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btrfs: use __bio_add_page to add single a page in rbio_add_io_sector

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The btrfs raid56 sector submission code uses bio_add_page() to add a
page to a newly created bio. bio_add_page() can fail, but the return
value is never checked.

Use __bio_add_page() as adding a single page to a newly created bio is
guaranteed to succeed.

This brings us a step closer to marking bio_add_page() as __must_check.

Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2023-03-30 03:43:51 -07:00 committed by David Sterba
parent 078e4cf5db
commit cf32e41fa5
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/raid56.c
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@ -1102,7 +1102,7 @@ static int rbio_add_io_sector(struct btrfs_raid_bio *rbio,
bio->bi_iter.bi_sector = disk_start >> 9;
bio->bi_private = rbio;
bio_add_page(bio, sector->page, sectorsize, sector->pgoff);
__bio_add_page(bio, sector->page, sectorsize, sector->pgoff);
bio_list_add(bio_list, bio);
return 0;
}