block: don't print I/O error warning for dead disks

When a disk has been marked dead, don't print warnings for I/O errors
as they are very much expected.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220323163815.1526998-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-mq.c b/block/blk-mq.c
index ed3ed86..c4370d2 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -794,7 +794,8 @@ bool blk_update_request(struct request *req, blk_status_t error,
 #endif
 
        if (unlikely(error && !blk_rq_is_passthrough(req) &&
-                    !(req->rq_flags & RQF_QUIET))) {
+                    !(req->rq_flags & RQF_QUIET)) &&
+                    !test_bit(GD_DEAD, &req->q->disk->state)) {
                blk_print_req_error(req, error);
                trace_block_rq_error(req, error, nr_bytes);
        }