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[SCSI] libsas: let libata handle command timeouts

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libsas-eh if it successfully aborts an ata command will hide the timeout
condition (AC_ERR_TIMEOUT) from libata.  The command likely completes
with the all-zero task->task_status it started with.  Instead, interpret
a TMF_RESP_FUNC_COMPLETE as the end of the sas_task but keep the scmd
around for libata-eh to handle.

Tested-by: Andrzej Jakowski <andrzej.jakowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Williams
2011-11-29 12:08:50 -08:00
committed by James Bottomley
parent 9095a64a9a
commit 3944f50995
3 changed files with 23 additions and 3 deletions
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drivers/scsi/libsas/sas_init.c
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@@ -146,6 +146,7 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
}
INIT_LIST_HEAD(&sas_ha->eh_done_q);
INIT_LIST_HEAD(&sas_ha->eh_ata_q);
return 0;