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>

1 files changed, 5 insertions, 1 deletions

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f3c820b7582..4ad40afe54e 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -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);