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staging/lustre/ldlm: engage ELC for all ldlm enqueue req

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If there is no request passed into ldlm_cli_enqueue, the enqueue
request will not engage ELC to drop unneeded locks. currently,
this kind of request is mainly related to EXTENT locks enqueue
requests (except for glimpse EXTENT lock for it has an intent).

Signed-off-by: Hongchao Zhang <hongchao.zhang@intel.com>
Reviewed-on: http://review.whamcloud.com/21739
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8209
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Vitaly Fertman <vitaly.fertman@seagate.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hongchao Zhang 2016-11-02 21:24:58 -04:00 committed by Greg Kroah-Hartman
parent d9f4cf1acb
commit 2b637d7f6a
1 changed files with 4 additions and 17 deletions
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21
drivers/staging/lustre/lustre/ldlm/ldlm_request.c
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@ -748,17 +748,14 @@ int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **reqp,
lock->l_last_activity = ktime_get_real_seconds();
/* lock not sent to server yet */
if (!reqp || !*reqp) {
req = ptlrpc_request_alloc_pack(class_exp2cliimp(exp),
&RQF_LDLM_ENQUEUE,
LUSTRE_DLM_VERSION,
LDLM_ENQUEUE);
if (!req) {
req = ldlm_enqueue_pack(exp, lvb_len);
if (IS_ERR(req)) {
failed_lock_cleanup(ns, lock, einfo->ei_mode);
LDLM_LOCK_RELEASE(lock);
return -ENOMEM;
return PTR_ERR(req);
}
req_passed_in = 0;
if (reqp)
*reqp = req;
@ -778,16 +775,6 @@ int ldlm_cli_enqueue(struct obd_export *exp, struct ptlrpc_request **reqp,
body->lock_flags = ldlm_flags_to_wire(*flags);
body->lock_handle[0] = *lockh;
/* Continue as normal. */
if (!req_passed_in) {
if (lvb_len > 0)
req_capsule_extend(&req->rq_pill,
&RQF_LDLM_ENQUEUE_LVB);
req_capsule_set_size(&req->rq_pill, &RMF_DLM_LVB, RCL_SERVER,
lvb_len);
ptlrpc_request_set_replen(req);
}
/*
* Liblustre client doesn't get extent locks, except for O_APPEND case
* where [0, OBD_OBJECT_EOF] lock is taken, or truncate, where