Messages in this thread | | | From | David Howells <> | Subject | Re: [GIT PULL] fscache rewrite -- please drop for now | Date | Mon, 10 Aug 2020 16:48:08 +0100 |
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Steve French <smfrench@gmail.com> wrote:
> cifs.ko also can set rsize quite small (even 1K for example, although > that will be more than 10x slower than the default 4MB so hopefully no > one is crazy enough to do that).
You can set rsize < PAGE_SIZE?
> I can't imagine an SMB3 server negotiating an rsize or wsize smaller than > 64K in today's world (and typical is 1MB to 8MB) but the user can specify a > much smaller rsize on mount. If 64K is an adequate minimum, we could change > the cifs mount option parsing to require a certain minimum rsize if fscache > is selected.
I've borrowed the 256K granule size used by various AFS implementations for the moment. A 512-byte xattr can thus hold a bitmap covering 1G of file space.
David
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