Commit 069adbac authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: improve the error message from bio_check_eod 



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

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDamien Le Moal <damien.lemoal@opensource.wdc.com>
Link: https://lore.kernel.org/r/20220504143355.568660-1-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 7ecc56c6

block/blk-core.c

+3 −4
Original line number Diff line number Diff line
@@ -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;