Steve French <smfrench@xxxxxxxxx> 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
