linux-block.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
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 v2 5/8] block: respect bio_required_sector_alignment() in blk-crypto-fallback
Date: Thu, 25 Mar 2021 21:26:06 +0000	[thread overview]
Message-ID: <20210325212609.492188-6-satyat@google.com> (raw)
In-Reply-To: <20210325212609.492188-1-satyat@google.com>

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

Signed-off-by: Satya Tangirala <satyat@google.com>
---
 block/blk-crypto-fallback.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
index c322176a1e09..85c813ef670b 100644
--- a/block/blk-crypto-fallback.c
+++ b/block/blk-crypto-fallback.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/random.h>
 
+#include "blk.h"
 #include "blk-crypto-internal.h"
 
 static unsigned int num_prealloc_bounce_pg = 32;
@@ -225,6 +226,8 @@ 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(num_sectors,
+					 bio_required_sector_alignment(bio));
 		split_bio = bio_split(bio, num_sectors, GFP_NOIO,
 				      &crypto_bio_split);
 		if (!split_bio) {
-- 
2.31.0.291.g576ba9dcdaf-goog


  parent reply	other threads:[~2021-03-25 21:28 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25 21:26 [PATCH v2 0/8] ensure bios aren't split in middle of crypto data unit Satya Tangirala
2021-03-25 21:26 ` [PATCH v2 1/8] block: introduce blk_ksm_is_empty() Satya Tangirala
2021-03-30 18:04   ` Christoph Hellwig
2021-04-15 19:21   ` Eric Biggers
2021-03-25 21:26 ` [PATCH v2 2/8] dm,mmc,ufshcd: handle error from blk_ksm_register() Satya Tangirala
2021-04-15 19:27   ` Eric Biggers
2021-03-25 21:26 ` [PATCH v2 3/8] block: blk-crypto: introduce blk_crypto_bio_sectors_alignment() Satya Tangirala
2021-04-15 19:33   ` Eric Biggers
2021-03-25 21:26 ` [PATCH v2 4/8] block: introduce bio_required_sector_alignment() Satya Tangirala
2021-03-30 18:06   ` Christoph Hellwig
2021-04-15 19:37     ` Eric Biggers
2021-04-15 19:44   ` Eric Biggers
2021-03-25 21:26 ` Satya Tangirala [this message]
2021-04-15 19:45   ` [PATCH v2 5/8] block: respect bio_required_sector_alignment() in blk-crypto-fallback Eric Biggers
2021-03-25 21:26 ` [PATCH v2 6/8] block: keyslot-manager: introduce blk_ksm_restrict_dus_to_queue_limits() Satya Tangirala
2021-03-26  3:50   ` kernel test robot
2021-03-26  6:28   ` kernel test robot
2021-04-15 19:55   ` Eric Biggers
2021-03-25 21:26 ` [PATCH v2 7/8] blk-merge: Ensure bios aren't split in middle of a crypto data unit Satya Tangirala
2021-03-25 21:26 ` [PATCH v2 8/8] block: add WARN() in bio_split() for sector alignment Satya Tangirala
2021-03-26  3:47   ` Bart Van Assche
2021-04-15 20:00   ` Eric Biggers
2021-03-25 21:51 ` [PATCH v2 0/8] ensure bios aren't split in middle of crypto data unit Bart Van Assche
2021-03-26  1:39   ` Satya Tangirala
2021-03-26  3:46     ` Bart Van Assche
2021-03-26  7:56       ` Satya Tangirala

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210325212609.492188-6-satyat@google.com \
    --to=satyat@google.com \
    --cc=axboe@kernel.dk \
    --cc=ebiggers@google.com \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --subject='Re: [PATCH v2 5/8] block: respect bio_required_sector_alignment() in blk-crypto-fallback' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
on how to clone and mirror all data and code used for this inbox