From: J. R. Okajima <hooanon05@yahoo.co.jp>
Date: Wed, 11 Aug 2010 17:10:16 +0000 (-0400)
Subject: NFS: fix the return value of nfs_file_fsync()
X-Git-Tag: firefly_0821_release~10186^2~436
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4dd117b9e4bda38bff030f24b43f8f769ec1551e;p=firefly-linux-kernel-4.4.55.git

NFS: fix the return value of nfs_file_fsync()

commit 0702099bd86c33c2dcdbd3963433a61f3f503901 upstream.

By the commit af7fa16 2010-08-03 NFS: Fix up the fsync code
close(2) became returning the non-zero value even if it went well.
nfs_file_fsync() should return 0 when "status" is positive.

Signed-off-by: J. R. Okajima <hooanon05@yahoo.co.jp>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 6fed6ccbf689..99545e263b01 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -220,7 +220,7 @@ static int nfs_do_fsync(struct nfs_open_context *ctx, struct inode *inode)
 	have_error |= test_bit(NFS_CONTEXT_ERROR_WRITE, &ctx->flags);
 	if (have_error)
 		ret = xchg(&ctx->error, 0);
-	if (!ret)
+	if (!ret && status < 0)
 		ret = status;
 	return ret;
 }