> From: Hongchao Zhang <hongchao.zh...@intel.com> > > 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).
Reviewed-by: James Simmons <jsimm...@infradead.org> > Signed-off-by: Hongchao Zhang <hongchao.zh...@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.dil...@intel.com> > Reviewed-by: Vitaly Fertman <vitaly.fert...@seagate.com> > Signed-off-by: Oleg Drokin <gr...@linuxhacker.ru> > --- > drivers/staging/lustre/lustre/ldlm/ldlm_request.c | 21 ++++----------------- > 1 file changed, 4 insertions(+), 17 deletions(-) > > diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c > b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c > index 1b9ae77..c5d00d1 100644 > --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c > +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c > @@ -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 > -- > 2.7.4 > > _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
