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Message-Id: <20190919214821.693331447@linuxfoundation.org>
Date: Fri, 20 Sep 2019 00:02:42 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Jan Stancek <jstancek@...hat.com>,
Naresh Kamboju <naresh.kamboju@...aro.org>,
Trond Myklebust <trond.myklebust@...merspace.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.2 074/124] NFSv2: Fix write regression
From: Trond Myklebust <trond.myklebust@...merspace.com>
[ Upstream commit d33d4beb522987d1c305c12500796f9be3687dee ]
Ensure we update the write result count on success, since the
RPC call itself does not do so.
Reported-by: Jan Stancek <jstancek@...hat.com>
Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
Signed-off-by: Trond Myklebust <trond.myklebust@...merspace.com>
Tested-by: Jan Stancek <jstancek@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/nfs/proc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ec79d2214a78c..0f7288b94633b 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -616,8 +616,10 @@ static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task,
static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
{
- if (task->tk_status >= 0)
+ if (task->tk_status >= 0) {
+ hdr->res.count = hdr->args.count;
nfs_writeback_update_inode(hdr);
+ }
return 0;
}
--
2.20.1
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