block: Return blk_status_t instead of errno codes

Replace returning legacy errno codes with blk_status_t in
blk_cloned_rq_check_limits().

Signed-off-by: Ritika Srivastava <ritika.srivastava@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-core.c b/block/blk-core.c
index 062efde..3fbb5b2 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1145,14 +1145,14 @@ EXPORT_SYMBOL(submit_bio);
  *    limits when retrying requests on other queues. Those requests need
  *    to be checked against the new queue limits again during dispatch.
  */
-static int blk_cloned_rq_check_limits(struct request_queue *q,
+static blk_status_t blk_cloned_rq_check_limits(struct request_queue *q,
                                      struct request *rq)
 {
        if (blk_rq_sectors(rq) > blk_queue_get_max_sectors(q, req_op(rq))) {
                printk(KERN_ERR "%s: over max size limit. (%u > %u)\n",
                        __func__, blk_rq_sectors(rq),
                        blk_queue_get_max_sectors(q, req_op(rq)));
-               return -EIO;
+               return BLK_STS_IOERR;
        }
 
        /*
@@ -1165,10 +1165,10 @@ static int blk_cloned_rq_check_limits(struct request_queue *q,
        if (rq->nr_phys_segments > queue_max_segments(q)) {
                printk(KERN_ERR "%s: over max segments limit. (%hu > %hu)\n",
                        __func__, rq->nr_phys_segments, queue_max_segments(q));
-               return -EIO;
+               return BLK_STS_IOERR;
        }
 
-       return 0;
+       return BLK_STS_OK;
 }
 
 /**