struct super_block *sb, uint32_t block, uint16_t partition, uint32_t offset)
uint32_t udf_get_pblock_spar15(struct super_block * sb, uint32_t block,
uint16_t partition, uint32_t offset)
{
int i;
struct sparingTable *st = NULL;
uint32_t packet = (block + offset) & ~(UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1);
uint32_t packet =
(block + offset) & ~(UDF_SB_TYPESPAR(sb, partition).s_packet_len -
1);
for (i=0; i<4; i++)
{
if (UDF_SB_TYPESPAR(sb,partition).s_spar_map[i] != NULL)
{
st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,partition).s_spar_map[i]->b_data;
for (i = 0; i < 4; i++) {
if (UDF_SB_TYPESPAR(sb, partition).s_spar_map[i] != NULL) {
st = (struct sparingTable *)UDF_SB_TYPESPAR(sb,
partition).
s_spar_map[i]->b_data;
break;
}
}
if (st)
{
for (i=0; i<le16_to_cpu(st->reallocationTableLen); i++)
{
if (le32_to_cpu(st->mapEntry[i].origLocation) >= 0xFFFFFFF0)
if (st) {
for (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {
if (le32_to_cpu(st->mapEntry[i].origLocation) >=
0xFFFFFFF0)
break;
else if (le32_to_cpu(st->mapEntry[i].origLocation) == packet)
{
return le32_to_cpu(st->mapEntry[i].mappedLocation) +
((block + offset) & (UDF_SB_TYPESPAR(sb,partition).s_packet_len - 1));
}
else if (le32_to_cpu(st->mapEntry[i].origLocation) > packet)
else if (le32_to_cpu(st->mapEntry[i].origLocation) ==
packet) {
return le32_to_cpu(st->mapEntry[i].
mappedLocation) + ((block +
offset) &
(UDF_SB_TYPESPAR
(sb,
partition).
s_packet_len
- 1));
} else if (le32_to_cpu(st->mapEntry[i].origLocation) >
packet)
break;
}
}
return UDF_SB_PARTROOT(sb,partition) + block + offset;
return UDF_SB_PARTROOT(sb, partition) + block + offset;
}
int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
@@ -138,19 +152,21 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
uint32_t packet;
int i, j, k, l;
for (i=0; i<UDF_SB_NUMPARTS(sb); i++)
{
if (old_block > UDF_SB_PARTROOT(sb,i) &&
old_block < UDF_SB_PARTROOT(sb,i) + UDF_SB_PARTLEN(sb,i))
for (i = 0; i < UDF_SB_NUMPARTS(sb); i++) {
if (old_block > UDF_SB_PARTROOT(sb, i) &&
old_block < UDF_SB_PARTROOT(sb, i) + UDF_SB_PARTLEN(sb, i))
{
sdata = &UDF_SB_TYPESPAR(sb,i);
packet = (old_block - UDF_SB_PARTROOT(sb,i)) & ~(sdata->s_packet_len - 1);
sdata = &UDF_SB_TYPESPAR(sb, i);
packet =
(old_block -
UDF_SB_PARTROOT(sb,
i)) & ~(sdata->s_packet_len - 1);
for (j=0; j<4; j++)
{
if (UDF_SB_TYPESPAR(sb,i).s_spar_map[j] != NULL)
{
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
for (j = 0; j < 4; j++) {
if (UDF_SB_TYPESPAR(sb, i).s_spar_map[j] !=
NULL) {
st = (struct sparingTable *)sdata->
s_spar_map[j]->b_data;
break;
}
}
@@ -158,60 +174,123 @@ int udf_relocate_blocks(struct super_block *sb, long old_block, long *new_block)
if (!st)
return 1;
for (k=0; k<le16_to_cpu(st->reallocationTableLen); k++)
{
if (le32_to_cpu(st->mapEntry[k].origLocation) == 0xFFFFFFFF)
{
for (; j<4; j++)
{
if (sdata->s_spar_map[j])
{
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
st->mapEntry[k].origLocation = cpu_to_le32(packet);
udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
mark_buffer_dirty(sdata->s_spar_map[j]);
for (k = 0; k < le16_to_cpu(st->reallocationTableLen);
k++) {
if (le32_to_cpu(st->mapEntry[k].origLocation) ==
0xFFFFFFFF) {
for (; j < 4; j++) {
if (sdata->s_spar_map[j]) {
st = (struct
sparingTable *)
sdata->
s_spar_map[j]->
b_data;
st->mapEntry[k].
origLocation =
cpu_to_le32(packet);
udf_update_tag((char *)
st,
sizeof
(struct
sparingTable)
+
le16_to_cpu
(st->
reallocationTableLen)
*
sizeof
(struct
sparingEntry));
mark_buffer_dirty
(sdata->
s_spar_map[j]);
}
}
*new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
*new_block =
le32_to_cpu(st->mapEntry[k].
mappedLocation) +
((old_block -
UDF_SB_PARTROOT(sb,
i)) & (sdata->
s_packet_len
- 1));
return 0;
}
else if (le32_to_cpu(st->mapEntry[k].origLocation) == packet)
{
*new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
} else
if (le32_to_cpu
(st->mapEntry[k].origLocation) ==
packet) {
*new_block =
le32_to_cpu(st->mapEntry[k].
mappedLocation) +
((old_block -
UDF_SB_PARTROOT(sb,
i)) & (sdata->
s_packet_len
- 1));
return 0;
}
else if (le32_to_cpu(st->mapEntry[k].origLocation) > packet)
} else
if (le32_to_cpu
(st->mapEntry[k].origLocation) > packet)
break;
}
for (l=k; l<le16_to_cpu(st->reallocationTableLen); l++)
{
if (le32_to_cpu(st->mapEntry[l].origLocation) == 0xFFFFFFFF)
{
for (; j<4; j++)
{
if (sdata->s_spar_map[j])
{
st = (struct sparingTable *)sdata->s_spar_map[j]->b_data;
mapEntry = st->mapEntry[l];
mapEntry.origLocation = cpu_to_le32(packet);
memmove(&st->mapEntry[k+1], &st->mapEntry[k], (l-k)*sizeof(struct sparingEntry));
st->mapEntry[k] = mapEntry;
udf_update_tag((char *)st, sizeof(struct sparingTable) + le16_to_cpu(st->reallocationTableLen) * sizeof(struct sparingEntry));
mark_buffer_dirty(sdata->s_spar_map[j]);
for (l = k; l < le16_to_cpu(st->reallocationTableLen);
l++) {
if (le32_to_cpu(st->mapEntry[l].origLocation) ==
0xFFFFFFFF) {
for (; j < 4; j++) {
if (sdata->s_spar_map[j]) {
st = (struct
sparingTable *)
sdata->
s_spar_map[j]->
b_data;
mapEntry =
st->mapEntry[l];
mapEntry.origLocation =
cpu_to_le32(packet);
memmove(&st->
mapEntry[k + 1],
&st->
mapEntry[k],
(l -
k) *
sizeof(struct
sparingEntry));
st->mapEntry[k] =
mapEntry;
udf_update_tag((char *)
st,
sizeof
(struct
sparingTable)
+
le16_to_cpu
(st->
reallocationTableLen)
*
sizeof
(struct
sparingEntry));
mark_buffer_dirty
(sdata->
s_spar_map[j]);
}
}
*new_block = le32_to_cpu(st->mapEntry[k].mappedLocation) +
((old_block - UDF_SB_PARTROOT(sb,i)) & (sdata->s_packet_len - 1));
*new_block =
le32_to_cpu(st->mapEntry[k].
mappedLocation) +
((old_block -
UDF_SB_PARTROOT(sb,
i)) & (sdata->
s_packet_len
- 1));
return 0;
}
}
return 1;
}
}
if (i == UDF_SB_NUMPARTS(sb))
{
if (i == UDF_SB_NUMPARTS(sb)) {
/* outside of partitions */
/* for now, fail =) */
return 1;

1615
fs/udf/super.c
View File

File diff suppressed because it is too large Load Diff

56
fs/udf/symlink.c
View File

@@ -33,41 +33,40 @@
#include <linux/buffer_head.h>
#include "udf_i.h"
static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen, char *to)
static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen,
char *to)
{
struct pathComponent *pc;
int elen = 0;
char *p = to;
while (elen < fromlen)
{
while (elen < fromlen) {
pc = (struct pathComponent *)(from + elen);
switch (pc->componentType)
{
case 1:
if (pc->lengthComponentIdent == 0)
{
p = to;
*p++ = '/';
}
break;
case 3:
memcpy(p, "../", 3);
p += 3;
break;
case 4:
memcpy(p, "./", 2);
p += 2;
/* that would be . - just ignore */
break;
case 5:
p += udf_get_filename(sb, pc->componentIdent, p, pc->lengthComponentIdent);
switch (pc->componentType) {
case 1:
if (pc->lengthComponentIdent == 0) {
p = to;
*p++ = '/';
break;
}
break;
case 3:
memcpy(p, "../", 3);
p += 3;
break;
case 4:
memcpy(p, "./", 2);
p += 2;
/* that would be . - just ignore */
break;
case 5:
p += udf_get_filename(sb, pc->componentIdent, p,
pc->lengthComponentIdent);
*p++ = '/';
break;
}
elen += sizeof(struct pathComponent) + pc->lengthComponentIdent;
}
if (p > to+1)
if (p > to + 1)
p[-1] = '\0';
else
p[0] = '\0';
@@ -84,8 +83,7 @@ static int udf_symlink_filler(struct file *file, struct page *page)
lock_kernel();
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
symlink = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode);
else
{
else {
bh = sb_bread(inode->i_sb, udf_block_map(inode, 0));
if (!bh)
@@ -102,7 +100,7 @@ static int udf_symlink_filler(struct file *file, struct page *page)
kunmap(page);
unlock_page(page);
return 0;
out:
out:
unlock_kernel();
SetPageError(page);
kunmap(page);
@@ -114,5 +112,5 @@ out:
* symlinks can't do much...
*/
const struct address_space_operations udf_symlink_aops = {
.readpage = udf_symlink_filler,
.readpage = udf_symlink_filler,
};

