Messages in this thread | | | Date | Mon, 19 Sep 2011 10:28:03 +0300 | Subject | Re: [GIT] Bcache version 12 | From | Pekka Enberg <> |
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Hi Kent,
On Sat, Sep 10, 2011 at 9:45 AM, Kent Overstreet <kent.overstreet@gmail.com> wrote: > bcache, n.: a cache for arbitrary block devices that uses an SSD > > It's probably past time I started poking people to see about getting > this stuff in. It's synced up with mainline, the documentation is for > once relatively up to date, and it looks just about production ready. > > Suggestions are more than welcome on how to make it easier to review - > it's entirely too much code, I know (near 10k lines now). I'll be > emailing the patches that touch other parts of the kernel separately. > > Short overview: > Bcache does both writethrough and writeback caching. It presents itself > as a new block device, a bit like say md. You can cache an arbitrary > number of block devices with a single cache device, and attach and > detach things at runtime - it's quite flexible.
The changelog is pretty useless for people like myself who have never heard of bcache before because it lacks any explanation why bcache is useful (i.e. a real-world use case).
Pekka
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