4.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Cc: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>
Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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;
--
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