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[PATCH RFC v3 for-6.8/block 08/17] bio: export bio_add_folio_nofail()
- To: axboe@xxxxxxxxx, roger.pau@xxxxxxxxxx, colyli@xxxxxxx, kent.overstreet@xxxxxxxxx, joern@xxxxxxxxxxxxxxx, miquel.raynal@xxxxxxxxxxx, richard@xxxxxx, vigneshr@xxxxxx, sth@xxxxxxxxxxxxx, hoeppner@xxxxxxxxxxxxx, hca@xxxxxxxxxxxxx, gor@xxxxxxxxxxxxx, agordeev@xxxxxxxxxxxxx, jejb@xxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, clm@xxxxxx, josef@xxxxxxxxxxxxxx, dsterba@xxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, brauner@xxxxxxxxxx, nico@xxxxxxxxxxx, xiang@xxxxxxxxxx, chao@xxxxxxxxxx, tytso@xxxxxxx, adilger.kernel@xxxxxxxxx, jack@xxxxxxxx, konishi.ryusuke@xxxxxxxxx, willy@xxxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, hare@xxxxxxx, p.raghav@xxxxxxxxxxx
- From: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
- Date: Thu, 21 Dec 2023 16:57:03 +0800
- Cc: linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-bcachefs@xxxxxxxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-erofs@xxxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, linux-nilfs@xxxxxxxxxxxxxxx, yukuai3@xxxxxxxxxx, yukuai1@xxxxxxxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx
- Delivery-date: Thu, 21 Dec 2023 08:59:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: Yu Kuai <yukuai3@xxxxxxxxxx>
Currently btrfs is using __bio_add_page() in write_dev_supers(). In order
to convert to use folio for bdev in btrfs, export bio_add_folio_nofail()
so that it can replace __bio_add_page().
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
block/bio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/bio.c b/block/bio.c
index b9642a41f286..c7459839ca40 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1122,6 +1122,7 @@ void bio_add_folio_nofail(struct bio *bio, struct folio
*folio, size_t len,
WARN_ON_ONCE(off > UINT_MAX);
__bio_add_page(bio, &folio->page, len, off);
}
+EXPORT_SYMBOL_GPL(bio_add_folio_nofail);
/**
* bio_add_folio - Attempt to add part of a folio to a bio.
--
2.39.2
|
