linux-ext4 - [PATCH RFC v2 for-6.8/block 08/18] bio: export bio_add_folio

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Message-Id: <20231211140552.973290-9-yukuai1@huaweicloud.com>
Date: Mon, 11 Dec 2023 22:05:42 +0800
From: Yu Kuai <yukuai1@...weicloud.com>
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Subject: [PATCH RFC v2 for-6.8/block 08/18] bio: export bio_add_folio_nofail()

From: Yu Kuai <yukuai3@...wei.com>

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@...wei.com>
---
 block/bio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/bio.c b/block/bio.c
index 5eba53ca953b..a7b2bbb210ee 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1119,6 +1119,7 @@ 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