ext3: Remove i_mutex from ext3_sync_file()

ext3_sync_file() does not need i_mutex for anything so just drop it.

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 0 insertions, 10 deletions

diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c
index d494c554c6e6..1860ed356323 100644
--- a/fs/ext3/fsync.c
+++ b/fs/ext3/fsync.c
@@ -61,13 +61,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
         if (ret)
                 goto out;
 
-        /*
-         * Taking the mutex here just to keep consistent with how fsync was
-         * called previously, however it looks like we don't need to take
-         * i_mutex at all.
-         */
-        mutex_lock(&inode->i_mutex);
-
         J_ASSERT(ext3_journal_current_handle() == NULL);
 
         /*
@@ -85,7 +78,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
          *  safe in-journal, which is all fsync() needs to ensure.
          */
         if (ext3_should_journal_data(inode)) {
-                mutex_unlock(&inode->i_mutex);
                 ret = ext3_force_commit(inode->i_sb);
                 goto out;
         }
@@ -108,8 +100,6 @@ int ext3_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
          */
         if (needs_barrier)
                 blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
-
-        mutex_unlock(&inode->i_mutex);
 out:
         trace_ext3_sync_file_exit(inode, ret);
         return ret;