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[SCSI] lpfc 8.3.39: Fixed bad book keeping in posting els sgls to port 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-04-17 20:18:29 -04:00 committed by James Bottomley
parent a62a435ada
commit 711ea882a0
1 changed files with 6 additions and 7 deletions
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13
drivers/scsi/lpfc/lpfc_sli.c
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@ -6000,7 +6000,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
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);
@ -6012,6 +6012,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
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);
@ -6063,9 +6064,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
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--;
}
}
}
@ -6093,9 +6092,7 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
(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 */
@ -6105,6 +6102,8 @@ lpfc_sli4_repost_els_sgl_list(struct lpfc_hba *phba)
/* 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);