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Add in the recvfile entry to the VFS layer with a default

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implementation. Needed for the zero-copy write code.
Jeremy.
This commit is contained in:
Jeremy Allison 2007-10-29 17:16:13 -07:00
parent bda8c0bf57
commit bfbdb6324c
9 changed files with 77 additions and 1 deletions
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13
examples/VFS/skel_opaque.c
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@ -155,6 +155,17 @@ static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, int fi
return vfswrap_lseek(NULL, fsp, filedes, offset, whence);
}
static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *hdr,
SMB_OFF_T offset, size_t n)
{
return vfswrap_sendfile(NULL, tofd, fsp, fromfd, hdr, offset, n);
}
static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd, files_struct *fsp, int tofd, SMB_OFF_T offset, size_t n)
{
return vfswrap_recvfile(NULL, fromfd, fsp, tofd, offset, n);
}
static int skel_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
{
return vfswrap_rename(NULL, oldname, newname);
@ -603,6 +614,8 @@ static vfs_op_tuple skel_op_tuples[] = {
{SMB_VFS_OP(skel_write), SMB_VFS_OP_WRITE, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_pwrite), SMB_VFS_OP_PWRITE, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_lseek), SMB_VFS_OP_LSEEK, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_sendfile), SMB_VFS_OP_SENDFILE, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_recvfile), SMB_VFS_OP_RECVFLE, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_fsync), SMB_VFS_OP_FSYNC, SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(skel_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_OPAQUE},

12
examples/VFS/skel_transparent.c
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@ -149,6 +149,16 @@ static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, int fi
return SMB_VFS_NEXT_LSEEK(handle, fsp, filedes, offset, whence);
}
static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *hdr, SMB_OFF_T offset, size_t n)
{
return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, fromfd, hdr, offset, n);
}
static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd, files_struct *fsp, int tofd, SMB_OFF_T offset, size_t n)
{
return SMB_VFS_NEXT_RECVFILE(handle, fromfd, fsp, tofd, offset, n);
}
static int skel_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
{
return SMB_VFS_NEXT_RENAME(handle, oldname, newname);
@ -561,6 +571,8 @@ static vfs_op_tuple skel_op_tuples[] = {
{SMB_VFS_OP(skel_read), SMB_VFS_OP_READ, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_write), SMB_VFS_OP_WRITE, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_lseek), SMB_VFS_OP_LSEEK, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_sendfile), SMB_VFS_OP_SENDFILE, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_recvfile), SMB_VFS_OP_RECVFILE, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_fsync), SMB_VFS_OP_FSYNC, SMB_VFS_LAYER_TRANSPARENT},
{SMB_VFS_OP(skel_stat), SMB_VFS_OP_STAT, SMB_VFS_LAYER_TRANSPARENT},

2
source/Makefile.in
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@ -275,7 +275,7 @@ LIB_WITHOUT_PROTO_OBJ = $(LIBREPLACE_OBJ) $(SOCKET_WRAPPER_OBJ) $(TALLOC_OBJ) \
LIB_WITH_PROTO_OBJ = $(VERSION_OBJ) lib/charcnv.o lib/debug.o lib/fault.o \
lib/interface.o lib/md4.o \
lib/pidfile.o \
lib/signal.o lib/system.o lib/sendfile.o lib/time.o \
lib/signal.o lib/system.o lib/sendfile.o lib/recvfile.o lib/time.o \
lib/ufc.o lib/genrand.o lib/username.o \
lib/util_pw.o lib/access.o lib/smbrun.o \
lib/bitmap.o lib/crc32.o lib/dprintf.o \

4
source/include/smbprofile.h
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@ -103,6 +103,10 @@ enum profile_stats_values
#define syscall_sendfile_count __profile_stats_value(PR_VALUE_SYSCALL_SENDFILE, count)
#define syscall_sendfile_time __profile_stats_value(PR_VALUE_SYSCALL_SENDFILE, time)
PR_VALUE_SYSCALL_RECVFILE,
#define syscall_recvfile_count __profile_stats_value(PR_VALUE_SYSCALL_RECVFILE, count)
#define syscall_recvfile_time __profile_stats_value(PR_VALUE_SYSCALL_RECVFILE, time)
PR_VALUE_SYSCALL_RENAME,
#define syscall_rename_count __profile_stats_value(PR_VALUE_SYSCALL_RENAME, count)
#define syscall_rename_time __profile_stats_value(PR_VALUE_SYSCALL_RENAME, time)

4
source/include/vfs.h
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@ -73,6 +73,7 @@
/* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
/* Leave at 22 - not yet released. Add file_id_create operation. --metze */
/* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
/* Leave at 22 - not yet released. Added recvfile. */
#define SMB_VFS_INTERFACE_VERSION 22
@ -138,6 +139,7 @@ typedef enum _vfs_op_type {
SMB_VFS_OP_PWRITE,
SMB_VFS_OP_LSEEK,
SMB_VFS_OP_SENDFILE,
SMB_VFS_OP_RECVFILE,
SMB_VFS_OP_RENAME,
SMB_VFS_OP_FSYNC,
SMB_VFS_OP_STAT,
@ -266,6 +268,7 @@ struct vfs_ops {
ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, const void *data, size_t n, SMB_OFF_T offset);
SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_OFF_T offset, int whence);
ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *fsp, int tofd, SMB_OFF_T offset, size_t count);
int (*rename)(struct vfs_handle_struct *handle, const char *oldname, const char *newname);
int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd);
int (*stat)(struct vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf);
@ -392,6 +395,7 @@ struct vfs_ops {
struct vfs_handle_struct *pwrite;
struct vfs_handle_struct *lseek;
struct vfs_handle_struct *sendfile;
struct vfs_handle_struct *recvfile;
struct vfs_handle_struct *rename;
struct vfs_handle_struct *fsync;
struct vfs_handle_struct *stat;

3
source/include/vfs_macros.h
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@ -54,6 +54,7 @@
#define SMB_VFS_PWRITE(fsp, fd, data, n, off) ((fsp)->conn->vfs.ops.pwrite((fsp)->conn->vfs.handles.pwrite, (fsp), (fd), (data), (n), (off)))
#define SMB_VFS_LSEEK(fsp, fd, offset, whence) ((fsp)->conn->vfs.ops.lseek((fsp)->conn->vfs.handles.lseek, (fsp), (fd), (offset), (whence)))
#define SMB_VFS_SENDFILE(tofd, fsp, fromfd, header, offset, count) ((fsp)->conn->vfs.ops.sendfile((fsp)->conn->vfs.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count)))
#define SMB_VFS_RECVFILE(fromfd, fsp, tofd, offset, count) ((fsp)->conn->vfs.ops.recvfile((fsp)->conn->vfs.handles.recvfile, (fromfd), (fsp), (tofd), (offset), (count)))
#define SMB_VFS_RENAME(conn, old, new) ((conn)->vfs.ops.rename((conn)->vfs.handles.rename, (old), (new)))
#define SMB_VFS_FSYNC(fsp, fd) ((fsp)->conn->vfs.ops.fsync((fsp)->conn->vfs.handles.fsync, (fsp), (fd)))
#define SMB_VFS_STAT(conn, fname, sbuf) ((conn)->vfs.ops.stat((conn)->vfs.handles.stat, (fname), (sbuf)))
@ -172,6 +173,7 @@
#define SMB_VFS_OPAQUE_PWRITE(fsp, fd, data, n, off) ((fsp)->conn->vfs_opaque.ops.pwrite((fsp)->conn->vfs_opaque.handles.pwrite, (fsp), (fd), (data), (n), (off)))
#define SMB_VFS_OPAQUE_LSEEK(fsp, fd, offset, whence) ((fsp)->conn->vfs_opaque.ops.lseek((fsp)->conn->vfs_opaque.handles.lseek, (fsp), (fd), (offset), (whence)))
#define SMB_VFS_OPAQUE_SENDFILE(tofd, fsp, fromfd, header, offset, count) ((fsp)->conn->vfs_opaque.ops.sendfile((fsp)->conn->vfs_opaque.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count)))
#define SMB_VFS_OPAQUE_RECVFILE(fromfd, fsp, tofd, offset, count) ((fsp)->conn->vfs_opaque.ops.recvfile((fsp)->conn->vfs_opaque.handles.recvfile, (fromfd), (fsp), (tofd), (offset), (count)))
#define SMB_VFS_OPAQUE_RENAME(conn, old, new) ((conn)->vfs_opaque.ops.rename((conn)->vfs_opaque.handles.rename, (old), (new)))
#define SMB_VFS_OPAQUE_FSYNC(fsp, fd) ((fsp)->conn->vfs_opaque.ops.fsync((fsp)->conn->vfs_opaque.handles.fsync, (fsp), (fd)))
#define SMB_VFS_OPAQUE_STAT(conn, fname, sbuf) ((conn)->vfs_opaque.ops.stat((conn)->vfs_opaque.handles.stat, (fname), (sbuf)))
@ -291,6 +293,7 @@
#define SMB_VFS_NEXT_PWRITE(handle, fsp, fd, data, n, off) ((handle)->vfs_next.ops.pwrite((handle)->vfs_next.handles.pwrite, (fsp), (fd), (data), (n), (off)))
#define SMB_VFS_NEXT_LSEEK(handle, fsp, fd, offset, whence) ((handle)->vfs_next.ops.lseek((handle)->vfs_next.handles.lseek, (fsp), (fd), (offset), (whence)))
#define SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, fromfd, header, offset, count) ((handle)->vfs_next.ops.sendfile((handle)->vfs_next.handles.sendfile, (tofd), (fsp), (fromfd), (header), (offset), (count)))
#define SMB_VFS_NEXT_RECVFILE(handle, fromfd, fsp, tofd, offset, count) ((handle)->vfs_next.ops.recvfile((handle)->vfs_next.handles.recvfile, (fromfd), (fsp), (tofd), (offset), (count)))
#define SMB_VFS_NEXT_RENAME(handle, old, new) ((handle)->vfs_next.ops.rename((handle)->vfs_next.handles.rename, (old), (new)))
#define SMB_VFS_NEXT_FSYNC(handle, fsp, fd) ((handle)->vfs_next.ops.fsync((handle)->vfs_next.handles.fsync, (fsp), (fd)))
#define SMB_VFS_NEXT_STAT(handle, fname, sbuf) ((handle)->vfs_next.ops.stat((handle)->vfs_next.handles.stat, (fname), (sbuf)))

