From: Guo Chao <yan@linux.vnet.ibm.com>
Date: Mon, 10 Dec 2012 19:06:03 +0000 (-0500)
Subject: ext4: use sync_inode_metadata() when syncing inode metadata
X-Git-Tag: v3.8-rc2~9^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=64744e03c6871e5e4678478bab1b8c3ba6cca395;p=profile%2Fcommon%2Fkernel-common.git

ext4: use sync_inode_metadata() when syncing inode metadata

We have a dedicated interface to sync inode metadata.  Use it to
simplify ext4's code some.

Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
---

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index be1d89f..dfbc1fe 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -44,7 +44,6 @@
  */
 static int ext4_sync_parent(struct inode *inode)
 {
-	struct writeback_control wbc;
 	struct dentry *dentry = NULL;
 	struct inode *next;
 	int ret = 0;
@@ -66,10 +65,7 @@ static int ext4_sync_parent(struct inode *inode)
 		ret = sync_mapping_buffers(inode->i_mapping);
 		if (ret)
 			break;
-		memset(&wbc, 0, sizeof(wbc));
-		wbc.sync_mode = WB_SYNC_ALL;
-		wbc.nr_to_write = 0;         /* only write out the inode */
-		ret = sync_inode(inode, &wbc);
+		ret = sync_inode_metadata(inode, 1);
 		if (ret)
 			break;
 	}