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>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 642c819c89cd0c424f7c508177b8fa27ba6e4a77..6fd4fba4ed7606be4c76db0909d8e662f1de3a04 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -222,7 +222,7 @@ 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;
 }