linux-kernel - Re: [RFC PATCH 00/11] pcache: Persistent Memory Cache for Block Devices

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Message-ID: <15e2151a-d788-48eb-8588-1d9a930c64dd@kernel.dk>
Date: Tue, 15 Apr 2025 19:04:09 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Dan Williams <dan.j.williams@...el.com>,
 Dongsheng Yang <dongsheng.yang@...ux.dev>, hch@....de,
 gregory.price@...verge.com, John@...ves.net, Jonathan.Cameron@...wei.com,
 bbhushan2@...vell.com, chaitanyak@...dia.com, rdunlap@...radead.org
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-cxl@...r.kernel.org, linux-bcache@...r.kernel.org,
 nvdimm@...ts.linux.dev
Subject: Re: [RFC PATCH 00/11] pcache: Persistent Memory Cache for Block
 Devices

On 4/15/25 12:00 PM, Dan Williams wrote:
> Thanks for making the comparison chart. The immediate question this
> raises is why not add "multi-tree per backend", "log structured
> writeback", "readcache", and "CRC" support to dm-writecache?
> device-mapper is everywhere, has a long track record, and enhancing it
> immediately engages a community of folks in this space.

Strongly agree.

-- 
Jens Axboe