209
fs/udf/truncate.c
View File

@@ -28,35 +28,38 @@
#include "udf_i.h"
#include "udf_sb.h"
static void extent_trunc(struct inode * inode, struct extent_position *epos,
kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen)
static void extent_trunc(struct inode *inode, struct extent_position *epos,
kernel_lb_addr eloc, int8_t etype, uint32_t elen,
uint32_t nelen)
{
kernel_lb_addr neloc = { 0, 0 };
int last_block = (elen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
int first_block = (nelen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits;
int last_block =
(elen + inode->i_sb->s_blocksize -
1) >> inode->i_sb->s_blocksize_bits;
int first_block =
(nelen + inode->i_sb->s_blocksize -
1) >> inode->i_sb->s_blocksize_bits;
if (nelen)
{
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30))
{
udf_free_blocks(inode->i_sb, inode, eloc, 0, last_block);
if (nelen) {
if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) {
udf_free_blocks(inode->i_sb, inode, eloc, 0,
last_block);
etype = (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30);
}
else
} else
neloc = eloc;
nelen = (etype << 30) | nelen;
}
if (elen != nelen)
{
if (elen != nelen) {
udf_write_aext(inode, epos, neloc, nelen, 0);
if (last_block - first_block > 0)
{
if (last_block - first_block > 0) {
if (etype == (EXT_RECORDED_ALLOCATED >> 30))
mark_inode_dirty(inode);
if (etype != (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30))
udf_free_blocks(inode->i_sb, inode, eloc, first_block, last_block - first_block);
udf_free_blocks(inode->i_sb, inode, eloc,
first_block,
last_block - first_block);
}
}
}
@@ -67,7 +70,7 @@ static void extent_trunc(struct inode * inode, struct extent_position *epos,
*/
void udf_truncate_tail_extent(struct inode *inode)
{
struct extent_position epos = { NULL, 0, {0, 0}};
struct extent_position epos = { NULL, 0, {0, 0} };
kernel_lb_addr eloc;
uint32_t elen, nelen;
uint64_t lbcount = 0;
@@ -89,8 +92,7 @@ void udf_truncate_tail_extent(struct inode *inode)
BUG();
/* Find the last extent in the file */
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1)
{
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
etype = netype;
lbcount += elen;
if (lbcount > inode->i_size) {
@@ -123,7 +125,7 @@ void udf_truncate_tail_extent(struct inode *inode)
void udf_discard_prealloc(struct inode *inode)
{
struct extent_position epos = { NULL, 0, {0, 0}};
struct extent_position epos = { NULL, 0, {0, 0} };
kernel_lb_addr eloc;
uint32_t elen;
uint64_t lbcount = 0;
@@ -131,7 +133,7 @@ void udf_discard_prealloc(struct inode *inode)
int adsize;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB ||
inode->i_size == UDF_I_LENEXTENTS(inode))
inode->i_size == UDF_I_LENEXTENTS(inode))
return;
if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT)
@@ -153,15 +155,21 @@ void udf_discard_prealloc(struct inode *inode)
lbcount -= elen;
extent_trunc(inode, &epos, eloc, etype, elen, 0);
if (!epos.bh) {
UDF_I_LENALLOC(inode) = epos.offset - udf_file_entry_alloc_offset(inode);
UDF_I_LENALLOC(inode) =
epos.offset - udf_file_entry_alloc_offset(inode);
mark_inode_dirty(inode);
} else {
struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
aed->lengthAllocDescs = cpu_to_le32(epos.offset - sizeof(struct allocExtDesc));
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
struct allocExtDesc *aed =
(struct allocExtDesc *)(epos.bh->b_data);
aed->lengthAllocDescs =
cpu_to_le32(epos.offset -
sizeof(struct allocExtDesc));
if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)
|| UDF_SB_UDFREV(inode->i_sb) >= 0x0201)
udf_update_tag(epos.bh->b_data, epos.offset);
else
udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
udf_update_tag(epos.bh->b_data,
sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
}
}
@@ -171,7 +179,7 @@ void udf_discard_prealloc(struct inode *inode)
brelse(epos.bh);
}
void udf_truncate_extents(struct inode * inode)
void udf_truncate_extents(struct inode *inode)
{
struct extent_position epos;
kernel_lb_addr eloc, neloc = { 0, 0 };
@@ -190,9 +198,10 @@ void udf_truncate_extents(struct inode * inode)
BUG();
etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);
byte_offset = (offset << sb->s_blocksize_bits) + (inode->i_size & (sb->s_blocksize-1));
if (etype != -1)
{
byte_offset =
(offset << sb->s_blocksize_bits) +
(inode->i_size & (sb->s_blocksize - 1));
if (etype != -1) {
epos.offset -= adsize;
extent_trunc(inode, &epos, eloc, etype, elen, byte_offset);
epos.offset += adsize;
@@ -206,86 +215,98 @@ void udf_truncate_extents(struct inode * inode)
else
lenalloc -= sizeof(struct allocExtDesc);
while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1)
{
if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30))
{
while ((etype =
udf_current_aext(inode, &epos, &eloc, &elen,
0)) != -1) {
if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
udf_write_aext(inode, &epos, neloc, nelen, 0);
if (indirect_ext_len)
{
if (indirect_ext_len) {
/* We managed to free all extents in the
* indirect extent - free it too */
if (!epos.bh)
BUG();
udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len);
}
else
{
if (!epos.bh)
{
UDF_I_LENALLOC(inode) = lenalloc;
udf_free_blocks(sb, inode, epos.block,
0, indirect_ext_len);
} else {
if (!epos.bh) {
UDF_I_LENALLOC(inode) =
lenalloc;
mark_inode_dirty(inode);
}
else
{
struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
aed->lengthAllocDescs = cpu_to_le32(lenalloc);
if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201)
udf_update_tag(epos.bh->b_data, lenalloc +
sizeof(struct allocExtDesc));
} else {
struct allocExtDesc *aed =
(struct allocExtDesc
*)(epos.bh->b_data);
aed->lengthAllocDescs =
cpu_to_le32(lenalloc);
if (!UDF_QUERY_FLAG
(sb, UDF_FLAG_STRICT)
|| UDF_SB_UDFREV(sb) >=
0x0201)
udf_update_tag(epos.bh->
b_data,
lenalloc
+
sizeof
(struct
allocExtDesc));
else
udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
udf_update_tag(epos.bh->
b_data,
sizeof
(struct
allocExtDesc));
mark_buffer_dirty_inode(epos.bh,
inode);
}
}
brelse(epos.bh);
epos.offset = sizeof(struct allocExtDesc);
epos.block = eloc;
epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0));
epos.bh =
udf_tread(sb,
udf_get_lb_pblock(sb, eloc, 0));
if (elen)
indirect_ext_len = (elen +
sb->s_blocksize - 1) >>
sb->s_blocksize_bits;
sb->s_blocksize -
1) >> sb->
s_blocksize_bits;
else
indirect_ext_len = 1;
}
else
{
extent_trunc(inode, &epos, eloc, etype, elen, 0);
} else {
extent_trunc(inode, &epos, eloc, etype, elen,
0);
epos.offset += adsize;
}
}
if (indirect_ext_len)
{
if (indirect_ext_len) {
if (!epos.bh)
BUG();
udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len);
}
else
{
if (!epos.bh)
{
udf_free_blocks(sb, inode, epos.block, 0,
indirect_ext_len);
} else {
if (!epos.bh) {
UDF_I_LENALLOC(inode) = lenalloc;
mark_inode_dirty(inode);
}
else
{
struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data);
} else {
struct allocExtDesc *aed =
(struct allocExtDesc *)(epos.bh->b_data);
aed->lengthAllocDescs = cpu_to_le32(lenalloc);
if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201)
udf_update_tag(epos.bh->b_data, lenalloc +
sizeof(struct allocExtDesc));
if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT)
|| UDF_SB_UDFREV(sb) >= 0x0201)
udf_update_tag(epos.bh->b_data,
lenalloc +
sizeof(struct
allocExtDesc));
else
udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc));
udf_update_tag(epos.bh->b_data,
sizeof(struct
allocExtDesc));
mark_buffer_dirty_inode(epos.bh, inode);
}
}
}
else if (inode->i_size)
{
if (byte_offset)
{
} else if (inode->i_size) {
if (byte_offset) {
kernel_long_ad extent;
/*
@@ -293,21 +314,33 @@ void udf_truncate_extents(struct inode * inode)
* no extent above inode->i_size => truncate is
* extending the file by 'offset' blocks.
*/
if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||
(epos.bh && epos.offset == sizeof(struct allocExtDesc))) {
if ((!epos.bh
&& epos.offset ==
udf_file_entry_alloc_offset(inode)) || (epos.bh
&& epos.
offset ==
sizeof
(struct
allocExtDesc)))
{
/* File has no extents at all or has empty last
* indirect extent! Create a fake extent... */
extent.extLocation.logicalBlockNum = 0;
extent.extLocation.partitionReferenceNum = 0;
extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED;
}
else {
extent.extLength =
EXT_NOT_RECORDED_NOT_ALLOCATED;
} else {
epos.offset -= adsize;
etype = udf_next_aext(inode, &epos,
&extent.extLocation, &extent.extLength, 0);
&extent.extLocation,
&extent.extLength, 0);
extent.extLength |= etype << 30;
}
udf_extend_file(inode, &epos, &extent, offset+((inode->i_size & (sb->s_blocksize-1)) != 0));
udf_extend_file(inode, &epos, &extent,
offset +
((inode->
i_size & (sb->s_blocksize - 1)) !=
0));
}
}
UDF_I_LENEXTENTS(inode) = inode->i_size;

2
fs/udf/udf_i.h
View File

@@ -23,4 +23,4 @@ static inline struct udf_inode_info *UDF_I(struct inode *inode)
#define UDF_I_LAD(X) ( UDF_I(X)->i_ext.i_lad )
#define UDF_I_DATA(X) ( UDF_I(X)->i_ext.i_data )
#endif /* !defined(_LINUX_UDF_I_H) */
#endif /* !defined(_LINUX_UDF_I_H) */

6
fs/udf/udf_sb.h
View File

@@ -20,8 +20,8 @@
#define UDF_FLAG_VARCONV 8
#define UDF_FLAG_NLS_MAP 9
#define UDF_FLAG_UTF8 10
#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */
#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */
#define UDF_FLAG_UID_FORGET 11 /* save -1 for uid to disk */
#define UDF_FLAG_UID_IGNORE 12 /* use sb uid instead of on disk uid */
#define UDF_FLAG_GID_FORGET 13
#define UDF_FLAG_GID_IGNORE 14
@@ -139,4 +139,4 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
#define UDF_SB_FLAGS(X) ( UDF_SB(X)->s_flags )
#define UDF_SB_VAT(X) ( UDF_SB(X)->s_vat )
#endif /* __LINUX_UDF_SB_H */
#endif /* __LINUX_UDF_SB_H */

106
fs/udf/udfdecl.h
View File

@@ -50,30 +50,26 @@ extern const struct address_space_operations udf_aops;
extern const struct address_space_operations udf_adinicb_aops;
extern const struct address_space_operations udf_symlink_aops;
struct udf_fileident_bh
{
struct udf_fileident_bh {
struct buffer_head *sbh;
struct buffer_head *ebh;
int soffset;
int eoffset;
};
struct udf_vds_record
{
struct udf_vds_record {
uint32_t block;
uint32_t volDescSeqNum;
};
struct generic_desc
{
tag descTag;
__le32 volDescSeqNum;
struct generic_desc {
tag descTag;
__le32 volDescSeqNum;
};
struct ustr
{
struct ustr {
uint8_t u_cmpID;
uint8_t u_name[UDF_NAME_LEN-2];
uint8_t u_name[UDF_NAME_LEN - 2];
uint8_t u_len;
};
@@ -83,44 +79,58 @@ struct extent_position {
kernel_lb_addr block;
};
/* super.c */
extern void udf_error(struct super_block *, const char *, const char *, ...);
extern void udf_warning(struct super_block *, const char *, const char *, ...);
/* namei.c */
extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *, struct fileIdentDesc *, struct udf_fileident_bh *, uint8_t *, uint8_t *);
extern int udf_write_fi(struct inode *inode, struct fileIdentDesc *,
struct fileIdentDesc *, struct udf_fileident_bh *,
uint8_t *, uint8_t *);
/* file.c */
extern int udf_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
extern int udf_ioctl(struct inode *, struct file *, unsigned int,
unsigned long);
/* inode.c */
extern struct inode *udf_iget(struct super_block *, kernel_lb_addr);
extern int udf_sync_inode(struct inode *);
extern void udf_expand_file_adinicb(struct inode *, int, int *);
extern struct buffer_head * udf_expand_dir_adinicb(struct inode *, int *, int *);
extern struct buffer_head * udf_bread(struct inode *, int, int, int *);
extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
extern void udf_truncate(struct inode *);
extern void udf_read_inode(struct inode *);
extern void udf_delete_inode(struct inode *);
extern void udf_clear_inode(struct inode *);
extern int udf_write_inode(struct inode *, int);
extern long udf_block_map(struct inode *, sector_t);
extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t);
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *);
extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int);
extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t);
extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int);
extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int);
extern int udf_extend_file(struct inode *, struct extent_position *,
kernel_long_ad *, sector_t);
extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
kernel_lb_addr *, uint32_t *, sector_t *);
extern int8_t udf_add_aext(struct inode *, struct extent_position *,
kernel_lb_addr, uint32_t, int);
extern int8_t udf_write_aext(struct inode *, struct extent_position *,
kernel_lb_addr, uint32_t, int);
extern int8_t udf_delete_aext(struct inode *, struct extent_position,
kernel_lb_addr, uint32_t);
extern int8_t udf_next_aext(struct inode *, struct extent_position *,
kernel_lb_addr *, uint32_t *, int);
extern int8_t udf_current_aext(struct inode *, struct extent_position *,
kernel_lb_addr *, uint32_t *, int);
/* misc.c */
extern struct buffer_head *udf_tgetblk(struct super_block *, int);
extern struct buffer_head *udf_tread(struct super_block *, int);
extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t, uint32_t, uint8_t);
extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t);
extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *);
extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *);
extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
uint32_t, uint8_t);
extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
uint8_t);
extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t,
uint32_t, uint16_t *);
extern struct buffer_head *udf_read_ptagged(struct super_block *,
kernel_lb_addr, uint32_t,
uint16_t *);
extern void udf_update_tag(char *, int);
extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int);
@@ -129,21 +139,26 @@ extern unsigned int udf_get_last_session(struct super_block *);
extern unsigned long udf_get_last_block(struct super_block *);
/* partition.c */
extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t, uint32_t);
extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t, uint32_t);
extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t, uint32_t);
extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t, uint32_t);
extern uint32_t udf_get_pblock(struct super_block *, uint32_t, uint16_t,
uint32_t);
extern uint32_t udf_get_pblock_virt15(struct super_block *, uint32_t, uint16_t,
uint32_t);
extern uint32_t udf_get_pblock_virt20(struct super_block *, uint32_t, uint16_t,
uint32_t);
extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
uint32_t);
extern int udf_relocate_blocks(struct super_block *, long, long *);
/* unicode.c */
extern int udf_get_filename(struct super_block *, uint8_t *, uint8_t *, int);
extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *, int);
extern int udf_put_filename(struct super_block *, const uint8_t *, uint8_t *,
int);
extern int udf_build_ustr(struct ustr *, dstring *, int);
extern int udf_CS0toUTF8(struct ustr *, struct ustr *);
/* ialloc.c */
extern void udf_free_inode(struct inode *);
extern struct inode * udf_new_inode (struct inode *, int, int *);
extern struct inode *udf_new_inode(struct inode *, int, int *);
/* truncate.c */
extern void udf_truncate_tail_extent(struct inode *);
@@ -151,18 +166,27 @@ extern void udf_discard_prealloc(struct inode *);
extern void udf_truncate_extents(struct inode *);
/* balloc.c */
extern void udf_free_blocks(struct super_block *, struct inode *, kernel_lb_addr, uint32_t, uint32_t);
extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t, uint32_t, uint32_t);
extern int udf_new_block(struct super_block *, struct inode *, uint16_t, uint32_t, int *);
extern void udf_free_blocks(struct super_block *, struct inode *,
kernel_lb_addr, uint32_t, uint32_t);
extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
uint32_t, uint32_t);
extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
uint32_t, int *);
/* fsync.c */
extern int udf_fsync_file(struct file *, struct dentry *, int);
/* directory.c */
extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *);
extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset);
extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int);
extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int);
extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,
struct udf_fileident_bh *,
struct fileIdentDesc *,
struct extent_position *,
kernel_lb_addr *, uint32_t *,
sector_t *);
extern struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize,
int *offset);
extern long_ad *udf_get_filelongad(uint8_t *, int, int *, int);
extern short_ad *udf_get_fileshortad(uint8_t *, int, int *, int);
/* crc.c */
extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
@@ -171,4 +195,4 @@ extern uint16_t udf_crc(uint8_t *, uint32_t, uint16_t);
extern time_t *udf_stamp_to_time(time_t *, long *, kernel_timestamp);
extern kernel_timestamp *udf_time_to_stamp(kernel_timestamp *, struct timespec);
#endif /* __UDF_DECL_H */
#endif /* __UDF_DECL_H */

