dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

reiserfs: add support for mount count incrementing 

The following patch adds the fields for tracking mount counts and last
fsck timestamps to the superblock.  It also increments the mount count
on every read-write mount.

Reiserfsprogs 3.6.21 added support for these fields.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Mahoney 2009-03-30 14:02:16 -04:00 committed by Linus Torvalds
parent 8e0ee43bc2
commit 702d21c6f6
3 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/reiserfs/super.c
View File

@ -1280,6 +1280,8 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
REISERFS_SB(s)->s_mount_state = sb_umount_state(rs);
s->s_flags &= ~MS_RDONLY;
set_sb_umount_state(rs, REISERFS_ERROR_FS);
if (!old_format_only(s))
set_sb_mnt_count(rs, sb_mnt_count(rs) + 1);
/* mark_buffer_dirty (SB_BUFFER_WITH_SB (s), 1); */
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB(s));
REISERFS_SB(s)->s_mount_state = REISERFS_VALID_FS;
@ -1819,7 +1821,9 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
} else if (!silent) {
reiserfs_info(s, "using 3.5.x disk format\n");
}
}
} else
set_sb_mnt_count(rs, sb_mnt_count(rs) + 1);
journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB(s));
errval = journal_end(&th, s, 1);

6
include/linux/reiserfs_fs.h
View File

@ -171,7 +171,11 @@ struct reiserfs_super_block {
__le32 s_flags; /* Right now used only by inode-attributes, if enabled */
unsigned char s_uuid[16]; /* filesystem unique identifier */
unsigned char s_label[16]; /* filesystem volume label */
char s_unused[88]; /* zero filled by mkreiserfs and
__le16 s_mnt_count; /* Count of mounts since last fsck */
__le16 s_max_mnt_count; /* Maximum mounts before check */
__le32 s_lastcheck; /* Timestamp of last fsck */
__le32 s_check_interval; /* Interval between checks */
char s_unused[76]; /* zero filled by mkreiserfs and
* reiserfs_convert_objectid_map_v1()
* so any additions must be updated
* there as well. */

3
include/linux/reiserfs_fs_sb.h
View File

@ -73,6 +73,9 @@ typedef enum {
#define sb_version(sbp) (le16_to_cpu((sbp)->s_v1.s_version))
#define set_sb_version(sbp,v) ((sbp)->s_v1.s_version = cpu_to_le16(v))
#define sb_mnt_count(sbp) (le16_to_cpu((sbp)->s_mnt_count))
#define set_sb_mnt_count(sbp, v) ((sbp)->s_mnt_count = cpu_to_le16(v))
#define sb_reserved_for_journal(sbp) \
(le16_to_cpu((sbp)->s_v1.s_reserved_for_journal))
#define set_sb_reserved_for_journal(sbp,v) \