IB/srp: Fail I/O fast if target offline
IB/srp: Fail I/O fast if target offline

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 <89ed62d80e76c0eb24ee0d6433b48a91c2273b5e@acm.org>
Acked-by: David Dillow <72057532006b6bda05e21a65e3de864ab58e908a@ornl.gov>
Signed-off-by: Roland Dreier <0d270388f2f92757a5de0f4bd891d3b392c44c4f@purestorage.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs