NFSv2: Fix write regression

Ensure we update the write result count on success, since the
RPC call itself does not do so.

Reported-by: Jan Stancek <jstancek@redhat.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Jan Stancek <jstancek@redhat.com>

diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ec79d2214a78ccf4e15501e40181fe10300c1184..0f7288b94633b66b37718a6b2a8a8167961285d3 100644 (file)
--- 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;
 }