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From: "hch@lst.de" <hch@lst.de>
To: Jinyoung CHOI <j-young.choi@samsung.com>
Cc: "axboe@kernel.dk" <axboe@kernel.dk>,
	"kbusch@kernel.org" <kbusch@kernel.org>,
	"hch@lst.de" <hch@lst.de>, "sagi@grimberg.me" <sagi@grimberg.me>,
	"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"johannes.thumshirn@wdc.com" <johannes.thumshirn@wdc.com>,
	"kch@nvidia.com" <kch@nvidia.com>,
	"willy@infradead.org" <willy@infradead.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 04/14] block: fix not to apply bip information in blk_rq_bio_prep()
Date: Fri, 12 May 2023 15:47:09 +0200	[thread overview]
Message-ID: <20230512134709.GC32242@lst.de> (raw)
In-Reply-To: <20230510085111epcms2p7022e97fd97c1a32c59f935d72f8dda94@epcms2p7>

> +#if defined(CONFIG_BLK_DEV_INTEGRITY)

The normal style is to use #ifdef.

> +	if (bio_integrity(bio))
> +		rq->nr_integrity_segments = bio_integrity(bio)->bip_vcnt;
> +#endif
> >

Don't we need to walk the iter here, as it might already have been
advanced?  Although it seems nothing in the integrity code follows
that model right now, so I'm not quite sure how it's even working with
clones at the moment.

  reply	other threads:[~2023-05-12 13:47 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20230510084407epcms2p123f17696d3c30c749897eeaf2c4de684@epcms2p1>
2023-05-10  8:44 ` [PATCH v2 00/14] Change the integrity configuration method in block Jinyoung CHOI
2023-05-10  8:46   ` [PATCH v2 01/14] block: bio: separation to reuse a part of the function Jinyoung CHOI
2023-05-10  8:48   ` [PATCH v2 02/14] block: bio-integrity: modify bio_integrity_add_page() Jinyoung CHOI
2023-05-12 13:43     ` hch
2023-05-16 12:54       ` Jinyoung CHOI
2023-05-10  8:50   ` [PATCH v2 03/14] block: bio-integrity: cleanup bio_integrity_prep Jinyoung CHOI
2023-05-12 13:45     ` hch
2023-05-10  8:51   ` [PATCH v2 04/14] block: fix not to apply bip information in blk_rq_bio_prep() Jinyoung CHOI
2023-05-12 13:47     ` hch [this message]
2023-05-10  8:52   ` [PATCH v2 05/14] block: blk-merge: fix to add the number of integrity segments to the request twice Jinyoung CHOI
2023-05-12 13:51     ` hch
2023-05-16 13:24       ` Jinyoung CHOI
2023-05-10  8:53   ` [PATCH v2 06/14] block: blk-merge: fix merging two requests in ll_merge_requests_fn Jinyoung CHOI
2023-05-10  8:53   ` [PATCH v2 07/14] block: add helper function to get the number of integrity segments Jinyoung CHOI
2023-05-10  8:56   ` [PATCH v2 08/14] scsi: add scsi_alloc_integrity_sgtables() for integrity process Jinyoung CHOI
2023-05-12 13:52     ` hch
2023-05-17  2:20       ` Jinyoung CHOI
2023-05-10  8:56   ` [PATCH v2 09/14] scsi: change to use blk_rq_nr_integrity_segments() instead of blk_rq_count_integrity_sg() Jinyoung CHOI
2023-05-10  8:58   ` [PATCH v2 10/14] block: blk-integrity: change how to find the number of integrity of bio Jinyoung CHOI
2023-05-10  8:59   ` [PATCH v2 11/14] nvme: rdma: change how to find the number of integrity of request Jinyoung CHOI
2023-05-10  8:59   ` [PATCH v2 12/14] block: add helper function for iteration of bip's bvec Jinyoung CHOI
2023-05-12 13:54     ` hch
2023-05-17  2:35       ` Jinyoung CHOI
2023-05-10  9:00   ` [PATCH v2 13/14] block: blk-integrity: change sg-table configuration method for integrity Jinyoung CHOI
2023-05-10  9:01   ` [PATCH v2 14/14] block: blk-integrity: remove blk_rq_count_integrity_sg() Jinyoung CHOI

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