From: Jeff Layton <jlayton@redhat.com>
Date: Wed, 12 Apr 2017 12:06:02 +0000 (-0400)
Subject: orangefs: don't call filemap_write_and_wait from fsync
X-Git-Tag: v4.14-rc1~14^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=49e5571324a81ddbb0d06ff38f698534a2a47e33;p=platform%2Fkernel%2Flinux-rpi3.git

orangefs: don't call filemap_write_and_wait from fsync

Orangefs doesn't do buffered writes yet, so there's no point in
initiating and waiting for writeback.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
---

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index 28f38d8..336ecbf 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -646,14 +646,11 @@ static int orangefs_fsync(struct file *file,
 		       loff_t end,
 		       int datasync)
 {
-	int ret = -EINVAL;
+	int ret;
 	struct orangefs_inode_s *orangefs_inode =
 		ORANGEFS_I(file_inode(file));
 	struct orangefs_kernel_op_s *new_op = NULL;
 
-	/* required call */
-	filemap_write_and_wait_range(file->f_mapping, start, end);
-
 	new_op = op_alloc(ORANGEFS_VFS_OP_FSYNC);
 	if (!new_op)
 		return -ENOMEM;