linux-kernel - [PATCHv5 14/16] HFS: kill hfs_buffer

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Date:	Sun,  6 Jun 2010 17:50:27 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
Subject: [PATCHv5 14/16] HFS: kill hfs_buffer_sync

From: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>

and use 'sync_dirty_buffer()' instead, which is the right way
of doing synchronization.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
---
 fs/hfs/hfs_fs.h |   11 -----------
 fs/hfs/mdb.c    |    4 ++--
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 99b5866..3514e7a 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -254,17 +254,6 @@ static inline void hfs_bitmap_dirty(struct super_block *sb)
 	sb_mark_dirty(sb);
 }
 
-static inline void hfs_buffer_sync(struct buffer_head *bh)
-{
-	while (buffer_locked(bh)) {
-		wait_on_buffer(bh);
-	}
-	if (buffer_dirty(bh)) {
-		ll_rw_block(WRITE, 1, &bh);
-		wait_on_buffer(bh);
-	}
-}
-
 #define sb_bread512(sb, sec, data) ({			\
 	struct buffer_head *__bh;			\
 	sector_t __block;				\
diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index 957945e..159ab88 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -220,7 +220,7 @@ int hfs_mdb_get(struct super_block *sb)
 		mdb->drLsMod = hfs_mtime();
 
 		mark_buffer_dirty(HFS_SB(sb)->mdb_bh);
-		hfs_buffer_sync(HFS_SB(sb)->mdb_bh);
+		sync_dirty_buffer(HFS_SB(sb)->mdb_bh);
 	}
 
 	return 0;
@@ -288,7 +288,7 @@ void hfs_mdb_commit(struct super_block *sb)
 		HFS_SB(sb)->alt_mdb->drAtrb |= cpu_to_be16(HFS_SB_ATTRIB_UNMNT);
 		HFS_SB(sb)->alt_mdb->drAtrb &= cpu_to_be16(~HFS_SB_ATTRIB_INCNSTNT);
 		mark_buffer_dirty(HFS_SB(sb)->alt_mdb_bh);
-		hfs_buffer_sync(HFS_SB(sb)->alt_mdb_bh);
+		sync_dirty_buffer(HFS_SB(sb)->alt_mdb_bh);
 	}
 
 	if (test_and_clear_bit(HFS_FLG_BITMAP_DIRTY, &HFS_SB(sb)->flags)) {
-- 
1.7.0.1

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