diff options
| author | James Smart <jsmart2021@gmail.com> | 2017-06-15 22:56:45 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-06-19 21:40:10 -0400 |
| commit | 966bb5b7119607cf3d9a0d668eb67af67c2bab45 (patch) | |
| tree | e5c220c32903cb65cf898ab2d71eb5b7de8c9b6f /drivers/scsi/lpfc/lpfc_debugfs.c | |
| parent | 810ffa4789c8453caf0b876619c428bf64fef304 (diff) | |
| download | linux-966bb5b7119607cf3d9a0d668eb67af67c2bab45.tar.bz2 | |
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_debugfs.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_debugfs.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index cc49850e18a9..ed2850645e70 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -848,15 +848,18 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); } - 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); len += snprintf(buf + len, size - len, "IO_CTX: %08x WAIT: cur %08x tot %08x\n" "CTX Outstanding %08llx\n", - phba->sli4_hba.nvmet_ctx_cnt, + phba->sli4_hba.nvmet_xri_cnt, phba->sli4_hba.nvmet_io_wait_cnt, phba->sli4_hba.nvmet_io_wait_total, tot); |