nbd: complete requests from ->timeout
authorChristoph Hellwig <hch@lst.de>
Tue, 29 May 2018 13:52:31 +0000 (15:52 +0200)
committerJens Axboe <axboe@kernel.dk>
Tue, 29 May 2018 14:59:21 +0000 (08:59 -0600)
By completing the request entirely in the driver we can remove the
BLK_EH_HANDLED return value and thus the split responsibility between the
driver and the block layer that has been causing trouble.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/nbd.c

index 88ae833aabe94363f40a932725039676fde54d6e..8860b24098bc02d2b464143df240bcce28766f32 100644 (file)
@@ -304,7 +304,7 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
 
        if (!refcount_inc_not_zero(&nbd->config_refs)) {
                cmd->status = BLK_STS_TIMEOUT;
-               return BLK_EH_HANDLED;
+               goto done;
        }
        config = nbd->config;
 
@@ -342,8 +342,9 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req,
        cmd->status = BLK_STS_IOERR;
        sock_shutdown(nbd);
        nbd_config_put(nbd);
-
-       return BLK_EH_HANDLED;
+done:
+       blk_mq_complete_request(req);
+       return BLK_EH_DONE;
 }
 
 /*