[PATCH 4/7] block: respect blk_crypto_bio_sectors_alignment() in blk-crypto-fallback

[Satya Tangirala]

Make blk_crypto_split_bio_if_needed() respect
blk_crypto_bio_sectors_alignment() when calling bio_split().

Signed-off-by: Satya Tangirala <sat...@google.com>
---
 block/blk-crypto-fallback.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index c162b754efbd..77e20175df40 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -222,6 +222,8 @@ static bool blk_crypto_split_bio_if_needed(struct bio 
**bio_ptr)
        if (num_sectors < bio_sectors(bio)) {
                struct bio *split_bio;
 
+               num_sectors = round_down(len,
+                                        blk_crypto_bio_sectors_alignment(bio));
                split_bio = bio_split(bio, num_sectors, GFP_NOIO, NULL);
                if (!split_bio) {
                        bio->bi_status = BLK_STS_RESOURCE;
-- 
2.30.0.284.gd98b1dd5eaa7-goog