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: 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>

diff --git a/block/blk-core.c b/block/blk-core.c
index f305cb6..c3f1e46 100644 (file)
--- 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;