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staging: lustre: ptlrpc: replay bulk request

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Even though the server might already got the bulk
replay request, but bulk transfer timeout, let's
replay the bulk request, i.e. treat such replay as
same as no replied replay request (See
ptlrpc_replay_interpret()).

Signed-off-by: wang di <di.wang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6924
Reviewed-on: http://review.whamcloud.com/15793
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wang di 2016-10-27 18:11:51 -04:00 committed by Greg Kroah-Hartman
parent bb280ab4c8
commit 8ae44c778d
1 changed files with 9 additions and 2 deletions
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11
drivers/staging/lustre/lustre/ptlrpc/client.c
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@ -2762,8 +2762,15 @@ static int ptlrpc_replay_interpret(const struct lu_env *env,
atomic_dec(&imp->imp_replay_inflight);
if (!ptlrpc_client_replied(req)) {
CERROR("request replay timed out, restarting recovery\n");
/*
* Note: if it is bulk replay (MDS-MDS replay), then even if
* server got the request, but bulk transfer timeout, let's
* replay the bulk req again
*/
if (!ptlrpc_client_replied(req) ||
(req->rq_bulk &&
lustre_msg_get_status(req->rq_repmsg) == -ETIMEDOUT)) {
DEBUG_REQ(D_ERROR, req, "request replay timed out.\n");
rc = -ETIMEDOUT;
goto out;
}