blk-mq: pass a reserved argument to the timeout handler
Allow blk-mq to pass an argument to the timeout handler to indicate
if we're timing out a reserved or regular command. For many drivers
those need to be handled different.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 73ce7d2..86b1156 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1932,6 +1932,14 @@
return ret;
}
+static enum blk_eh_timer_return scsi_timeout(struct request *req,
+ bool reserved)
+{
+ if (reserved)
+ return BLK_EH_RESET_TIMER;
+ return scsi_times_out(req);
+}
+
static int scsi_init_request(void *data, struct request *rq,
unsigned int hctx_idx, unsigned int request_idx,
unsigned int numa_node)
@@ -2043,7 +2051,7 @@
.map_queue = blk_mq_map_queue,
.queue_rq = scsi_queue_rq,
.complete = scsi_softirq_done,
- .timeout = scsi_times_out,
+ .timeout = scsi_timeout,
.init_request = scsi_init_request,
.exit_request = scsi_exit_request,
};