2
fs/udf/udfend.h
View File

@@ -78,4 +78,4 @@ static inline timestamp cpu_to_lets(kernel_timestamp in)
return out;
}
#endif /* __UDF_ENDIAN_H */
#endif /* __UDF_ENDIAN_H */

93
fs/udf/udftime.c
View File

@@ -46,37 +46,36 @@
#endif
/* How many days come before each month (0-12). */
static const unsigned short int __mon_yday[2][13] =
{
static const unsigned short int __mon_yday[2][13] = {
/* Normal years. */
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
{0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365},
/* Leap years. */
{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
{0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366}
};
#define MAX_YEAR_SECONDS 69
#define SPD 0x15180 /*3600*24*/
#define SPD 0x15180 /*3600*24 */
#define SPY(y,l,s) (SPD * (365*y+l)+s)
static time_t year_seconds[MAX_YEAR_SECONDS]= {
/*1970*/ SPY( 0, 0,0), SPY( 1, 0,0), SPY( 2, 0,0), SPY( 3, 1,0),
/*1974*/ SPY( 4, 1,0), SPY( 5, 1,0), SPY( 6, 1,0), SPY( 7, 2,0),
/*1978*/ SPY( 8, 2,0), SPY( 9, 2,0), SPY(10, 2,0), SPY(11, 3,0),
/*1982*/ SPY(12, 3,0), SPY(13, 3,0), SPY(14, 3,0), SPY(15, 4,0),
/*1986*/ SPY(16, 4,0), SPY(17, 4,0), SPY(18, 4,0), SPY(19, 5,0),
/*1990*/ SPY(20, 5,0), SPY(21, 5,0), SPY(22, 5,0), SPY(23, 6,0),
/*1994*/ SPY(24, 6,0), SPY(25, 6,0), SPY(26, 6,0), SPY(27, 7,0),
/*1998*/ SPY(28, 7,0), SPY(29, 7,0), SPY(30, 7,0), SPY(31, 8,0),
/*2002*/ SPY(32, 8,0), SPY(33, 8,0), SPY(34, 8,0), SPY(35, 9,0),
/*2006*/ SPY(36, 9,0), SPY(37, 9,0), SPY(38, 9,0), SPY(39,10,0),
/*2010*/ SPY(40,10,0), SPY(41,10,0), SPY(42,10,0), SPY(43,11,0),
/*2014*/ SPY(44,11,0), SPY(45,11,0), SPY(46,11,0), SPY(47,12,0),
/*2018*/ SPY(48,12,0), SPY(49,12,0), SPY(50,12,0), SPY(51,13,0),
/*2022*/ SPY(52,13,0), SPY(53,13,0), SPY(54,13,0), SPY(55,14,0),
/*2026*/ SPY(56,14,0), SPY(57,14,0), SPY(58,14,0), SPY(59,15,0),
/*2030*/ SPY(60,15,0), SPY(61,15,0), SPY(62,15,0), SPY(63,16,0),
/*2034*/ SPY(64,16,0), SPY(65,16,0), SPY(66,16,0), SPY(67,17,0),
/*2038*/ SPY(68,17,0)
static time_t year_seconds[MAX_YEAR_SECONDS] = {
/*1970*/ SPY(0, 0, 0), SPY(1, 0, 0), SPY(2, 0, 0), SPY(3, 1, 0),
/*1974*/ SPY(4, 1, 0), SPY(5, 1, 0), SPY(6, 1, 0), SPY(7, 2, 0),
/*1978*/ SPY(8, 2, 0), SPY(9, 2, 0), SPY(10, 2, 0), SPY(11, 3, 0),
/*1982*/ SPY(12, 3, 0), SPY(13, 3, 0), SPY(14, 3, 0), SPY(15, 4, 0),
/*1986*/ SPY(16, 4, 0), SPY(17, 4, 0), SPY(18, 4, 0), SPY(19, 5, 0),
/*1990*/ SPY(20, 5, 0), SPY(21, 5, 0), SPY(22, 5, 0), SPY(23, 6, 0),
/*1994*/ SPY(24, 6, 0), SPY(25, 6, 0), SPY(26, 6, 0), SPY(27, 7, 0),
/*1998*/ SPY(28, 7, 0), SPY(29, 7, 0), SPY(30, 7, 0), SPY(31, 8, 0),
/*2002*/ SPY(32, 8, 0), SPY(33, 8, 0), SPY(34, 8, 0), SPY(35, 9, 0),
/*2006*/ SPY(36, 9, 0), SPY(37, 9, 0), SPY(38, 9, 0), SPY(39, 10, 0),
/*2010*/ SPY(40, 10, 0), SPY(41, 10, 0), SPY(42, 10, 0), SPY(43, 11, 0),
/*2014*/ SPY(44, 11, 0), SPY(45, 11, 0), SPY(46, 11, 0), SPY(47, 12, 0),
/*2018*/ SPY(48, 12, 0), SPY(49, 12, 0), SPY(50, 12, 0), SPY(51, 13, 0),
/*2022*/ SPY(52, 13, 0), SPY(53, 13, 0), SPY(54, 13, 0), SPY(55, 14, 0),
/*2026*/ SPY(56, 14, 0), SPY(57, 14, 0), SPY(58, 14, 0), SPY(59, 15, 0),
/*2030*/ SPY(60, 15, 0), SPY(61, 15, 0), SPY(62, 15, 0), SPY(63, 16, 0),
/*2034*/ SPY(64, 16, 0), SPY(65, 16, 0), SPY(66, 16, 0), SPY(67, 17, 0),
/*2038*/ SPY(68, 17, 0)
};
extern struct timezone sys_tz;
@@ -84,27 +83,23 @@ extern struct timezone sys_tz;
#define SECS_PER_HOUR (60 * 60)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
time_t *
udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
time_t *udf_stamp_to_time(time_t * dest, long *dest_usec, kernel_timestamp src)
{
int yday;
uint8_t type = src.typeAndTimezone >> 12;
int16_t offset;
if (type == 1)
{
if (type == 1) {
offset = src.typeAndTimezone << 4;
/* sign extent offset */
offset = (offset >> 4);
if (offset == -2047) /* unspecified offset */
if (offset == -2047) /* unspecified offset */
offset = 0;
}
else
} else
offset = 0;
if ((src.year < EPOCH_YEAR) ||
(src.year >= EPOCH_YEAR+MAX_YEAR_SECONDS))
{
(src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) {
*dest = -1;
*dest_usec = -1;
return NULL;
@@ -112,16 +107,16 @@ udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
*dest = year_seconds[src.year - EPOCH_YEAR];
*dest -= offset * 60;
yday = ((__mon_yday[__isleap (src.year)]
[src.month-1]) + (src.day-1));
*dest += ( ( (yday* 24) + src.hour ) * 60 + src.minute ) * 60 + src.second;
*dest_usec = src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 + src.microseconds;
yday = ((__mon_yday[__isleap(src.year)]
[src.month - 1]) + (src.day - 1));
*dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second;
*dest_usec =
src.centiseconds * 10000 + src.hundredsOfMicroseconds * 100 +
src.microseconds;
return dest;
}
kernel_timestamp *
udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
kernel_timestamp *udf_time_to_stamp(kernel_timestamp * dest, struct timespec ts)
{
long int days, rem, y;
const unsigned short int *ip;
@@ -146,28 +141,28 @@ udf_time_to_stamp(kernel_timestamp *dest, struct timespec ts)
#define DIV(a,b) ((a) / (b) - ((a) % (b) < 0))
#define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
while (days < 0 || days >= (__isleap(y) ? 366 : 365))
{
while (days < 0 || days >= (__isleap(y) ? 366 : 365)) {
long int yg = y + days / 365 - (days % 365 < 0);
/* Adjust DAYS and Y to match the guessed year. */
days -= ((yg - y) * 365
+ LEAPS_THRU_END_OF (yg - 1)
- LEAPS_THRU_END_OF (y - 1));
days -= ((yg - y) * 365 + LEAPS_THRU_END_OF(yg - 1)
- LEAPS_THRU_END_OF(y - 1));
y = yg;
}
dest->year = y;
ip = __mon_yday[__isleap(y)];
for (y = 11; days < (long int) ip[y]; --y)
for (y = 11; days < (long int)ip[y]; --y)
continue;
days -= ip[y];
dest->month = y + 1;
dest->day = days + 1;
dest->centiseconds = ts.tv_nsec / 10000000;
dest->hundredsOfMicroseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100;
dest->microseconds = (ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
dest->hundredsOfMicroseconds * 100);
dest->hundredsOfMicroseconds =
(ts.tv_nsec / 1000 - dest->centiseconds * 10000) / 100;
dest->microseconds =
(ts.tv_nsec / 1000 - dest->centiseconds * 10000 -
dest->hundredsOfMicroseconds * 100);
return dest;
}

