From b465319113f00596e303ffdd580b7b54cd846e56 Mon Sep 17 00:00:00 2001
From: Jan Kara <jack@suse.cz>
Date: Tue, 4 Jun 2013 14:40:39 -0400
Subject: [PATCH] --- yaml --- r: 377603 b: refs/heads/master c:
 92e6222dfb85db780ebd8caea6a3f9326c375bc0 h: refs/heads/master i:   377601:
 6a06ca628d41b239b1203b40fb92ecdcc5e3a467   377599:
 6bf9df42cc4d2ac52d78a067ba15a817e3c94d8b v: v3

---
 [refs]                | 2 +-
 trunk/fs/ext4/fsync.c | 8 ++------
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/[refs] b/[refs]
index 1c5c71ea4414..98b32a013ea3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 37b10dd06334ebc89f551d405a0fe27e1a622458
+refs/heads/master: 92e6222dfb85db780ebd8caea6a3f9326c375bc0
diff --git a/trunk/fs/ext4/fsync.c b/trunk/fs/ext4/fsync.c
index 6019bd449576..fc938ebbddec 100644
--- a/trunk/fs/ext4/fsync.c
+++ b/trunk/fs/ext4/fsync.c
@@ -99,20 +99,18 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 	trace_ext4_sync_file_enter(file, datasync);
 
 	if (inode->i_sb->s_flags & MS_RDONLY)
-		goto out_trace;
+		goto out;
 
 	if (!journal) {
 		ret = generic_file_fsync(file, start, end, datasync);
 		if (!ret && !hlist_empty(&inode->i_dentry))
 			ret = ext4_sync_parent(inode);
-		goto out_trace;
+		goto out;
 	}
 
 	ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (ret)
 		return ret;
-	mutex_lock(&inode->i_mutex);
-
 	/*
 	 * data=writeback,ordered:
 	 *  The caller's filemap_fdatawrite()/wait will sync the data.
@@ -143,8 +141,6 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 			ret = err;
 	}
 out:
-	mutex_unlock(&inode->i_mutex);
-out_trace:
 	trace_ext4_sync_file_exit(inode, ret);
 	return ret;
 }