Re: store a pointer to the block_device in struct bio (again)

store a pointer to the block_device in struct bio (again) · Christoph Hellwig <hch@lst.de> · 2020-12-01
[PATCH 1/9] brd: remove the end of device check in brd_do_bvec · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 1/9] brd: remove the end of device check in brd_do_bvec · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 4/9] block: simplify submit_bio_checks a bit · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 4/9] block: simplify submit_bio_checks a bit · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 2/9] dcssblk: remove the end of device check in brd_do_bvec · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 2/9] dcssblk: remove the end of device check in brd_do_bvec · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 5/9] block: use ->bi_bdev for bio based I/O accounting · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 5/9] block: use ->bi_bdev for bio based I/O accounting · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 3/9] block: store a block_device pointer in struct bio · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Tejun Heo <tj@kernel.org> · 2020-12-02
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Ming Lei <hidden> · 2020-12-03
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Ming Lei <hidden> · 2020-12-03
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Christoph Hellwig <hch@lst.de> · 2020-12-03
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Ming Lei <hidden> · 2020-12-03
Re: [PATCH 3/9] block: store a block_device pointer in struct bio · Keith Busch <kbusch@kernel.org> · 2020-12-03
[PATCH 6/9] blk-mq: use ->bi_bdev for I/O accounting · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 6/9] blk-mq: use ->bi_bdev for I/O accounting · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 7/9] block: add a disk_uevent helper · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 7/9] block: add a disk_uevent helper · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 8/9] block: remove DISK_PITER_REVERSE · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 8/9] block: remove DISK_PITER_REVERSE · Tejun Heo <tj@kernel.org> · 2020-12-02
[PATCH 9/9] block: use an xarray for disk->part_tbl · Christoph Hellwig <hch@lst.de> · 2020-12-01
Re: [PATCH 9/9] block: use an xarray for disk->part_tbl · Tejun Heo <tj@kernel.org> · 2020-12-02
Re: store a pointer to the block_device in struct bio (again) · Tejun Heo <tj@kernel.org> · 2020-12-02
Re: store a pointer to the block_device in struct bio (again) · Tejun Heo <tj@kernel.org> · 2020-12-02
Re: store a pointer to the block_device in struct bio (again) · Jens Axboe <axboe@kernel.dk> · 2020-12-04
Re: store a pointer to the block_device in struct bio (again) · Qian Cai <hidden> · 2020-12-07
Re: store a pointer to the block_device in struct bio (again) · Christoph Hellwig <hch@lst.de> · 2020-12-07
Re: store a pointer to the block_device in struct bio (again) · Jens Axboe <axboe@kernel.dk> · 2020-12-07
Re: store a pointer to the block_device in struct bio (again) · Christoph Hellwig <hch@lst.de> · 2020-12-08
Re: store a pointer to the block_device in struct bio (again) · Qian Cai <hidden> · 2020-12-08
Re: store a pointer to the block_device in struct bio (again) · Daniel Wagner <hidden> · 2020-12-08
Re: store a pointer to the block_device in struct bio (again) · Jens Axboe <axboe@kernel.dk> · 2020-12-08

From: Daniel Wagner <hidden>
Date: 2020-12-08 13:39:10
Also in: dm-devel, linux-bcache, linux-block, linux-next, linux-s390

On Tue, Dec 08, 2020 at 12:04:03PM +0100, Christoph Hellwig wrote:

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?

FWIW, I tried linux-next yesterday and got the root fs (btrfs)
corrupted. It is a very simple setup, just plain FS on SCSI device.

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