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)
Date: Fri, 4 Dec 2020 09:43:00 -0700 [thread overview]
Message-ID: <285e5e82-2e9c-a1db-b9b6-b82ec95aea6d@kernel.dk> (raw)
In-Reply-To: <20201201165424.2030647-1-hch@lst.de>
On 12/1/20 9:54 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.
>
> Note that this series depends on the posted but not merged
> "block tracepoint cleanups" series.
Applied, thanks.
--
Jens Axboe
next prev parent reply other threads:[~2020-12-04 16:43 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 16:54 store a pointer to the block_device in struct bio (again) Christoph Hellwig
2020-12-01 16:54 ` [PATCH 1/9] brd: remove the end of device check in brd_do_bvec Christoph Hellwig
2020-12-02 22:39 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 2/9] dcssblk: " Christoph Hellwig
2020-12-02 22:39 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 3/9] block: store a block_device pointer in struct bio Christoph Hellwig
2020-12-02 22:54 ` Tejun Heo
2020-12-03 6:39 ` Ming Lei
2020-12-03 7:10 ` Ming Lei
2020-12-03 8:29 ` Christoph Hellwig
2020-12-03 9:32 ` Ming Lei
2020-12-03 20:53 ` Keith Busch
2020-12-01 16:54 ` [PATCH 4/9] block: simplify submit_bio_checks a bit Christoph Hellwig
2020-12-02 22:55 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 5/9] block: use ->bi_bdev for bio based I/O accounting Christoph Hellwig
2020-12-02 23:05 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 6/9] blk-mq: use ->bi_bdev for " Christoph Hellwig
2020-12-02 23:06 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 7/9] block: add a disk_uevent helper Christoph Hellwig
2020-12-02 23:08 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 8/9] block: remove DISK_PITER_REVERSE Christoph Hellwig
2020-12-02 23:15 ` Tejun Heo
2020-12-01 16:54 ` [PATCH 9/9] block: use an xarray for disk->part_tbl Christoph Hellwig
2020-12-02 23:22 ` Tejun Heo
2020-12-02 22:35 ` store a pointer to the block_device in struct bio (again) Tejun Heo
2020-12-02 22:37 ` Tejun Heo
2020-12-04 16:43 ` Jens Axboe [this message]
2020-12-07 18:56 ` Qian Cai
2020-12-07 19:01 ` Christoph Hellwig
2020-12-07 20:20 ` Jens Axboe
2020-12-08 11:04 ` Christoph Hellwig
2020-12-08 13:08 ` Qian Cai
2020-12-08 13:38 ` Daniel Wagner
2020-12-08 14:15 ` Jens Axboe
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