Re: [PATCH 9/9] block: use an xarray for disk->part_tbl

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: Tejun Heo <tj@kernel.org>
Date: 2020-12-02 23:23:18
Also in: dm-devel, linux-bcache, linux-block, linux-s390

On Tue, Dec 01, 2020 at 05:54:24PM +0100, Christoph Hellwig wrote:

Now that no fast path lookups in the partition table are left, there is
no point in micro-optimizing the data structure for it.  Just use a bog
standard xarray.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Tejun Heo <tj@kernel.org>

Thanks!

-- 
tejun

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