From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 17 Feb 2016 01:15:43 +0000 (-0500)
Subject: orangefs: fix do_readv_writev() handling of error halfway through
X-Git-Tag: v4.14-rc1~3520^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6d4c1a30b32a377083900f39c42bcacb633f99a1;p=platform%2Fkernel%2Flinux-rpi.git

orangefs: fix do_readv_writev() handling of error halfway through

Error should only be returned if nothing had been read/written.
Otherwise we need to report a short read/write instead.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
---

diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index cb6a164..ae92795 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -350,9 +350,9 @@ static ssize_t do_readv_writev(enum ORANGEFS_io_type type, struct file *file,
 			break;
 	} /*end while */
 
+out:
 	if (total_count > 0)
 		ret = total_count;
-out:
 	if (ret > 0) {
 		if (type == ORANGEFS_IO_READ) {
 			file_accessed(file);