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[SCSI] libfc: do not immediately retry the cmd when seq_send fails in fc_fcp_send_data

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Currently, when seq_send() fails in fc_fcp_send_data(),
fc_fcp_retry_cmd() would complete this failed I/O directly and let
scsi-ml retry. However, target side is not notified which may hang the
target. Instead, we should just bail out from from fc_fcp_send_data
and let scsi-ml times it out and aborts this I/O instead.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
This commit is contained in:
Yi Zou 2011-05-16 16:45:57 -07:00 committed by James Bottomley
parent 0a219edb26
commit 8467b96c03
1 changed files with 1 additions and 2 deletions
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3
drivers/scsi/libfc/fc_fcp.c
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@ -681,8 +681,7 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
error = lport->tt.seq_send(lport, seq, fp); error = lport->tt.seq_send(lport, seq, fp);
if (error) { if (error) {
WARN_ON(1); /* send error should be rare */ WARN_ON(1); /* send error should be rare */
fc_fcp_retry_cmd(fsp); return error;
return 0;
} }
fp = NULL; fp = NULL;
} }