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nfs: remove WARN_ON_ONCE from nfs_direct_good_bytes 

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: <stable@vger.kernel.org> # v3.19+
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>
This commit is contained in:
Peng Tao 2015-04-09 23:02:17 +08:00 committed by Trond Myklebust
parent 1ccbad9f9f
commit 05f54903d9
1 changed files with 0 additions and 2 deletions
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2
fs/nfs/direct.c
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@ -129,8 +129,6 @@ nfs_direct_good_bytes(struct nfs_direct_req *dreq, struct nfs_pgio_header *hdr)
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;