From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Thumshirn Date: Thu, 20 Apr 2023 12:04:48 +0200 Subject: [Cluster-devel] [PATCH v4 09/22] btrfs: raid56: use __bio_add_page to add single page In-Reply-To: <20230420100501.32981-1-jth@kernel.org> References: <20230420100501.32981-1-jth@kernel.org> Message-ID: <20230420100501.32981-10-jth@kernel.org> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit From: Johannes Thumshirn The btrfs raid58 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. Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal --- fs/btrfs/raid56.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 642828c1b299..c8173e003df6 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1108,7 +1108,7 @@ 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; } -- 2.39.2