On Fri, Mar 4, 2022 at 10:01 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Use the %pg format specifier to save on stack consuption and code size.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Song Liu <song@xxxxxxxxxx>
> ---
> 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
>
