[PATCH v2 08/19] btrfs: repair: use __bio_add_page for adding single page

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The btrfs repair bio 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.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
---
 fs/btrfs/bio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index 726592868e9c..73220a219c91 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -224,7 +224,7 @@ static struct btrfs_failed_bio *repair_one_sector(struct btrfs_bio *failed_bbio,
 	repair_bio = bio_alloc_bioset(NULL, 1, REQ_OP_READ, GFP_NOFS,
 				      &btrfs_repair_bioset);
 	repair_bio->bi_iter.bi_sector = failed_bbio->saved_iter.bi_sector;
-	bio_add_page(repair_bio, bv->bv_page, bv->bv_len, bv->bv_offset);
+	__bio_add_page(repair_bio, bv->bv_page, bv->bv_len, bv->bv_offset);
 
 	repair_bbio = btrfs_bio(repair_bio);
 	btrfs_bio_init(repair_bbio, failed_bbio->inode, NULL, fbio);
-- 
2.39.2





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