299
fs/udf/unicode.c
View File

@@ -29,9 +29,9 @@
static int udf_translate_to_linux(uint8_t *, uint8_t *, int, uint8_t *, int);
static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
static int udf_char_to_ustr(struct ustr *dest, const uint8_t * src, int strlen)
{
if ( (!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN-2) )
if ((!dest) || (!src) || (!strlen) || (strlen > UDF_NAME_LEN - 2))
return 0;
memset(dest, 0, sizeof(struct ustr));
memcpy(dest->u_name, src, strlen);
@@ -43,33 +43,33 @@ static int udf_char_to_ustr(struct ustr *dest, const uint8_t *src, int strlen)
/*
* udf_build_ustr
*/
int udf_build_ustr(struct ustr *dest, dstring *ptr, int size)
int udf_build_ustr(struct ustr *dest, dstring * ptr, int size)
{
int usesize;
if ( (!dest) || (!ptr) || (!size) )
if ((!dest) || (!ptr) || (!size))
return -1;
memset(dest, 0, sizeof(struct ustr));
usesize= (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size;
dest->u_cmpID=ptr[0];
dest->u_len=ptr[size-1];
memcpy(dest->u_name, ptr+1, usesize-1);
usesize = (size > UDF_NAME_LEN) ? UDF_NAME_LEN : size;
dest->u_cmpID = ptr[0];
dest->u_len = ptr[size - 1];
memcpy(dest->u_name, ptr + 1, usesize - 1);
return 0;
}
/*
* udf_build_ustr_exact
*/
static int udf_build_ustr_exact(struct ustr *dest, dstring *ptr, int exactsize)
static int udf_build_ustr_exact(struct ustr *dest, dstring * ptr, int exactsize)
{
if ( (!dest) || (!ptr) || (!exactsize) )
if ((!dest) || (!ptr) || (!exactsize))
return -1;
memset(dest, 0, sizeof(struct ustr));
dest->u_cmpID=ptr[0];
dest->u_len=exactsize-1;
memcpy(dest->u_name, ptr+1, exactsize-1);
dest->u_cmpID = ptr[0];
dest->u_len = exactsize - 1;
memcpy(dest->u_name, ptr + 1, exactsize - 1);
return 0;
}
@@ -108,22 +108,20 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
cmp_id = ocu_i->u_cmpID;
utf_o->u_len = 0;
if (ocu_len == 0)
{
if (ocu_len == 0) {
memset(utf_o, 0, sizeof(struct ustr));
utf_o->u_cmpID = 0;
utf_o->u_len = 0;
return 0;
}
if ((cmp_id != 8) && (cmp_id != 16))
{
printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name);
if ((cmp_id != 8) && (cmp_id != 16)) {
printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n",
cmp_id, ocu_i->u_name);
return 0;
}
for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;)
{
for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) {
/* Expand OSTA compressed Unicode to Unicode */
c = ocu[i++];
@@ -132,20 +130,22 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
/* Compress Unicode to UTF-8 */
if (c < 0x80U)
utf_o->u_name[utf_o->u_len++] = (uint8_t)c;
else if (c < 0x800U)
{
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xc0 | (c >> 6));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
}
else
{
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0xe0 | (c >> 12));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | ((c >> 6) & 0x3f));
utf_o->u_name[utf_o->u_len++] = (uint8_t)(0x80 | (c & 0x3f));
utf_o->u_name[utf_o->u_len++] = (uint8_t) c;
else if (c < 0x800U) {
utf_o->u_name[utf_o->u_len++] =
(uint8_t) (0xc0 | (c >> 6));
utf_o->u_name[utf_o->u_len++] =
(uint8_t) (0x80 | (c & 0x3f));
} else {
utf_o->u_name[utf_o->u_len++] =
(uint8_t) (0xe0 | (c >> 12));
utf_o->u_name[utf_o->u_len++] =
(uint8_t) (0x80 | ((c >> 6) & 0x3f));
utf_o->u_name[utf_o->u_len++] =
(uint8_t) (0x80 | (c & 0x3f));
}
}
utf_o->u_cmpID=8;
utf_o->u_cmpID = 8;
return utf_o->u_len;
}
@@ -173,7 +173,7 @@ int udf_CS0toUTF8(struct ustr *utf_o, struct ustr *ocu_i)
* November 12, 1997 - Andrew E. Mileski
* Written, tested, and released.
*/
static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length)
static int udf_UTF8toCS0(dstring * ocu, struct ustr *utf, int length)
{
unsigned c, i, max_val, utf_char;
int utf_cnt, u_len;
@@ -182,53 +182,38 @@ static int udf_UTF8toCS0(dstring *ocu, struct ustr *utf, int length)
ocu[0] = 8;
max_val = 0xffU;
try_again:
try_again:
u_len = 0U;
utf_char = 0U;
utf_cnt = 0U;
for (i = 0U; i < utf->u_len; i++)
{
c = (uint8_t)utf->u_name[i];
for (i = 0U; i < utf->u_len; i++) {
c = (uint8_t) utf->u_name[i];
/* Complete a multi-byte UTF-8 character */
if (utf_cnt)
{
if (utf_cnt) {
utf_char = (utf_char << 6) | (c & 0x3fU);
if (--utf_cnt)
continue;
}
else
{
} else {
/* Check for a multi-byte UTF-8 character */
if (c & 0x80U)
{
if (c & 0x80U) {
/* Start a multi-byte UTF-8 character */
if ((c & 0xe0U) == 0xc0U)
{
