linux-ext4 - [PATCH 07/10] raid1: stop using bio

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Date:   Fri,  4 Mar 2022 19:01:02 +0100
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Song Liu <song@...nel.org>, "Theodore Ts'o" <tytso@....edu>,
        linux-block@...r.kernel.org, dm-devel@...hat.com,
        linux-raid@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: [PATCH 07/10] raid1: stop using bio_devname

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

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/md/raid1.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c180c188da574..97574575ad0b4 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2069,15 +2069,14 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
 		} while (!success && d != r1_bio->read_disk);
 
 		if (!success) {
-			char b[BDEVNAME_SIZE];
 			int abort = 0;
 			/* Cannot read from anywhere, this block is lost.
 			 * Record a bad block on each device.  If that doesn't
 			 * work just disable and interrupt the recovery.
 			 * Don't fail devices as that won't really help.
 			 */
-			pr_crit_ratelimited("md/raid1:%s: %s: unrecoverable I/O read error for block %llu\n",
-					    mdname(mddev), bio_devname(bio, b),
+			pr_crit_ratelimited("md/raid1:%s: %pg: unrecoverable I/O read error for block %llu\n",
+					    mdname(mddev), bio->bi_bdev,
 					    (unsigned long long)r1_bio->sector);
 			for (d = 0; d < conf->raid_disks * 2; d++) {
 				rdev = conf->mirrors[d].rdev;
-- 
2.30.2