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From: Satya Tangirala <satyat@google.com>
To: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>, Eric Biggers <ebiggers@google.com>,
	Satya Tangirala <satyat@google.com>
Subject: [PATCH 4/7] block: respect blk_crypto_bio_sectors_alignment() in blk-crypto-fallback
Date: Thu, 14 Jan 2021 15:47:20 +0000	[thread overview]
Message-ID: <20210114154723.2495814-5-satyat@google.com> (raw)
In-Reply-To: <20210114154723.2495814-1-satyat@google.com>

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

Signed-off-by: Satya Tangirala <satyat@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


  parent reply	other threads:[~2021-01-14 15:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14 15:47 [PATCH 0/7] ensure bios aren't split in middle of crypto data unit Satya Tangirala
2021-01-14 15:47 ` [PATCH 1/7] block: make blk_bio_segment_split() able to fail and return error Satya Tangirala
2021-01-14 15:47 ` [PATCH 2/7] block: blk-crypto: Introduce blk_crypto_bio_sectors_alignment() Satya Tangirala
2021-01-14 15:47 ` [PATCH 3/7] block: respect blk_crypto_bio_sectors_alignment() in bounce.c Satya Tangirala
2021-01-21 17:13   ` Christoph Hellwig
2021-01-14 15:47 ` Satya Tangirala [this message]
2021-01-14 15:47 ` [PATCH 5/7] block: respect blk_crypto_bio_sectors_alignment() in blk-merge Satya Tangirala
2021-01-14 15:47 ` [PATCH 6/7] block: add WARN() in bio_split() for sector alignment Satya Tangirala
2021-01-14 15:47 ` [PATCH 7/7] block: compute nsegs more accurately in blk_bio_segment_split() Satya Tangirala
2021-01-21 17:11 ` [PATCH 0/7] ensure bios aren't split in middle of crypto data unit Christoph Hellwig
2021-03-25 21:41   ` Satya Tangirala

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