ext4: stop using bio_devname

Use the %pg format specifier to save on stack consuption and code size.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220304180105.409765-10-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 12539822687305dc720d060a5e75e84891bb3d60..18373fa529225259085595afec437e35e94bab35 100644 (file)
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -323,10 +323,9 @@ static void ext4_end_bio(struct bio *bio)
 {
        ext4_io_end_t *io_end = bio->bi_private;
        sector_t bi_sector = bio->bi_iter.bi_sector;
-       char b[BDEVNAME_SIZE];
 
-       if (WARN_ONCE(!io_end, "io_end is NULL: %s: sector %Lu len %u err %d\n",
-                     bio_devname(bio, b),
+       if (WARN_ONCE(!io_end, "io_end is NULL: %pg: sector %Lu len %u err %d\n",
+                     bio->bi_bdev,
                      (long long) bio->bi_iter.bi_sector,
                      (unsigned) bio_sectors(bio),
                      bio->bi_status)) {