From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: Tejun Heo <tj@kernel.org>, Coly Li <colyli@suse.de>,
Song Liu <song@kernel.org>,
dm-devel@redhat.com, linux-bcache@vger.kernel.org,
linux-raid@vger.kernel.org, linux-s390@vger.kernel.org,
linux-block@vger.kernel.org
Subject: Re: store a pointer to the block_device in struct bio (again) v2
Date: Mon, 25 Jan 2021 09:24:03 -0700 [thread overview]
Message-ID: <86dd18e9-43e9-efe5-8445-88952a95b5d8@kernel.dk> (raw)
In-Reply-To: <20210124100241.1167849-1-hch@lst.de>
On 1/24/21 3:02 AM, Christoph Hellwig wrote:
> Hi Jens,
>
> this series switches back from storing the gendisk + partno to storing
> a block_device pointer in struct bio. The reason is two fold: for one
> the new struct block_device actually is always available, removing the
> need to avoid originally. Second the merge struct block_device is much
> more useful than the old one, as storing it avoids the need for looking
> up what used to be hd_struct during partition remapping and I/O
> accounting.
Applied for 5.12, thanks.
--
Jens Axboe
WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-s390@vger.kernel.org, linux-bcache@vger.kernel.org,
Coly Li <colyli@suse.de>,
linux-raid@vger.kernel.org, Song Liu <song@kernel.org>,
dm-devel@redhat.com, linux-block@vger.kernel.org,
Tejun Heo <tj@kernel.org>
Subject: Re: [dm-devel] store a pointer to the block_device in struct bio (again) v2
Date: Mon, 25 Jan 2021 09:24:03 -0700 [thread overview]
Message-ID: <86dd18e9-43e9-efe5-8445-88952a95b5d8@kernel.dk> (raw)
In-Reply-To: <20210124100241.1167849-1-hch@lst.de>
On 1/24/21 3:02 AM, Christoph Hellwig wrote:
> Hi Jens,
>
> this series switches back from storing the gendisk + partno to storing
> a block_device pointer in struct bio. The reason is two fold: for one
> the new struct block_device actually is always available, removing the
> need to avoid originally. Second the merge struct block_device is much
> more useful than the old one, as storing it avoids the need for looking
> up what used to be hd_struct during partition remapping and I/O
> accounting.
Applied for 5.12, thanks.
--
Jens Axboe
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2021-01-25 16:25 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-24 10:02 store a pointer to the block_device in struct bio (again) v2 Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-24 10:02 ` [PATCH 01/10] brd: remove the end of device check in brd_do_bvec Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 13:51 ` Johannes Thumshirn
2021-01-25 13:51 ` [dm-devel] " Johannes Thumshirn
2021-01-24 10:02 ` [PATCH 02/10] dcssblk: remove the end of device check in dcssblk_submit_bio Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 13:52 ` Johannes Thumshirn
2021-01-25 13:52 ` [dm-devel] " Johannes Thumshirn
2021-01-24 10:02 ` [PATCH 03/10] block: store a block_device pointer in struct bio Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-24 10:02 ` [PATCH 04/10] block: simplify submit_bio_checks a bit Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 14:02 ` Johannes Thumshirn
2021-01-25 14:02 ` [dm-devel] " Johannes Thumshirn
2021-01-24 10:02 ` [PATCH 05/10] block: do not reassig ->bi_bdev when partition remapping Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 17:53 ` Jens Axboe
2021-01-25 17:53 ` [dm-devel] " Jens Axboe
2021-01-25 17:53 ` Jens Axboe
2021-01-25 17:55 ` Christoph Hellwig
2021-01-25 17:55 ` [dm-devel] " Christoph Hellwig
2021-01-25 17:55 ` Christoph Hellwig
2021-01-25 17:57 ` [dm-devel] " Jens Axboe
2021-01-25 18:03 ` Jens Axboe
2021-01-25 18:03 ` [dm-devel] " Jens Axboe
2021-01-25 18:03 ` Jens Axboe
2021-01-25 18:13 ` Christoph Hellwig
2021-01-25 18:13 ` [dm-devel] " Christoph Hellwig
2021-01-25 18:13 ` Christoph Hellwig
2021-01-25 18:15 ` Jens Axboe
2021-01-25 18:15 ` [dm-devel] " Jens Axboe
2021-01-25 18:15 ` Jens Axboe
2021-01-25 18:18 ` Christoph Hellwig
2021-01-25 18:18 ` [dm-devel] " Christoph Hellwig
2021-01-25 18:18 ` Christoph Hellwig
2021-01-25 18:19 ` Jens Axboe
2021-01-25 18:19 ` [dm-devel] " Jens Axboe
2021-01-25 18:19 ` Jens Axboe
2021-01-25 18:21 ` Christoph Hellwig
2021-01-25 18:21 ` [dm-devel] " Christoph Hellwig
2021-01-25 18:21 ` Christoph Hellwig
2021-01-25 18:31 ` Jens Axboe
2021-01-25 18:31 ` [dm-devel] " Jens Axboe
2021-01-25 18:31 ` Jens Axboe
2021-01-24 10:02 ` [PATCH 06/10] block: use ->bi_bdev for bio based I/O accounting Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-24 10:02 ` [PATCH 07/10] blk-mq: use ->bi_bdev for " Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-24 10:02 ` [PATCH 08/10] block: add a disk_uevent helper Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 14:14 ` Johannes Thumshirn
2021-01-25 14:14 ` [dm-devel] " Johannes Thumshirn
2021-01-24 10:02 ` [PATCH 09/10] block: remove DISK_PITER_REVERSE Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-24 10:02 ` [PATCH 10/10] block: use an xarray for disk->part_tbl Christoph Hellwig
2021-01-24 10:02 ` [dm-devel] " Christoph Hellwig
2021-01-25 16:24 ` Jens Axboe [this message]
2021-01-25 16:24 ` [dm-devel] store a pointer to the block_device in struct bio (again) v2 Jens Axboe
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