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From: Christoph Hellwig <hch@infradead.org>
To: Satya Tangirala <satyat@google.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-ext4@vger.kernel.org,
	Barani Muthukumaran <bmuthuku@qti.qualcomm.com>,
	Kuohong Wang <kuohong.wang@mediatek.com>,
	Kim Boojin <boojin.kim@samsung.com>
Subject: Re: [PATCH v10 03/12] block: Inline encryption support for blk-mq
Date: Mon, 27 Apr 2020 22:21:37 -0700	[thread overview]
Message-ID: <20200428052137.GA18572@infradead.org> (raw)
In-Reply-To: <20200428025400.GB52406@google.com>

On Tue, Apr 28, 2020 at 02:54:00AM +0000, Satya Tangirala wrote:
> It's modified by additions in the next patch in the series and I
> thought I should introduce the function with the final type from the
> get go - is that alright?

It is probably ok, let me review the next patch in more detail.

> > >  	__blk_queue_split(q, &bio, &nr_segs);
> > > @@ -2011,6 +2015,15 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
> > >  
> > >  	blk_mq_bio_to_request(rq, bio, nr_segs);
> > >  
> > > +	ret = blk_crypto_init_request(rq);
> > > +	if (ret != BLK_STS_OK) {
> > > +		bio->bi_status = ret;
> > > +		bio_endio(bio);
> > > +		blk_mq_free_request(rq);
> > > +		return BLK_QC_T_NONE;
> > > +	}
> > 
> > Didn't Eric have a comment last round that we shoul dtry this before
> > attaching the bio to simplify error handling?
> > 
> In the previous round, I believe Eric commented that I should call
> blk_crypto_init_request after bio_to_request so that we can do away
> with some of the arguments to blk_crypto_init_request and also a
> boilerplate function used only while calling blk_crypto_init_request.
> I realize you wrote "And we can fail just the request on an error, so
> yes this doesn't seem too bad." in response to this particular
> comment of Eric's, and it seems I might not actually have understood
> what that meant - did you have something in mind different from what I'm
> doing here?

No, this looks ok, sorry for the noise.

  reply	other threads:[~2020-04-28  5:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-08  3:56 [PATCH v10 00/12] Inline Encryption Support Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 01/12] Documentation: Document the blk-crypto framework Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 02/12] block: Keyslot Manager for Inline Encryption Satya Tangirala
2020-04-22  9:22   ` Christoph Hellwig
2020-04-28  2:14     ` Satya Tangirala
2020-04-28  2:46       ` Eric Biggers
2020-04-28  2:57         ` Eric Biggers
2020-04-28  5:19           ` Christoph Hellwig
2020-04-08  3:56 ` [PATCH v10 03/12] block: Inline encryption support for blk-mq Satya Tangirala
2020-04-22  9:35   ` Christoph Hellwig
2020-04-28  2:54     ` Satya Tangirala
2020-04-28  5:21       ` Christoph Hellwig [this message]
2020-04-08  3:56 ` [PATCH v10 04/12] block: Make blk-integrity preclude hardware inline encryption Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 05/12] block: blk-crypto-fallback for Inline Encryption Satya Tangirala
2020-04-22  9:37   ` Christoph Hellwig
2020-04-08  3:56 ` [PATCH v10 06/12] scsi: ufs: UFS driver v2.1 spec crypto additions Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 07/12] scsi: ufs: UFS crypto API Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 08/12] scsi: ufs: Add inline encryption support to UFS Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 09/12] fs: introduce SB_INLINECRYPT Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 10/12] fscrypt: add inline encryption support Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 11/12] f2fs: " Satya Tangirala
2020-04-08  3:56 ` [PATCH v10 12/12] ext4: " Satya Tangirala
2020-04-08  4:18 ` [PATCH v10 00/12] Inline Encryption Support Eric Biggers

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