diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-06-16 08:56:45 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-20 04:40:10 +0300 |
| commit | 966bb5b7119607cf3d9a0d668eb67af67c2bab45 (patch) | |
| tree | e5c220c32903cb65cf898ab2d71eb5b7de8c9b6f /drivers/scsi/lpfc/lpfc_sli4.h | |
| parent | 810ffa4789c8453caf0b876619c428bf64fef304 (diff) | |
| download | linux-966bb5b7119607cf3d9a0d668eb67af67c2bab45.tar.xz | |
scsi: lpfc: Break up IO ctx list into a separate get and put list
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>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli4.h')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 830dc83b9c21..7a1d74e9e877 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -621,7 +621,8 @@ struct lpfc_sli4_hba { uint16_t scsi_xri_start; uint16_t els_xri_cnt; uint16_t nvmet_xri_cnt; - uint16_t nvmet_ctx_cnt; + uint16_t nvmet_ctx_get_cnt; + uint16_t nvmet_ctx_put_cnt; uint16_t nvmet_io_wait_cnt; uint16_t nvmet_io_wait_total; struct list_head lpfc_els_sgl_list; @@ -630,7 +631,8 @@ struct lpfc_sli4_hba { struct list_head lpfc_abts_nvmet_ctx_list; struct list_head lpfc_abts_scsi_buf_list; struct list_head lpfc_abts_nvme_buf_list; - struct list_head lpfc_nvmet_ctx_list; + struct list_head lpfc_nvmet_ctx_get_list; + struct list_head lpfc_nvmet_ctx_put_list; struct list_head lpfc_nvmet_io_wait_list; struct lpfc_sglq **lpfc_sglq_active_list; struct list_head lpfc_rpi_hdr_list; @@ -662,7 +664,8 @@ struct lpfc_sli4_hba { spinlock_t abts_nvme_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t sgl_list_lock; /* list of aborted els IOs */ - spinlock_t nvmet_io_lock; + spinlock_t nvmet_ctx_get_lock; /* list of avail XRI contexts */ + spinlock_t nvmet_ctx_put_lock; /* list of avail XRI contexts */ spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */ uint32_t physical_port; |