From: Steve Dickson <steved@redhat.com>
Date: Thu, 28 Oct 2010 12:17:54 +0000 (-0400)
Subject: Fixed Regression in NFS Direct I/O path
X-Git-Tag: v2.6.36.1~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9c1560611de6c695d146f9b4e78d576d3338b1ed;p=karo-tx-linux.git

Fixed Regression in NFS Direct I/O path

commit 568a810d7edd58bd505222dd1c7e48895532290b upstream.

A typo, introduced by commit f11ac8db, in the nfs_direct_write()
routine causes writes with O_DIRECT set to fail with a ENOMEM error.

Found-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 064a80961677..84d3c8b90206 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -873,7 +873,7 @@ static ssize_t nfs_direct_write(struct kiocb *iocb, const struct iovec *iov,
 	dreq->inode = inode;
 	dreq->ctx = get_nfs_open_context(nfs_file_open_context(iocb->ki_filp));
 	dreq->l_ctx = nfs_get_lock_context(dreq->ctx);
-	if (dreq->l_ctx != NULL)
+	if (dreq->l_ctx == NULL)
 		goto out_release;
 	if (!is_sync_kiocb(iocb))
 		dreq->iocb = iocb;