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Fix bug #5990 - strict allocate should be checked before ftruncate

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reported by and based on a patch by Yasuma Takeda
<yasuma@osstech.co.jp>.
Jeremy.
This commit is contained in:
Jeremy Allison 2008-12-25 12:13:12 -08:00
parent 45db33e732
commit 5184baa959
1 changed files with 14 additions and 0 deletions
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14
source3/modules/vfs_default.c
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@ -740,6 +740,20 @@ static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fs
if (st.st_size > len)
return sys_ftruncate(fsp->fh->fd, len);
/* available disk space is enough or not? */
if (lp_strict_allocate(SNUM(fsp->conn))){
uint64_t space_avail;
uint64_t bsize,dfree,dsize;
space_avail = get_dfree_info(conn,fsp->fsp_name,false,&bsize,&dfree,&dsize);
/* space_avail is 1k blocks */
if (space_avail == (SMB_BIG_UINT)-1 ||
((SMB_BIG_UINT)space_to_write/1024 > space_avail) ) {
errno = ENOSPC;
return -1;
}
}
/* Write out the real space on disk. */
if (SMB_VFS_LSEEK(fsp, st.st_size, SEEK_SET) != st.st_size)
return -1;