diff options
Diffstat (limited to 'sys/ufs/ffs/fs.h')
| -rw-r--r-- | sys/ufs/ffs/fs.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/ufs/ffs/fs.h b/sys/ufs/ffs/fs.h index c11a9f8..b9cab9a 100644 --- a/sys/ufs/ffs/fs.h +++ b/sys/ufs/ffs/fs.h @@ -328,9 +328,18 @@ struct fs { /* * Filesystem flags. - */ -#define FS_UNCLEAN 0x01 /* filesystem not clean at mount */ -#define FS_DOSOFTDEP 0x02 /* filesystem using soft dependencies */ + * + * Note that the FS_NEEDSFSCK flag is set and cleared only by the + * fsck utility. It is set when background fsck finds an unexpected + * inconsistency which requires a traditional foreground fsck to be + * run. Such inconsistencies should only be found after an uncorrectable + * disk error. A foreground fsck will clear the FS_NEEDSFSCK flag when + * it has successfully cleaned up the filesystem. The kernel uses this + * flag to enforce that inconsistent filesystems be mounted read-only. + */ +#define FS_UNCLEAN 0x01 /* filesystem not clean at mount */ +#define FS_DOSOFTDEP 0x02 /* filesystem using soft dependencies */ +#define FS_NEEDSFSCK 0x04 /* filesystem needs sync fsck before mount */ /* * Rotational layout table format types |
