From: James Smart <james.smart@emulex.com>
To: linux-scsi@vger.kernel.org
Subject: [PATCH 14/22] lpfc 8.3.39: Fixed bad book keeping in posting els sgls to port
Date: Wed, 17 Apr 2013 20:18:29 -0400 [thread overview]
Message-ID: <1366244309.1513.15.camel@myfc17> (raw)
Fixed bad book keeping in posting els sgls to port
Signed-off-by: James Smart <james.smart@emulex.com>
---
lpfc_sli.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff -upNr a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
--- a/drivers/scsi/lpfc/lpfc_sli.c 2013-04-15 18:26:39.379041174 -0400
+++ b/drivers/scsi/lpfc/lpfc_sli.c 2013-04-15 18:26:45.706041318 -0400
@@ -5999,7 +5999,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpf
struct lpfc_sglq *sglq_entry = NULL;
struct lpfc_sglq *sglq_entry_next = NULL;
struct lpfc_sglq *sglq_entry_first = NULL;
- int status, post_cnt = 0, num_posted = 0, block_cnt = 0;
+ int status, total_cnt, post_cnt = 0, num_posted = 0, block_cnt = 0;
int last_xritag = NO_XRI;
LIST_HEAD(prep_sgl_list);
LIST_HEAD(blck_sgl_list);
@@ -6011,6 +6011,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpf
list_splice_init(&phba->sli4_hba.lpfc_sgl_list, &allc_sgl_list);
spin_unlock_irq(&phba->hbalock);
+ total_cnt = phba->sli4_hba.els_xri_cnt;
list_for_each_entry_safe(sglq_entry, sglq_entry_next,
&allc_sgl_list, list) {
list_del_init(&sglq_entry->list);
@@ -6062,9 +6063,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpf
sglq_entry->sli4_xritag);
list_add_tail(&sglq_entry->list,
&free_sgl_list);
- spin_lock_irq(&phba->hbalock);
- phba->sli4_hba.els_xri_cnt--;
- spin_unlock_irq(&phba->hbalock);
+ total_cnt--;
}
}
}
@@ -6092,9 +6091,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpf
(sglq_entry_first->sli4_xritag +
post_cnt - 1));
list_splice_init(&blck_sgl_list, &free_sgl_list);
- spin_lock_irq(&phba->hbalock);
- phba->sli4_hba.els_xri_cnt -= post_cnt;
- spin_unlock_irq(&phba->hbalock);
+ total_cnt -= post_cnt;
}
/* don't reset xirtag due to hole in xri block */
@@ -6104,6 +6101,8 @@ lpfc_sli4_repost_els_sgl_list(struct lpf
/* reset els sgl post count for next round of posting */
post_cnt = 0;
}
+ /* update the number of XRIs posted for ELS */
+ phba->sli4_hba.els_xri_cnt = total_cnt;
/* free the els sgls failed to post */
lpfc_free_sgl_list(phba, &free_sgl_list);
reply other threads:[~2013-04-18 0:18 UTC|newest]
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