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authorTim Prouty <tprouty@samba.org>2009-01-26 15:39:40 -0800
committerTim Prouty <tprouty@samba.org>2009-01-29 15:29:33 -0800
commitb8f7cdbd79918bba0fea181f97fff5ab0c79192d (patch)
tree6716b36bb6421e0cff45dc224a1705bb396e8dd2 /source3/smbd
parentaeb23872e25fb720140a10ce01a4211d228b6555 (diff)
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s3: Add a new SMB_VFS_GET_ALLOC_SIZE vfs operation
This allows module implementors to customize what allocation size is returned to the client.
Diffstat (limited to 'source3/smbd')
-rw-r--r--source3/smbd/nttrans.c4
-rw-r--r--source3/smbd/reply.c4
-rw-r--r--source3/smbd/trans2.c52
3 files changed, 17 insertions, 43 deletions
diff --git a/source3/smbd/nttrans.c b/source3/smbd/nttrans.c
index 1ee3edbdbe..0ad4df6e90 100644
--- a/source3/smbd/nttrans.c
+++ b/source3/smbd/nttrans.c
@@ -621,7 +621,7 @@ void reply_ntcreate_and_X(struct smb_request *req)
p += 8;
SIVAL(p,0,fattr); /* File Attributes. */
p += 4;
- SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
+ SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
p += 8;
SOFF_T(p,0,file_len);
p += 8;
@@ -1086,7 +1086,7 @@ static void call_nt_transact_create(connection_struct *conn,
p += 8;
SIVAL(p,0,fattr); /* File Attributes. */
p += 4;
- SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
+ SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
p += 8;
SOFF_T(p,0,file_len);
p += 8;
diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c
index 52dab0a013..25d50470ff 100644
--- a/source3/smbd/reply.c
+++ b/source3/smbd/reply.c
@@ -1816,7 +1816,7 @@ void reply_open_and_X(struct smb_request *req)
END_PROFILE(SMBopenX);
return;
}
- sbuf.st_size = get_allocation_size(conn,fsp,&sbuf);
+ sbuf.st_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf);
}
fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
@@ -7281,7 +7281,7 @@ void reply_getattrE(struct smb_request *req)
SIVAL(req->outbuf, smb_vwv6, 0);
SIVAL(req->outbuf, smb_vwv8, 0);
} else {
- uint32 allocation_size = get_allocation_size(conn,fsp, &sbuf);
+ uint32 allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp, &sbuf);
SIVAL(req->outbuf, smb_vwv6, (uint32)sbuf.st_size);
SIVAL(req->outbuf, smb_vwv8, allocation_size);
}
diff --git a/source3/smbd/trans2.c b/source3/smbd/trans2.c
index 1b161d5338..6c082a8273 100644
--- a/source3/smbd/trans2.c
+++ b/source3/smbd/trans2.c
@@ -29,7 +29,6 @@
extern enum protocol_types Protocol;
-#define get_file_size(sbuf) ((sbuf).st_size)
#define DIR_ENTRY_SAFETY_MARGIN 4096
static char *store_file_unix_basic(connection_struct *conn,
@@ -59,31 +58,6 @@ uint64_t smb_roundup(connection_struct *conn, uint64_t val)
return val;
}
-/********************************************************************
- Given a stat buffer return the allocated size on disk, taking into
- account sparse files.
-********************************************************************/
-
-uint64_t get_allocation_size(connection_struct *conn, files_struct *fsp, const SMB_STRUCT_STAT *sbuf)
-{
- uint64_t ret;
-
- if(S_ISDIR(sbuf->st_mode)) {
- return 0;
- }
-
-#if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
- ret = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_blocks;
-#else
- ret = (uint64_t)get_file_size(*sbuf);
-#endif
-
- if (fsp && fsp->initial_allocation_size)
- ret = MAX(ret,fsp->initial_allocation_size);
-
- return smb_roundup(conn, ret);
-}
-
/****************************************************************************
Utility functions for dealing with extended attributes.
****************************************************************************/
@@ -1034,7 +1008,7 @@ static void call_trans2open(connection_struct *conn,
return;
}
- size = get_file_size(sbuf);
+ size = get_file_size_stat(&sbuf);
fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
mtime = sbuf.st_mtime;
inode = sbuf.st_ino;
@@ -1424,9 +1398,9 @@ static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
}
if (!(mode & aDIR)) {
- file_size = get_file_size(sbuf);
+ file_size = get_file_size_stat(&sbuf);
}
- allocation_size = get_allocation_size(conn,NULL,&sbuf);
+ allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,NULL,&sbuf);
mdate_ts = get_mtimespec(&sbuf);
adate_ts = get_atimespec(&sbuf);
@@ -3523,10 +3497,10 @@ static char *store_file_unix_basic(connection_struct *conn,
DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_mode));
- SOFF_T(pdata,0,get_file_size(*psbuf)); /* File size 64 Bit */
+ SOFF_T(pdata,0,get_file_size_stat(psbuf)); /* File size 64 Bit */
pdata += 8;
- SOFF_T(pdata,0,get_allocation_size(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
+ SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
pdata += 8;
put_long_date_timespec(pdata,get_ctimespec(psbuf)); /* Change Time 64 Bit */
@@ -4094,7 +4068,7 @@ static void call_trans2qfilepathinfo(connection_struct *conn,
fullpathname = fname;
if (!(mode & aDIR))
- file_size = get_file_size(sbuf);
+ file_size = get_file_size_stat(&sbuf);
/* Pull out any data sent here before we realloc. */
switch (info_level) {
@@ -4180,7 +4154,7 @@ total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pd
mtime_ts = get_mtimespec(&sbuf);
atime_ts = get_atimespec(&sbuf);
- allocation_size = get_allocation_size(conn,fsp,&sbuf);
+ allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf);
if (!fsp) {
/* Do we have this path open ? */
@@ -4188,7 +4162,7 @@ total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pd
fileid = vfs_file_id_from_sbuf(conn, &sbuf);
fsp1 = file_find_di_first(fileid);
if (fsp1 && fsp1->initial_allocation_size) {
- allocation_size = get_allocation_size(conn, fsp1, &sbuf);
+ allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, &sbuf);
}
}
@@ -5044,7 +5018,7 @@ static NTSTATUS smb_set_file_size(connection_struct *conn,
DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
- if (size == get_file_size(*psbuf)) {
+ if (size == get_file_size_stat(psbuf)) {
return NT_STATUS_OK;
}
@@ -5832,7 +5806,7 @@ static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
if (fsp && fsp->fh->fd != -1) {
/* Open file handle. */
/* Only change if needed. */
- if (allocation_size != get_file_size(*psbuf)) {
+ if (allocation_size != get_file_size_stat(psbuf)) {
if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
return map_nt_error_from_unix(errno);
}
@@ -5874,7 +5848,7 @@ static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
}
/* Only change if needed. */
- if (allocation_size != get_file_size(*psbuf)) {
+ if (allocation_size != get_file_size_stat(psbuf)) {
if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
status = map_nt_error_from_unix(errno);
close_file(req, new_fsp, NORMAL_CLOSE);
@@ -6101,7 +6075,7 @@ size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
/* Ensure we don't try and change anything else. */
raw_unixmode = SMB_MODE_NO_CHANGE;
- size = get_file_size(*psbuf);
+ size = get_file_size_stat(psbuf);
ft.atime = get_atimespec(psbuf);
ft.mtime = get_mtimespec(psbuf);
/*
@@ -6117,7 +6091,7 @@ size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
* */
if (!size) {
- size = get_file_size(*psbuf);
+ size = get_file_size_stat(psbuf);
}
#endif