opengnsys
/
ntfs-3g
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ntfs_fuse_statfs(): fix free inodes available for non-privileged processes

master
szaka 2007-10-14 10:12:41 +00:00
parent 42444cdd94
commit 3502cdc3fb
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/ntfs-3g.c
View File

@ -245,7 +245,7 @@ static long ntfs_get_nr_free_clusters(ntfs_volume *vol)
* Returns 0 on success or -errno on error. * Returns 0 on success or -errno on error.
*/ */
static int ntfs_fuse_statfs(const char *path __attribute__((unused)), static int ntfs_fuse_statfs(const char *path __attribute__((unused)),
struct statvfs *sfs) struct statvfs *sfs)
{ {
s64 size; s64 size;
int delta_bits; int delta_bits;
@ -255,22 +255,23 @@ static int ntfs_fuse_statfs(const char *path __attribute__((unused)),
if (!vol) if (!vol)
return -ENODEV; return -ENODEV;
/* Optimal transfer block size. */ /* File system block size, used for optimal transfer block size. */
sfs->f_bsize = vol->cluster_size; sfs->f_bsize = vol->cluster_size;
/* Fundamental file system block size, used as the unit. */
sfs->f_frsize = vol->cluster_size; sfs->f_frsize = vol->cluster_size;
/* /*
* Total data blocks in file system in units of f_bsize and since * Total number of blocks on file system in units of f_frsize.
* inodes are also stored in data blocs ($MFT is a file) this is just * Since inodes are also stored in blocks ($MFT is a file) hence
* the total clusters. * this is the number of clusters on the volume.
*/ */
sfs->f_blocks = vol->nr_clusters; sfs->f_blocks = vol->nr_clusters;
/* Free data blocks in file system in units of f_bsize. */ /* Free blocks available for all and for non-privileged processes. */
size = vol->free_clusters; size = vol->free_clusters;
if (size < 0) if (size < 0)
size = 0; size = 0;
/* Free blocks avail to non-superuser, same as above on NTFS. */
sfs->f_bavail = sfs->f_bfree = size; sfs->f_bavail = sfs->f_bfree = size;
/* Free inodes on the free space */ /* Free inodes on the free space */
@ -280,15 +281,14 @@ static int ntfs_fuse_statfs(const char *path __attribute__((unused)),
else else
size >>= -delta_bits; size >>= -delta_bits;
/* Number of inodes in file system (at this point in time). */ /* Number of inodes at this point in time. */
sfs->f_files = (vol->mftbmp_na->allocated_size << 3) + size; sfs->f_files = (vol->mftbmp_na->allocated_size << 3) + size;
/* Free inodes in fs (based on current total count). */ /* Free inodes available for all and for non-privileged processes. */
size += vol->free_mft_records; size += vol->free_mft_records;
if (size < 0) if (size < 0)
size = 0; size = 0;
sfs->f_ffree = size; sfs->f_ffree = sfs->f_favail = size;
sfs->f_favail = 0;
/* Maximum length of filenames. */ /* Maximum length of filenames. */
sfs->f_namemax = NTFS_MAX_NAME_LEN; sfs->f_namemax = NTFS_MAX_NAME_LEN;