17
source/modules/vfs_default.c
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@ -348,6 +348,21 @@ static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struc
return result;
}
static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
int fromfd,
files_struct *fsp,
int tofd,
SMB_OFF_T offset,
size_t n)
{
ssize_t result;
START_PROFILE_BYTES(syscall_recvfile, n);
result = sys_recvfile(fromfd, tofd, offset, n);
END_PROFILE(syscall_recvfile);
return result;
}
/*********************************************************
For rename across filesystems Patch from Warren Birnbaum
<warrenb@hpcvscdp.cv.hp.com>
@ -1263,6 +1278,8 @@ static vfs_op_tuple vfs_default_ops[] = {
SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(vfswrap_sendfile), SMB_VFS_OP_SENDFILE,
SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(vfswrap_recvfile), SMB_VFS_OP_RECVFILE,
SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(vfswrap_rename), SMB_VFS_OP_RENAME,
SMB_VFS_LAYER_OPAQUE},
{SMB_VFS_OP(vfswrap_fsync), SMB_VFS_OP_FSYNC,

22
source/modules/vfs_full_audit.c
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@ -127,6 +127,10 @@ static ssize_t smb_full_audit_sendfile(vfs_handle_struct *handle, int tofd,
files_struct *fsp, int fromfd,
const DATA_BLOB *hdr, SMB_OFF_T offset,
size_t n);
static ssize_t smb_full_audit_recvfile(vfs_handle_struct *handle, int fromfd,
files_struct *fsp, int tofd,
SMB_OFF_T offset,
size_t n);
static int smb_full_audit_rename(vfs_handle_struct *handle,
const char *oldname, const char *newname);
static int smb_full_audit_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd);
@ -363,6 +367,8 @@ static vfs_op_tuple audit_op_tuples[] = {
SMB_VFS_LAYER_LOGGER},
{SMB_VFS_OP(smb_full_audit_sendfile), SMB_VFS_OP_SENDFILE,
SMB_VFS_LAYER_LOGGER},
{SMB_VFS_OP(smb_full_audit_recvfile), SMB_VFS_OP_RECVFILE,
SMB_VFS_LAYER_LOGGER},
{SMB_VFS_OP(smb_full_audit_rename), SMB_VFS_OP_RENAME,
SMB_VFS_LAYER_LOGGER},
{SMB_VFS_OP(smb_full_audit_fsync), SMB_VFS_OP_FSYNC,
@ -1145,6 +1151,22 @@ static ssize_t smb_full_audit_sendfile(vfs_handle_struct *handle, int tofd,
return result;
}
static ssize_t smb_full_audit_recvfile(vfs_handle_struct *handle, int fromfd,
files_struct *fsp, int tofd,
SMB_OFF_T offset,
size_t n)
{
ssize_t result;
result = SMB_VFS_NEXT_RECVFILE(handle, fromfd, fsp, tofd,
offset, n);
do_log(SMB_VFS_OP_RECVFILE, (result >= 0), handle,
"%s", fsp->fsp_name);
return result;
}
static int smb_full_audit_rename(vfs_handle_struct *handle,
const char *oldname, const char *newname)
{

1
source/profile/profile.c
View File

@ -297,6 +297,7 @@ bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
"syscall_pwrite", /* PR_VALUE_SYSCALL_PWRITE */
"syscall_lseek", /* PR_VALUE_SYSCALL_LSEEK */
"syscall_sendfile", /* PR_VALUE_SYSCALL_SENDFILE */
"syscall_recvfile", /* PR_VALUE_SYSCALL_RECVFILE */
"syscall_rename", /* PR_VALUE_SYSCALL_RENAME */
"syscall_fsync", /* PR_VALUE_SYSCALL_FSYNC */
"syscall_stat", /* PR_VALUE_SYSCALL_STAT */