blob: c0d4692dc58d49f3a5feeccde244840666931467 [file] [log] [blame]
From 05f54903d9d370a4cd302a85681304d3ec59e5c1 Mon Sep 17 00:00:00 2001
From: Peng Tao <tao.peng@primarydata.com>
Date: Thu, 9 Apr 2015 23:02:17 +0800
Subject: nfs: remove WARN_ON_ONCE from nfs_direct_good_bytes
From: Peng Tao <tao.peng@primarydata.com>
commit 05f54903d9d370a4cd302a85681304d3ec59e5c1 upstream.
For flexfiles driver, we might choose to read from mirror index other
than 0 while mirror_count is always 1 for read.
Reported-by: Jean Spector <jean@primarydata.com>
Cc: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/nfs/direct.c | 2 --
1 file changed, 2 deletions(-)
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -129,8 +129,6 @@ nfs_direct_good_bytes(struct nfs_direct_
int i;
ssize_t count;
- WARN_ON_ONCE(hdr->pgio_mirror_idx >= dreq->mirror_count);
-
if (dreq->mirror_count == 1) {
dreq->mirrors[hdr->pgio_mirror_idx].count += hdr->good_bytes;
dreq->count += hdr->good_bytes;