From: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Date: Sun, 8 May 2011 18:43:41 +0000 (+0200)
Subject: HPFS: When marking or clearing the dirty bit, sync the filesystem
X-Git-Tag: v2.6.39-rc7~7^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f73976818adeaa46515a238b21e865850b011a87;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

HPFS: When marking or clearing the dirty bit, sync the filesystem

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>
---

diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 4858ff8..07e8d0c 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -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);
 	}
 }