xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scsi: lpfc: Break up IO ctx list into a separate get and put list

Browse Source 
Since unsol rcv ISR and command cmpl ISR both access/lock this list,
separate get/put lists will reduce contention.

Replaced
struct list_head lpfc_nvmet_ctx_list;
with
struct list_head lpfc_nvmet_ctx_get_list;
struct list_head lpfc_nvmet_ctx_put_list;
and all correpsonding locks and counters.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-06-15 22:56:45 -07:00
committed by Martin K. Petersen
parent 810ffa4789
commit 966bb5b711
5 changed files with 89 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/scsi/lpfc/lpfc_init.c
View File

@@ -1281,10 +1281,13 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba)
/* Check outstanding IO count */
if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) {
if (phba->nvmet_support) {
spin_lock(&phba->sli4_hba.nvmet_io_lock);
spin_lock(&phba->sli4_hba.nvmet_ctx_get_lock);
spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock);
tot = phba->sli4_hba.nvmet_xri_cnt -
phba->sli4_hba.nvmet_ctx_cnt;
spin_unlock(&phba->sli4_hba.nvmet_io_lock);
(phba->sli4_hba.nvmet_ctx_get_cnt +
phba->sli4_hba.nvmet_ctx_put_cnt);
spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock);
spin_unlock(&phba->sli4_hba.nvmet_ctx_get_lock);
} else {
tot = atomic_read(&phba->fc4NvmeIoCmpls);
data1 = atomic_read(
@@ -3487,7 +3490,6 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba)
/* For NVMET, ALL remaining XRIs are dedicated for IO processing */
nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt;
if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) {
/* els xri-sgl expanded */
xri_cnt = nvmet_xri_cnt - phba->sli4_hba.nvmet_xri_cnt;
@@ -5935,7 +5937,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_get_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_put_list);
INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list);
/* Fast-path XRI aborted CQ Event work queue list */
@@ -5944,7 +5947,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
/* This abort list used by worker thread */
spin_lock_init(&phba->sli4_hba.sgl_list_lock);
spin_lock_init(&phba->sli4_hba.nvmet_io_lock);
spin_lock_init(&phba->sli4_hba.nvmet_ctx_get_lock);
spin_lock_init(&phba->sli4_hba.nvmet_ctx_put_lock);
spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock);
/*