From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>, Qian Cai <qcai@redhat.com>
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,
Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: store a pointer to the block_device in struct bio (again)
Date: Tue, 8 Dec 2020 07:15:43 -0700 [thread overview]
Message-ID: <cc95b9eb-6278-4b0d-6cf9-19c35714bfe7@kernel.dk> (raw)
In-Reply-To: <20201208110403.GA22179@lst.de>
On 12/8/20 4:04 AM, Christoph Hellwig wrote:
> Hi Qian,
>
> can you send me details of your device mapper setup, e.g. which targets
> are used, are they used on top of whole device or partitions. Do you
> use partitions on top of the dm devices? Are any other stacking devices
> involved?
Don't think this needs anything fancy at all - I know Pavel got his
test box corrupted, and mine did as well. Looks like it pretty much
affected everyone that got unlucky enough to try it, not great...
Mine is just ext4 root on nvme.
--
Jens Axboe
WARNING: multiple messages have this Message-ID (diff)
From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@lst.de>, Qian Cai <qcai@redhat.com>
Cc: linux-s390@vger.kernel.org,
Stephen Rothwell <sfr@canb.auug.org.au>,
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 Next Mailing List <linux-next@vger.kernel.org>,
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)
Date: Tue, 8 Dec 2020 07:15:43 -0700 [thread overview]
Message-ID: <cc95b9eb-6278-4b0d-6cf9-19c35714bfe7@kernel.dk> (raw)
In-Reply-To: <20201208110403.GA22179@lst.de>
On 12/8/20 4:04 AM, Christoph Hellwig wrote:
> Hi Qian,
>
> can you send me details of your device mapper setup, e.g. which targets
> are used, are they used on top of whole device or partitions. Do you
> use partitions on top of the dm devices? Are any other stacking devices
> involved?
Don't think this needs anything fancy at all - I know Pavel got his
test box corrupted, and mine did as well. Looks like it pretty much
affected everyone that got unlucky enough to try it, not great...
Mine is just ext4 root on nvme.
--
Jens Axboe
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2020-12-08 14:17 UTC|newest]
Thread overview: 68+ 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 ` [dm-devel] " Christoph Hellwig
2020-12-01 16:54 ` [PATCH 1/9] brd: remove the end of device check in brd_do_bvec Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 22:39 ` Tejun Heo
2020-12-02 22:39 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 2/9] dcssblk: " Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 22:39 ` Tejun Heo
2020-12-02 22:39 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 3/9] block: store a block_device pointer in struct bio Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 22:54 ` Tejun Heo
2020-12-02 22:54 ` [dm-devel] " Tejun Heo
2020-12-03 6:39 ` Ming Lei
2020-12-03 6:39 ` [dm-devel] " Ming Lei
2020-12-03 7:10 ` Ming Lei
2020-12-03 7:10 ` [dm-devel] " Ming Lei
2020-12-03 8:29 ` Christoph Hellwig
2020-12-03 8:29 ` [dm-devel] " Christoph Hellwig
2020-12-03 9:32 ` Ming Lei
2020-12-03 9:32 ` [dm-devel] " Ming Lei
2020-12-03 20:53 ` Keith Busch
2020-12-03 20:53 ` [dm-devel] " Keith Busch
2020-12-01 16:54 ` [PATCH 4/9] block: simplify submit_bio_checks a bit Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 22:55 ` Tejun Heo
2020-12-02 22:55 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 5/9] block: use ->bi_bdev for bio based I/O accounting Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 23:05 ` Tejun Heo
2020-12-02 23:05 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 6/9] blk-mq: use ->bi_bdev for " Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 23:06 ` Tejun Heo
2020-12-02 23:06 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 7/9] block: add a disk_uevent helper Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 23:08 ` Tejun Heo
2020-12-02 23:08 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 8/9] block: remove DISK_PITER_REVERSE Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 23:15 ` Tejun Heo
2020-12-02 23:15 ` [dm-devel] " Tejun Heo
2020-12-01 16:54 ` [PATCH 9/9] block: use an xarray for disk->part_tbl Christoph Hellwig
2020-12-01 16:54 ` [dm-devel] " Christoph Hellwig
2020-12-02 23:22 ` Tejun Heo
2020-12-02 23:22 ` [dm-devel] " Tejun Heo
2020-12-02 22:35 ` store a pointer to the block_device in struct bio (again) Tejun Heo
2020-12-02 22:35 ` [dm-devel] " Tejun Heo
2020-12-02 22:37 ` Tejun Heo
2020-12-02 22:37 ` [dm-devel] " Tejun Heo
2020-12-04 16:43 ` Jens Axboe
2020-12-04 16:43 ` [dm-devel] " Jens Axboe
2020-12-07 18:56 ` Qian Cai
2020-12-07 18:56 ` [dm-devel] " Qian Cai
2020-12-07 19:01 ` Christoph Hellwig
2020-12-07 19:01 ` [dm-devel] " Christoph Hellwig
2020-12-07 20:20 ` Jens Axboe
2020-12-07 20:20 ` [dm-devel] " Jens Axboe
2020-12-08 11:04 ` Christoph Hellwig
2020-12-08 11:04 ` [dm-devel] " Christoph Hellwig
2020-12-08 13:08 ` Qian Cai
2020-12-08 13:08 ` [dm-devel] " Qian Cai
2020-12-08 13:38 ` Daniel Wagner
2020-12-08 13:38 ` [dm-devel] " Daniel Wagner
2020-12-08 14:15 ` Jens Axboe [this message]
2020-12-08 14:15 ` Jens Axboe
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