From: Christoph Hellwig <hch@lst.de>
Date: Wed, 4 May 2022 07:33:55 -0700
Subject: [PATCH] block: improve the error message from bio_check_eod
Git-commit: 069adbac2cd85ae00252da6c5576cbf9b9d9ba6e
Patch-mainline: v5.19-rc1
References: jsc#PED-1183

Print the start sector and length separately instead of the combined
value to help with debugging.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Link: https://lore.kernel.org/r/20220504143355.568660-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 block/blk-core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index f305cb66c72a..c3f1e46ddd43 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -592,10 +592,9 @@ static inline int bio_check_eod(struct bio *bio)
 	    (nr_sectors > maxsector ||
 	     bio->bi_iter.bi_sector > maxsector - nr_sectors)) {
 		pr_info_ratelimited("%s: attempt to access beyond end of device\n"
-				    "%pg: rw=%d, want=%llu, limit=%llu\n",
-				    current->comm,
-				    bio->bi_bdev, bio->bi_opf,
-				    bio_end_sector(bio), maxsector);
+				    "%pg: rw=%d, sector=%llu, nr_sectors = %u limit=%llu\n",
+				    current->comm, bio->bi_bdev, bio->bi_opf,
+				    bio->bi_iter.bi_sector, nr_sectors, maxsector);
 		return -EIO;
 	}
 	return 0;
-- 
2.35.3