[PATCH 3/4] md: dm-crypt: move crypt_free_buffer_pages ahead

From: Yang Shi
Date: Wed Oct 05 2022 - 14:04:38 EST


With moving crypt_free_buffer_pages() before crypt_alloc_buffer(), we
don't need an extra declaration anymore.

Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>
---
drivers/md/dm-crypt.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 159c6806c19b..85ac1f9b37ae 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1639,7 +1639,16 @@ static blk_status_t crypt_convert(struct crypt_config *cc,
return 0;
}

-static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
+static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)
+{
+ struct bio_vec *bv;
+ struct bvec_iter_all iter_all;
+
+ bio_for_each_segment_all(bv, clone, iter_all) {
+ BUG_ON(!bv->bv_page);
+ mempool_free(bv->bv_page, &cc->page_pool);
+ }
+}

/*
* Generate a new unfragmented bio with the given size
@@ -1707,17 +1716,6 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size)
return clone;
}

-static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)
-{
- struct bio_vec *bv;
- struct bvec_iter_all iter_all;
-
- bio_for_each_segment_all(bv, clone, iter_all) {
- BUG_ON(!bv->bv_page);
- mempool_free(bv->bv_page, &cc->page_pool);
- }
-}
-
static void crypt_io_init(struct dm_crypt_io *io, struct crypt_config *cc,
struct bio *bio, sector_t sector)
{
--
2.26.3