linux-kernel - [PATCH 7/14] HPFS: When marking or clearing the dirty bit, sync the filesystem

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Message-ID: <alpine.DEB.2.00.1105082028000.7013@artax.karlin.mff.cuni.cz>
Date:	Sun, 8 May 2011 20:43:41 +0200 (CEST)
From:	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH 7/14] 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@...ax.karlin.mff.cuni.cz>

---
 fs/hpfs/super.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6.39-rc5-fast/fs/hpfs/super.c
===================================================================
--- linux-2.6.39-rc5-fast.orig/fs/hpfs/super.c	2011-05-05 01:02:47.000000000 +0200
+++ linux-2.6.39-rc5-fast/fs/hpfs/super.c	2011-05-05 01:02:52.000000000 +0200
@@ -27,6 +27,7 @@ static void mark_dirty(struct super_bloc
 			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_bl
 	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);
 	}
 }
--
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