X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fsync.c;h=fbc98ee620448dbf1f99697231e003ab86dc0893;hb=280227a75b56ab5d35854f3a77ef74a7ad56a203;hp=01d9f18a70b5188a4b74ab718868ad6468b33b76;hpb=bdfeb5a10471530dc93098e7b7663628ec951407;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/sync.c b/fs/sync.c
index 01d9f18a70b5..fbc98ee62044 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -177,8 +177,16 @@ SYSCALL_DEFINE1(syncfs, int, fd)
  */
 int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync)
 {
+	struct inode *inode = file->f_mapping->host;
+
 	if (!file->f_op->fsync)
 		return -EINVAL;
+	if (!datasync && (inode->i_state & I_DIRTY_TIME)) {
+		spin_lock(&inode->i_lock);
+		inode->i_state &= ~I_DIRTY_TIME;
+		spin_unlock(&inode->i_lock);
+		mark_inode_dirty_sync(inode);
+	}
 	return file->f_op->fsync(file, start, end, datasync);
 }
 EXPORT_SYMBOL(vfs_fsync_range);