[PATCH 06/10] md-multipath: stop using bio_devname

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

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/md/md-multipath.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c
index c056a7d707b09..bc38a6133cda3 100644
--- a/drivers/md/md-multipath.c
+++ b/drivers/md/md-multipath.c
@@ -294,7 +294,6 @@ static void multipathd(struct md_thread *thread)
 
 	md_check_recovery(mddev);
 	for (;;) {
-		char b[BDEVNAME_SIZE];
 		spin_lock_irqsave(&conf->device_lock, flags);
 		if (list_empty(head))
 			break;
@@ -306,13 +305,13 @@ static void multipathd(struct md_thread *thread)
 		bio->bi_iter.bi_sector = mp_bh->master_bio->bi_iter.bi_sector;
 
 		if ((mp_bh->path = multipath_map (conf))<0) {
-			pr_err("multipath: %s: unrecoverable IO read error for block %llu\n",
-			       bio_devname(bio, b),
+			pr_err("multipath: %pg: unrecoverable IO read error for block %llu\n",
+			       bio->bi_bdev,
 			       (unsigned long long)bio->bi_iter.bi_sector);
 			multipath_end_bh_io(mp_bh, BLK_STS_IOERR);
 		} else {
-			pr_err("multipath: %s: redirecting sector %llu to another IO path\n",
-			       bio_devname(bio, b),
+			pr_err("multipath: %pg: redirecting sector %llu to another IO path\n",
+			       bio->bi_bdev,
 			       (unsigned long long)bio->bi_iter.bi_sector);
 			*bio = *(mp_bh->master_bio);
 			bio->bi_iter.bi_sector +=
-- 
2.30.2

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