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| author | James Smart <James.Smart@Emulex.Com> | 2007-04-25 09:53:01 -0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-06 09:33:15 -0500 |
| commit | 329f9bc735b4665d42267259b1612191f72c4d42 (patch) | |
| tree | b696a632e19afa0d0e42012efd7992690f69e1a1 /drivers/scsi/lpfc/lpfc_nportdisc.c | |
| parent | 2680eeaaa03e83a87ece2724e71f7cc816cd3ef0 (diff) | |
| download | talos-op-linux-329f9bc735b4665d42267259b1612191f72c4d42.tar.gz talos-op-linux-329f9bc735b4665d42267259b1612191f72c4d42.zip | |
[SCSI] lpfc 8.1.12 : Reference count node structures for node lifetime management
Reference count node structures for node lifetime management.
Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nportdisc.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 789a12dc986b..f03284ad25b7 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -353,7 +353,10 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, * queue this mbox command to be processed later. */ mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; - mbox->context2 = ndlp; + /* + * mbox->context2 = lpfc_nlp_get(ndlp) deferred until mailbox + * command issued in lpfc_cmpl_els_acc(). + */ ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); /* @@ -773,13 +776,14 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_hba * phba, default: mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; } - mbox->context2 = ndlp; + mbox->context2 = lpfc_nlp_get(ndlp); if (lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) { lpfc_nlp_set_state(phba, ndlp, NLP_STE_REG_LOGIN_ISSUE); return ndlp->nlp_state; } + lpfc_nlp_put(ndlp); mp = (struct lpfc_dmabuf *)mbox->context1; lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -1920,7 +1924,7 @@ lpfc_disc_state_machine(struct lpfc_hba * phba, uint32_t(*func) (struct lpfc_hba *, struct lpfc_nodelist *, void *, uint32_t); - ndlp->nlp_disc_refcnt++; + lpfc_nlp_get(ndlp); cur_state = ndlp->nlp_state; /* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */ @@ -1943,18 +1947,7 @@ lpfc_disc_state_machine(struct lpfc_hba * phba, phba->brd_no, rc, ndlp->nlp_DID, ndlp->nlp_flag); - ndlp->nlp_disc_refcnt--; + lpfc_nlp_put(ndlp); - /* Check to see if ndlp removal is deferred */ - if ((ndlp->nlp_disc_refcnt == 0) - && (ndlp->nlp_flag & NLP_DELAY_REMOVE)) { - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_DELAY_REMOVE; - spin_unlock_irq(phba->host->host_lock); - lpfc_nlp_remove(phba, ndlp); - return NLP_STE_FREED_NODE; - } - if (rc == NLP_STE_FREED_NODE) - return NLP_STE_FREED_NODE; return rc; } |
