Re: [PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions

[PATCHSET v2 0/5] Enable alloc caching and batched freeing for passthrough · Jens Axboe <axboe@kernel.dk> · 2022-09-27
[PATCH 1/5] block: enable batched allocation for blk_mq_alloc_request() · Jens Axboe <axboe@kernel.dk> · 2022-09-27
Re: [PATCH 1/5] block: enable batched allocation for blk_mq_alloc_request() · Anuj gupta <hidden> · 2022-09-28
[PATCH 3/5] block: allow end_io based requests in the completion batch handling · Jens Axboe <axboe@kernel.dk> · 2022-09-27
Re: [PATCH 3/5] block: allow end_io based requests in the completion batch handling · Anuj gupta <hidden> · 2022-09-28
[PATCH 2/5] block: change request end_io handler to pass back a return value · Jens Axboe <axboe@kernel.dk> · 2022-09-27
[PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions · Jens Axboe <axboe@kernel.dk> · 2022-09-27
Re: [PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions · Christoph Hellwig <hch@infradead.org> · 2022-09-27
Re: [PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions · Anuj gupta <hidden> · 2022-09-28
Re: [PATCH 4/5] nvme: split out metadata vs non metadata end_io uring_cmd completions · Sagi Grimberg <sagi@grimberg.me> · 2022-09-28
[PATCH 5/5] nvme: enable batched completions of passthrough IO · Jens Axboe <axboe@kernel.dk> · 2022-09-27
Re: [PATCH 5/5] nvme: enable batched completions of passthrough IO · Anuj gupta <hidden> · 2022-09-28
Re: [PATCH 5/5] nvme: enable batched completions of passthrough IO · Sagi Grimberg <sagi@grimberg.me> · 2022-09-28
Re: [PATCHSET v2 0/5] Enable alloc caching and batched freeing for passthrough · Anuj gupta <hidden> · 2022-09-28
Re: [PATCHSET v2 0/5] Enable alloc caching and batched freeing for passthrough · Jens Axboe <axboe@kernel.dk> · 2022-09-28
Re: [PATCHSET v2 0/5] Enable alloc caching and batched freeing for passthrough · Keith Busch <kbusch@kernel.org> · 2022-09-28

From: Christoph Hellwig <hch@infradead.org>
Date: 2022-09-27 07:50:51
Also in: linux-nvme, linux-scsi

On Mon, Sep 26, 2022 at 07:44:19PM -0600, Jens Axboe wrote:

By splitting up the metadata and non-metadata end_io handling, we can
remove any request dependencies on the normal non-metadata IO path. This
is in preparation for enabling the normal IO passthrough path to pass
the ownership of the request back to the block layer.

Co-developed-by: Stefan Roesch <redacted>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Looks good:

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

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