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scsi: RDMA/srpt: Fix handling of command / TMF submission failure

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If submitting an SRP IU to the target core fails, send the SCSI response
"BUSY" to the initiator instead of not sending any response.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Mike Christie <mchristi@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2019-01-25 10:34:48 -08:00 committed by Martin K. Petersen
parent 94ebb47160
commit 8b8807b9e9
1 changed files with 4 additions and 5 deletions
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9
drivers/infiniband/ulp/srpt/ib_srpt.c
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@ -1505,7 +1505,7 @@ static void srpt_handle_cmd(struct srpt_rdma_ch *ch,
pr_err("0x%llx: parsing SRP descriptor table failed.\n",
srp_cmd->tag);
}
goto release_ioctx;
goto busy;
}
rc = target_submit_cmd_map_sgls(cmd, ch->sess, srp_cmd->cdb,
@ -1516,13 +1516,12 @@ static void srpt_handle_cmd(struct srpt_rdma_ch *ch,
if (rc != 0) {
pr_debug("target_submit_cmd() returned %d for tag %#llx\n", rc,
srp_cmd->tag);
goto release_ioctx;
goto busy;
}
return;
release_ioctx:
send_ioctx->state = SRPT_STATE_DONE;
srpt_release_cmd(cmd);
busy:
target_send_busy(cmd);
}
static int srp_tmr_to_tcm(int fn)