if ((c & 0xe0U) == 0xc0U) {
utf_char = c & 0x1fU;
utf_cnt = 1;
}
else if ((c & 0xf0U) == 0xe0U)
{
} else if ((c & 0xf0U) == 0xe0U) {
utf_char = c & 0x0fU;
utf_cnt = 2;
}
else if ((c & 0xf8U) == 0xf0U)
{
} else if ((c & 0xf8U) == 0xf0U) {
utf_char = c & 0x07U;
utf_cnt = 3;
}
else if ((c & 0xfcU) == 0xf8U)
{
} else if ((c & 0xfcU) == 0xf8U) {
utf_char = c & 0x03U;
utf_cnt = 4;
}
else if ((c & 0xfeU) == 0xfcU)
{
} else if ((c & 0xfeU) == 0xfcU) {
utf_char = c & 0x01U;
utf_cnt = 5;
}
else
} else
goto error_out;
continue;
} else
@@ -237,37 +222,33 @@ try_again:
}
/* Choose no compression if necessary */
if (utf_char > max_val)
{
if ( 0xffU == max_val )
{
if (utf_char > max_val) {
if (0xffU == max_val) {
max_val = 0xffffU;
ocu[0] = (uint8_t)0x10U;
ocu[0] = (uint8_t) 0x10U;
goto try_again;
}
goto error_out;
}
if (max_val == 0xffffU)
{
ocu[++u_len] = (uint8_t)(utf_char >> 8);
if (max_val == 0xffffU) {
ocu[++u_len] = (uint8_t) (utf_char >> 8);
}
ocu[++u_len] = (uint8_t)(utf_char & 0xffU);
ocu[++u_len] = (uint8_t) (utf_char & 0xffU);
}
if (utf_cnt)
{
error_out:
if (utf_cnt) {
error_out:
ocu[++u_len] = '?';
printk(KERN_DEBUG "udf: bad UTF-8 character\n");
}
ocu[length - 1] = (uint8_t)u_len + 1;
ocu[length - 1] = (uint8_t) u_len + 1;
return u_len + 1;
}
static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr *ocu_i)
static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o,
struct ustr *ocu_i)
{
uint8_t *ocu;
uint32_t c;
@@ -280,36 +261,35 @@ static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o, struct ustr *
cmp_id = ocu_i->u_cmpID;
utf_o->u_len = 0;
if (ocu_len == 0)
{
if (ocu_len == 0) {
memset(utf_o, 0, sizeof(struct ustr));
utf_o->u_cmpID = 0;
utf_o->u_len = 0;
return 0;
}
if ((cmp_id != 8) && (cmp_id != 16))
{
printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n", cmp_id, ocu_i->u_name);
if ((cmp_id != 8) && (cmp_id != 16)) {
printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n",
cmp_id, ocu_i->u_name);
return 0;
}
for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN-3)) ;)
{
for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) {
/* Expand OSTA compressed Unicode to Unicode */
c = ocu[i++];
if (cmp_id == 16)
c = (c << 8) | ocu[i++];
utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len],
UDF_NAME_LEN - utf_o->u_len);
utf_o->u_len += nls->uni2char(c, &utf_o->u_name[utf_o->u_len],
UDF_NAME_LEN - utf_o->u_len);
}
utf_o->u_cmpID=8;
utf_o->u_cmpID = 8;
return utf_o->u_len;
}
static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, int length)
static int udf_NLStoCS0(struct nls_table *nls, dstring * ocu, struct ustr *uni,
int length)
{
unsigned len, i, max_val;
uint16_t uni_char;
@@ -319,93 +299,87 @@ static int udf_NLStoCS0(struct nls_table *nls, dstring *ocu, struct ustr *uni, i
ocu[0] = 8;
max_val = 0xffU;
try_again:
try_again:
u_len = 0U;
for (i = 0U; i < uni->u_len; i++)
{
len = nls->char2uni(&uni->u_name[i], uni->u_len-i, &uni_char);
for (i = 0U; i < uni->u_len; i++) {
len = nls->char2uni(&uni->u_name[i], uni->u_len - i, &uni_char);
if (len <= 0)
continue;
if (uni_char > max_val)
{
if (uni_char > max_val) {
max_val = 0xffffU;
ocu[0] = (uint8_t)0x10U;
ocu[0] = (uint8_t) 0x10U;
goto try_again;
}
if (max_val == 0xffffU)
ocu[++u_len] = (uint8_t)(uni_char >> 8);
ocu[++u_len] = (uint8_t)(uni_char & 0xffU);
ocu[++u_len] = (uint8_t) (uni_char >> 8);
ocu[++u_len] = (uint8_t) (uni_char & 0xffU);
i += len - 1;
}
ocu[length - 1] = (uint8_t)u_len + 1;
ocu[length - 1] = (uint8_t) u_len + 1;
return u_len + 1;
}
int udf_get_filename(struct super_block *sb, uint8_t *sname, uint8_t *dname, int flen)
int udf_get_filename(struct super_block *sb, uint8_t * sname, uint8_t * dname,
int flen)
{
struct ustr filename, unifilename;
int len;
if (udf_build_ustr_exact(&unifilename, sname, flen))
{
if (udf_build_ustr_exact(&unifilename, sname, flen)) {
return 0;
}
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
{
if (!udf_CS0toUTF8(&filename, &unifilename) )
{
udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
if (!udf_CS0toUTF8(&filename, &unifilename)) {
udf_debug("Failed in udf_get_filename: sname = %s\n",
sname);
return 0;
}
}
else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
{
if (!udf_CS0toNLS(UDF_SB(sb)->s_nls_map, &filename, &unifilename) )
{
udf_debug("Failed in udf_get_filename: sname = %s\n", sname);
