HPFS: When marking or clearing the dirty bit, sync the filesystem
Mikulas Patocka [Sun, 8 May 2011 18:43:41 +0000 (20:43 +0200)]
When marking or clearing the dirty bit, sync the filesystem

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/hpfs/super.c

index 4858ff8..07e8d0c 100644 (file)
@@ -27,6 +27,7 @@ static void mark_dirty(struct super_block *s)
                        sb->dirty = 1;
                        sb->old_wrote = 0;
                        mark_buffer_dirty(bh);
+                       sync_dirty_buffer(bh);
                        brelse(bh);
                }
        }
@@ -40,10 +41,12 @@ static void unmark_dirty(struct super_block *s)
        struct buffer_head *bh;
        struct hpfs_spare_block *sb;
        if (s->s_flags & MS_RDONLY) return;
+       sync_blockdev(s->s_bdev);
        if ((sb = hpfs_map_sector(s, 17, &bh, 0))) {
                sb->dirty = hpfs_sb(s)->sb_chkdsk > 1 - hpfs_sb(s)->sb_was_error;
                sb->old_wrote = hpfs_sb(s)->sb_chkdsk >= 2 && !hpfs_sb(s)->sb_was_error;
                mark_buffer_dirty(bh);
+               sync_dirty_buffer(bh);
                brelse(bh);
        }
 }