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r5636: Re-add the allocation size - parameterized by share as

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"allocation roundup size", by default set as 1Mb. From
advice by BlueArc about Windows client behaviour. VC++
people can set this to zero to turn it off.
Jeremy.
This commit is contained in:
Jeremy Allison 2005-03-03 03:43:57 +00:00 committed by Gerald (Jerry) Carter
parent ff4c201d93
commit 833ca10177
6 changed files with 36 additions and 6 deletions
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2
source/configure.in
View File

@ -238,7 +238,7 @@ AC_ARG_ENABLE(debug,
AC_ARG_ENABLE(developer, [ --enable-developer Turn on developer warnings and debugging (default=no)],
[if eval "test x$enable_developer = xyes"; then
developer=yes
CFLAGS="${CFLAGS} -gstabs -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -Wdeclaration-after-statement -DDEBUG_PASSWORD -DDEVELOPER"
CFLAGS="${CFLAGS} -gstabs -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings -DDEBUG_PASSWORD -DDEVELOPER"
fi])
AC_ARG_ENABLE(krb5developer, [ --enable-krb5developer Turn on developer warnings and debugging, except -Wstrict-prototypes (default=no)],

3
source/include/local.h
View File

@ -198,6 +198,9 @@
/* the maximum age in seconds of a password. Should be a lp_ parameter */
#define MAX_PASSWORD_AGE (21*24*60*60)
/* Default allocation roundup. */
#define SMB_ROUNDUP_ALLOCATION_SIZE 0x100000
/* shall we deny oplocks to clients that get timeouts? */
#define FASCIST_OPLOCK_BACKOFF 1

2
source/include/smb_macros.h
View File

@ -178,6 +178,8 @@
/* this is how errors are generated */
#define UNIXERROR(defclass,deferror) unix_error_packet(outbuf,defclass,deferror,__LINE__,__FILE__)
#define SMB_ROUNDUP(x,r) ( ((x)%(r)) ? ( (((x)+(r))/(r))*(r) ) : (x))
/* Extra macros added by Ying Chen at IBM - speed increase by inlining. */
#define smb_buf(buf) (((char *)(buf)) + smb_size + CVAL(buf,smb_wct)*2)
#define smb_buflen(buf) (SVAL(buf,smb_vwv0 + (int)CVAL(buf, smb_wct)*2))

4
source/param/loadparm.c
View File

@ -424,6 +424,7 @@ typedef struct
BOOL bMap_acl_inherit;
BOOL bAfs_Share;
BOOL bEASupport;
int iallocation_roundup_size;
param_opt_struct *param_opt;
char dummy[3]; /* for alignment */
@ -549,6 +550,7 @@ static service sDefault = {
False, /* bMap_acl_inherit */
False, /* bAfs_Share */
False, /* bEASupport */
SMB_ROUNDUP_ALLOCATION_SIZE, /* iallocation_roundup_size */
NULL, /* Parametric options */
@ -893,6 +895,7 @@ static struct parm_struct parm_table[] = {
{N_("Protocol Options"), P_SEP, P_SEPARATOR},
{"allocation roundup size", P_INTEGER, P_LOCAL, &sDefault.iallocation_roundup_size, NULL, NULL, FLAG_ADVANCED},
{"smb ports", P_STRING, P_GLOBAL, &Globals.smb_ports, NULL, NULL, FLAG_ADVANCED},
{"large readwrite", P_BOOL, P_GLOBAL, &Globals.bLargeReadwrite, NULL, NULL, FLAG_ADVANCED},
{"max protocol", P_ENUM, P_GLOBAL, &Globals.maxprotocol, NULL, enum_protocol, FLAG_ADVANCED},
@ -1931,6 +1934,7 @@ FN_LOCAL_INTEGER(lp_oplock_contention_limit, iOplockContentionLimit)
FN_LOCAL_INTEGER(lp_csc_policy, iCSCPolicy)
FN_LOCAL_INTEGER(lp_write_cache_size, iWriteCacheSize)
FN_LOCAL_INTEGER(lp_block_size, iBlock_size)
FN_LOCAL_INTEGER(lp_allocation_roundup_size, iallocation_roundup_size);
FN_LOCAL_CHAR(lp_magicchar, magic_char)
FN_GLOBAL_INTEGER(lp_winbind_cache_time, &Globals.winbind_cache_time)
FN_GLOBAL_INTEGER(lp_algorithmic_rid_base, &Globals.AlgorithmicRidBase)

8
source/smbd/nttrans.c
View File

@ -929,7 +929,7 @@ create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attrib
allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
#endif
if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
fsp->initial_allocation_size = allocation_size;
fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
if (fsp->is_directory) {
close_file(fsp,False);
END_PROFILE(SMBntcreateX);
@ -942,7 +942,7 @@ create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attrib
return ERROR_NT(NT_STATUS_DISK_FULL);
}
} else {
fsp->initial_allocation_size = (SMB_BIG_UINT)file_len;
fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
}
/*
@ -1472,7 +1472,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
#endif
if (allocation_size && (allocation_size > file_len)) {
fsp->initial_allocation_size = allocation_size;
fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
if (fsp->is_directory) {
close_file(fsp,False);
END_PROFILE(SMBntcreateX);
@ -1484,7 +1484,7 @@ static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *o
return ERROR_NT(NT_STATUS_DISK_FULL);
}
} else {
fsp->initial_allocation_size = (SMB_BIG_UINT)file_len;
fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
}
/* Realloc the size of parameters and data we will return */

23
source/smbd/trans2.c
View File

@ -32,6 +32,23 @@ extern struct current_user current_user;
#define get_file_size(sbuf) ((sbuf).st_size)
#define DIR_ENTRY_SAFETY_MARGIN 4096
/********************************************************************
Roundup a value to the nearest allocation roundup size boundary.
Only do this for Windows clients.
********************************************************************/
SMB_BIG_UINT smb_roundup(connection_struct *conn, SMB_BIG_UINT val)
{
SMB_BIG_UINT rval = lp_allocation_roundup_size(SNUM(conn));
/* Only roundup for Windows clients. */
enum remote_arch_types ra_type = get_remote_arch();
if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
val = SMB_ROUNDUP(val,rval);
}
return val;
}
/********************************************************************
Given a stat buffer return the allocated size on disk, taking into
account sparse files.
@ -50,7 +67,7 @@ SMB_BIG_UINT get_allocation_size(files_struct *fsp, SMB_STRUCT_STAT *sbuf)
if (!ret && fsp && fsp->initial_allocation_size)
ret = fsp->initial_allocation_size;
return ret;
return smb_roundup(fsp->conn, ret);
}
/****************************************************************************
@ -3333,6 +3350,10 @@ static int call_trans2setfilepathinfo(connection_struct *conn, char *inbuf, char
DEBUG(10,("call_trans2setfilepathinfo: Set file allocation info for file %s to %.0f\n",
fname, (double)allocation_size ));
if (allocation_size) {
allocation_size = smb_roundup(conn, allocation_size);
}
if(allocation_size != get_file_size(sbuf)) {
SMB_STRUCT_STAT new_sbuf;