diff options
| author | Justin Tee <justin.tee@broadcom.com> | 2024-01-31 21:51:09 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-02-06 04:51:36 +0300 |
| commit | a645b8c1f5bcfc5d6ce8cb8eb2015bcbc4b37909 (patch) | |
| tree | 4ca15408bc125a2d1c0f1730e85c5fd398b1e765 /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | 9bb36777d0a2a22f11264c36f91a2682bfedb9d4 (diff) | |
| download | linux-a645b8c1f5bcfc5d6ce8cb8eb2015bcbc4b37909.tar.xz | |
scsi: lpfc: Change lpfc_vport fc_flag member into a bitmask
In attempt to reduce the amount of unnecessary shost_lock acquisitions in
the lpfc driver, change fc_flag into an unsigned long bitmask and use
clear_bit/test_bit bitwise atomic APIs instead of reliance on shost_lock
for synchronization.
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20240131185112.149731-15-justintee8345@gmail.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 29fd2eda70d5..4b21c4d33533 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -2909,8 +2909,8 @@ lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) shost = lpfc_shost_from_vport(vport); spin_lock_irq(shost->host_lock); vport->vpi_state |= LPFC_VPI_REGISTERED; - vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; spin_unlock_irq(shost->host_lock); + clear_bit(FC_VPORT_NEEDS_REG_VPI, &vport->fc_flag); } if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { @@ -10888,7 +10888,7 @@ __lpfc_sli_prep_els_req_rsp_s4(struct lpfc_iocbq *cmdiocbq, * all ELS pt2pt protocol traffic as well. */ if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) || - (vport->fc_flag & FC_PT2PT)) { + test_bit(FC_PT2PT, &vport->fc_flag)) { if (expect_rsp) { bf_set(els_req64_sid, &wqe->els_req, vport->fc_myDID); @@ -18552,8 +18552,8 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, if (did == Fabric_DID) return phba->pport; - if ((phba->pport->fc_flag & FC_PT2PT) && - !(phba->link_state == LPFC_HBA_READY)) + if (test_bit(FC_PT2PT, &phba->pport->fc_flag) && + phba->link_state != LPFC_HBA_READY) return phba->pport; vports = lpfc_create_vport_work_array(phba); @@ -19507,8 +19507,8 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, * The pt2pt protocol allows for discovery frames * to be received without a registered VPI. */ - if (!(vport->fc_flag & FC_PT2PT) || - (phba->link_state == LPFC_HBA_READY)) { + if (!test_bit(FC_PT2PT, &vport->fc_flag) || + phba->link_state == LPFC_HBA_READY) { lpfc_in_buf_free(phba, &dmabuf->dbuf); return; } @@ -22666,7 +22666,7 @@ lpfc_sli_prep_wqe(struct lpfc_hba *phba, struct lpfc_iocbq *job) if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { - if (job->vport->fc_flag & FC_PT2PT) { + if (test_bit(FC_PT2PT, &job->vport->fc_flag)) { bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, job->vport->fc_myDID); |