[PATCH v3 12/19] zonefs: use __bio_add_page for adding single page to bio

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From: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>

The zonefs superblock reading 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>
Acked-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
---
 fs/zonefs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 23b8b299c64e..9350221abfc5 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -1128,7 +1128,7 @@ static int zonefs_read_super(struct super_block *sb)
 
 	bio_init(&bio, sb->s_bdev, &bio_vec, 1, REQ_OP_READ);
 	bio.bi_iter.bi_sector = 0;
-	bio_add_page(&bio, page, PAGE_SIZE, 0);
+	__bio_add_page(&bio, page, PAGE_SIZE, 0);
 
 	ret = submit_bio_wait(&bio);
 	if (ret)
-- 
2.39.2





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