linux-kernel - [PATCH 6/10] jfs: Fix error handling in write_super

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Date:	Fri, 26 Sep 2008 17:58:37 +0900
From:	Takashi Sato <t-sato@...jp.nec.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@...radead.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"dm-devel@...hat.com" <dm-devel@...hat.com>,
	"viro@...IV.linux.org.uk" <viro@...IV.linux.org.uk>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"xfs@....sgi.com" <xfs@....sgi.com>,
	"axboe@...nel.dk" <axboe@...nel.dk>,
	"mtk.manpages@...glemail.com" <mtk.manpages@...glemail.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 6/10] jfs: Fix error handling in write_super_lockfs/unlockfs

Changed write_super_lockfs so that it returns 0 because there is no
case of an error.  unlockfs always returns 0.

Signed-off-by: Takashi Sato <t-sato@...jp.nec.com>
Signed-off-by: Masayuki Hamaguchi <m-hamaguchi@...jp.nec.com>
---
 super.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff -uprN -X linux-2.6.27-rc7-lockfs-gfs2/Documentation/dontdiff linux-2.6.27-rc7-lockfs-gfs2/fs/jfs/super.c linux-2.6.
27-rc7-lockfs-jfs/fs/jfs/super.c
--- linux-2.6.27-rc7-lockfs-gfs2/fs/jfs/super.c	2008-09-26 14:30:30.000000000 +0900
+++ linux-2.6.27-rc7-lockfs-jfs/fs/jfs/super.c	2008-09-26 17:05:59.000000000 +0900
@@ -543,7 +543,7 @@ out_kfree:
 	return ret;
 }
 
-static void jfs_write_super_lockfs(struct super_block *sb)
+static int jfs_freeze(struct super_block *sb)
 {
 	struct jfs_sb_info *sbi = JFS_SBI(sb);
 	struct jfs_log *log = sbi->log;
@@ -553,9 +553,10 @@ static void jfs_write_super_lockfs(struc
 		lmLogShutdown(log);
 		updateSuper(sb, FM_CLEAN);
 	}
+	return 0;
 }
 
-static void jfs_unlockfs(struct super_block *sb)
+static int jfs_unfreeze(struct super_block *sb)
 {
 	struct jfs_sb_info *sbi = JFS_SBI(sb);
 	struct jfs_log *log = sbi->log;
@@ -568,6 +569,7 @@ static void jfs_unlockfs(struct super_bl
 		else
 			txResume(sb);
 	}
+	return 0;
 }
 
 static int jfs_get_sb(struct file_system_type *fs_type,
@@ -735,8 +737,8 @@ static const struct super_operations jfs
 	.delete_inode	= jfs_delete_inode,
 	.put_super	= jfs_put_super,
 	.sync_fs	= jfs_sync_fs,
-	.write_super_lockfs = jfs_write_super_lockfs,
-	.unlockfs       = jfs_unlockfs,
+	.freeze_fs	= jfs_freeze,
+	.unfreeze_fs	= jfs_unfreeze,
 	.statfs		= jfs_statfs,
 	.remount_fs	= jfs_remount,
 	.show_options	= jfs_show_options,
--
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