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[SCSI] lpfc: use SCSI_MLQUEUE_TARGET_BUSY when catching the rport transition race

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We do want to call right back into the queuecommand during the race,
so we can just use SCSI_MLQUEUE_TARGET_BUSY.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: James Smart <James.Smart@Emulex.Com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie 2008-08-17 15:24:41 -05:00 committed by James Bottomley
parent d6d13ee19d
commit a93ce0244f
1 changed files with 5 additions and 4 deletions
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9
drivers/scsi/lpfc/lpfc_scsi.c
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@ -966,10 +966,9 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
* Catch race where our node has transitioned, but the
* transport is still transitioning.
*/
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
goto out_fail_command;
}
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
goto out_target_busy;
lpfc_cmd = lpfc_get_scsi_buf(phba);
if (lpfc_cmd == NULL) {
lpfc_adjust_queue_depth(phba);
@ -1014,6 +1013,8 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
lpfc_release_scsi_buf(phba, lpfc_cmd);
out_host_busy:
return SCSI_MLQUEUE_HOST_BUSY;
out_target_busy:
return SCSI_MLQUEUE_TARGET_BUSY;
out_fail_command:
done(cmnd);