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>

1 files changed, 1 insertions, 5 deletions

diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index be1d89f385b4..dfbc1fe96674 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;
         }