linux-kernel - Re: [PATCH v2] block: fix regression where bio_integrity_process uses wrong bio

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Message-ID: <yq161e2sgnl.fsf@sermon.lab.mkp.net>
Date:	Tue, 25 Nov 2014 23:57:18 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	Jens Axboe <axboe@...nel.dk>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH v2] block: fix regression where bio_integrity_process uses wrong bio_vec iterator

>>>>> "Darrick" == Darrick J Wong <darrick.wong@...cle.com> writes:

Darrick> Therefore, teach bio_integrity_process() to use
Darrick> bio_for_each_segment() to iterate the bio_vecs, since the
Darrick> per-bio iterator tracks which bio_vecs are associated with that
Darrick> particular bio.  The integrity handling code is effectively
Darrick> part of the "driver" (it's not the bio owner), so it must use
Darrick> the correct iterator function.

Acked-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering
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