} else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
if (!udf_CS0toNLS
(UDF_SB(sb)->s_nls_map, &filename, &unifilename)) {
udf_debug("Failed in udf_get_filename: sname = %s\n",
sname);
return 0;
}
}
else
} else
return 0;
if ((len = udf_translate_to_linux(dname, filename.u_name, filename.u_len,
unifilename.u_name, unifilename.u_len)))
{
if ((len =
udf_translate_to_linux(dname, filename.u_name, filename.u_len,
unifilename.u_name, unifilename.u_len))) {
return len;
}
return 0;
}
int udf_put_filename(struct super_block *sb, const uint8_t *sname, uint8_t *dname, int flen)
int udf_put_filename(struct super_block *sb, const uint8_t * sname,
uint8_t * dname, int flen)
{
struct ustr unifilename;
int namelen;
if ( !(udf_char_to_ustr(&unifilename, sname, flen)) )
{
if (!(udf_char_to_ustr(&unifilename, sname, flen))) {
return 0;
}
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8))
{
if ( !(namelen = udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN)) )
{
if (UDF_QUERY_FLAG(sb, UDF_FLAG_UTF8)) {
if (!
(namelen =
udf_UTF8toCS0(dname, &unifilename, UDF_NAME_LEN))) {
return 0;
}
}
else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP))
{
if ( !(namelen = udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename, UDF_NAME_LEN)) )
{
} else if (UDF_QUERY_FLAG(sb, UDF_FLAG_NLS_MAP)) {
if (!
(namelen =
udf_NLStoCS0(UDF_SB(sb)->s_nls_map, dname, &unifilename,
UDF_NAME_LEN))) {
return 0;
}
}
else
} else
return 0;
return namelen;
@@ -416,40 +390,36 @@ int udf_put_filename(struct super_block *sb, const uint8_t *sname, uint8_t *dnam
#define CRC_MARK '#'
#define EXT_SIZE 5
static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen, uint8_t *fidName, int fidNameLen)
static int udf_translate_to_linux(uint8_t * newName, uint8_t * udfName,
int udfLen, uint8_t * fidName, int fidNameLen)
{
int index, newIndex = 0, needsCRC = 0;
int index, newIndex = 0, needsCRC = 0;
int extIndex = 0, newExtIndex = 0, hasExt = 0;
unsigned short valueCRC;
uint8_t curr;
const uint8_t hexChar[] = "0123456789ABCDEF";
if (udfName[0] == '.' && (udfLen == 1 ||
(udfLen == 2 && udfName[1] == '.')))
{
(udfLen == 2 && udfName[1] == '.'))) {
needsCRC = 1;
newIndex = udfLen;
memcpy(newName, udfName, udfLen);
}
else
{
for (index = 0; index < udfLen; index++)
{
} else {
for (index = 0; index < udfLen; index++) {
curr = udfName[index];
if (curr == '/' || curr == 0)
{
if (curr == '/' || curr == 0) {
needsCRC = 1;
curr = ILLEGAL_CHAR_MARK;
while (index+1 < udfLen && (udfName[index+1] == '/' ||
udfName[index+1] == 0))
while (index + 1 < udfLen
&& (udfName[index + 1] == '/'
|| udfName[index + 1] == 0))
index++;
}
if (curr == EXT_MARK && (udfLen - index - 1) <= EXT_SIZE)
{
if (curr == EXT_MARK
&& (udfLen - index - 1) <= EXT_SIZE) {
if (udfLen == index + 1)
hasExt = 0;
else
{
else {
hasExt = 1;
extIndex = index;
newExtIndex = newIndex;
@@ -461,26 +431,29 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
needsCRC = 1;
}
}
if (needsCRC)
{
if (needsCRC) {
uint8_t ext[EXT_SIZE];
int localExtIndex = 0;
if (hasExt)
{
if (hasExt) {
int maxFilenameLen;
for(index = 0; index<EXT_SIZE && extIndex + index +1 < udfLen;
index++ )
{
for (index = 0;
index < EXT_SIZE && extIndex + index + 1 < udfLen;
index++) {
curr = udfName[extIndex + index + 1];
if (curr == '/' || curr == 0)
{
if (curr == '/' || curr == 0) {
needsCRC = 1;
curr = ILLEGAL_CHAR_MARK;
while(extIndex + index + 2 < udfLen && (index + 1 < EXT_SIZE
&& (udfName[extIndex + index + 2] == '/' ||
udfName[extIndex + index + 2] == 0)))
while (extIndex + index + 2 < udfLen
&& (index + 1 < EXT_SIZE
&&
(udfName
[extIndex + index + 2] ==
'/'
|| udfName[extIndex +
index + 2] ==
0)))
index++;
}
ext[localExtIndex++] = curr;
@@ -490,8 +463,7 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
newIndex = maxFilenameLen;
else
newIndex = newExtIndex;
}
else if (newIndex > 250)
} else if (newIndex > 250)
newIndex = 250;
newName[newIndex++] = CRC_MARK;
valueCRC = udf_crc(fidName, fidNameLen, 0);
@@ -500,10 +472,9 @@ static int udf_translate_to_linux(uint8_t *newName, uint8_t *udfName, int udfLen
newName[newIndex++] = hexChar[(valueCRC & 0x00f0) >> 4];
newName[newIndex++] = hexChar[(valueCRC & 0x000f)];
if (hasExt)
{
if (hasExt) {
newName[newIndex++] = EXT_MARK;
for (index = 0;index < localExtIndex ;index++ )
for (index = 0; index < localExtIndex; index++)
newName[newIndex++] = ext[index];
}
}