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[v3,03/13] IB/srp: Fail I/O fast if target offline

Message ID 51D41CE6.3030702@acm.org (mailing list archive)
State Rejected
Headers show

Commit Message

Bart Van Assche July 3, 2013, 12:45 p.m. UTC 
If reconnecting failed we know that no command completion will
be received anymore. Hence let the SCSI error handler fail such
commands immediately.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Acked-by: Sebastian Riemer <sebastian.riemer@profitbricks.com>
Cc: Roland Dreier <roland@purestorage.com>
Cc: Vu Pham <vu@mellanox.com>
---
 drivers/infiniband/ulp/srp/ib_srp.c |    2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 0e0a5a2..19279e5 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1753,6 +1753,8 @@  static int srp_abort(struct scsi_cmnd *scmnd)
 	if (srp_send_tsk_mgmt(target, req->index, scmnd->device->lun,
 			      SRP_TSK_ABORT_TASK) == 0)
 		ret = SUCCESS;
+	else if (target->transport_offline)
+		ret = FAST_IO_FAIL;
 	else
 		ret = FAILED;
 	srp_free_req(target, req, scmnd, 0);