int ret, needs_barrier = 0;
tid_t commit_tid;
- J_ASSERT(ext3_journal_current_handle() == NULL);
-
+ trace_ext3_sync_file_enter(file, datasync);
+
if (inode->i_sb->s_flags & MS_RDONLY)
return 0;
- return ret;
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ 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);
/*
* data=writeback,ordered:
* safe in-journal, which is all fsync() needs to ensure.
*/
if (ext3_should_journal_data(inode)) {
- return ext3_force_commit(inode->i_sb);
+ mutex_unlock(&inode->i_mutex);
+ ret = ext3_force_commit(inode->i_sb);
+ goto out;
}
if (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;
}