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[SCSI] scsi_error: Escalate to LUN reset if abort fails

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If a command abort fails there is a fair chance that all other
aborts will be failing, too.
So we should be calling LUN reset directly after the first failed
abort and skip aborting the remaining commands.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Hannes Reinecke 2013-10-23 10:51:22 +02:00 committed by James Bottomley
parent b45620229d
commit 6fd046f960
1 changed files with 9 additions and 7 deletions
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16
drivers/scsi/scsi_error.c
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@ -1192,18 +1192,20 @@ static int scsi_eh_abort_cmds(struct list_head *work_q,
"0x%p\n", current->comm,
scmd));
rtn = scsi_try_to_abort_cmd(shost->hostt, scmd);
if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
if (rtn == FAST_IO_FAIL)
scsi_eh_finish_cmd(scmd, done_q);
else
list_move_tail(&scmd->eh_entry, &check_list);
} else
if (rtn == FAILED) {
SCSI_LOG_ERROR_RECOVERY(3, printk("%s: aborting"
" cmd failed:"
"0x%p\n",
current->comm,
scmd));
list_splice_init(&check_list, work_q);
return list_empty(work_q);
}
scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
if (rtn == FAST_IO_FAIL)
scsi_eh_finish_cmd(scmd, done_q);
else
list_move_tail(&scmd->eh_entry, &check_list);
}
return scsi_eh_test_devices(&check_list, work_q, done_q, 0);