Re: [RFC PATCH] fuse: support splice() reading from fuse device

From: Jens Axboe
Date: Thu May 20 2010 - 07:28:28 EST


On Thu, May 20 2010, Miklos Szeredi wrote:
> This continues zero copy I/O support on the fuse interface. The first
> part of the patchset (splice write support on fuse device) was posted
> here:
>
> http://lkml.org/lkml/2010/4/28/215
>
> With Jens' pipe growing patch and additional fuse patches it was
> possible to achieve a 20GBytes/s write throghput on my laptop in a
> "null" filesystem (no page cache, data goes to /dev/null).

Do you have some numbers on how that compares to the same test with the
default 16 page pipe size?

--
Jens Axboe

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