diff options
| author | James Smart <james.smart@emulex.com> | 2014-09-03 12:56:40 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-09-16 09:10:08 -0700 |
| commit | dafe8ceaa89577062c2364139997f04a32f77502 (patch) | |
| tree | 25dd9ab57e6e7459f75c561245f8268e5a43a01b /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | 4f871e1b27a7c7254ead541ad6405f339790b6c5 (diff) | |
lpfc: fix discovery timeout during nameserver login
Fix discovery timeout during nameserver login
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 27221cb21bb8..8f3be2a5dc3f 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -937,7 +937,7 @@ out: * @phba: Pointer to HBA context object. * @piocb: Pointer to the iocbq. * - * This function is called with hbalock held. This function + * This function is called with the ring lock held. This function * gets a new driver sglq object from the sglq list. If the * list is not empty then it is successful, it returns pointer to the newly * allocated sglq object else it returns NULL. @@ -1053,10 +1053,12 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) spin_unlock_irqrestore( &phba->sli4_hba.abts_sgl_list_lock, iflag); } else { + spin_lock_irqsave(&pring->ring_lock, iflag); sglq->state = SGL_FREED; sglq->ndlp = NULL; list_add_tail(&sglq->list, &phba->sli4_hba.lpfc_sgl_list); + spin_unlock_irqrestore(&pring->ring_lock, iflag); /* Check if TXQ queue needs to be serviced */ if (!list_empty(&pring->txq)) @@ -6098,14 +6100,18 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba) struct lpfc_sglq *sglq_entry_first = NULL; int status, total_cnt, post_cnt = 0, num_posted = 0, block_cnt = 0; int last_xritag = NO_XRI; + struct lpfc_sli_ring *pring; LIST_HEAD(prep_sgl_list); LIST_HEAD(blck_sgl_list); LIST_HEAD(allc_sgl_list); LIST_HEAD(post_sgl_list); LIST_HEAD(free_sgl_list); + pring = &phba->sli.ring[LPFC_ELS_RING]; spin_lock_irq(&phba->hbalock); + spin_lock(&pring->ring_lock); list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &allc_sgl_list); + spin_unlock(&pring->ring_lock); spin_unlock_irq(&phba->hbalock); total_cnt = phba->sli4_hba.els_xri_cnt; @@ -6207,8 +6213,10 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba) /* push els sgls posted to the availble list */ if (!list_empty(&post_sgl_list)) { spin_lock_irq(&phba->hbalock); + spin_lock(&pring->ring_lock); list_splice_init(&post_sgl_list, &phba->sli4_hba.lpfc_sgl_list); + spin_unlock(&pring->ring_lock); spin_unlock_irq(&phba->hbalock); } else { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |