Messages in this thread | | | Date | Tue, 5 Jun 2007 10:30:17 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH] support larger cifs network reads |
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On Thu, May 31, 2007 at 06:08:23PM -0500, Steve French wrote: > With Samba 3.0.26pre it is now possible for a cifs client (one which > supports the newest Unix/Posix cifs extensions) to request up to > almost 8MB at a time on a cifs read request. > > A patch for the cifs client to support larger reads follows. In this > patch, using very large reads is not the default behavior, since it > would require larger buffer allocations for the large cifs request > buffers, but in the future when cifs can demultiplex reads to a page > list in the cifs_demultiplex_thread (without having to copy to a large > temporary buffer) this will be even more useful.
Increasing this now doesn't make any sense - slab won't be able to create a 8MB cache on most architectures, and even if it could the wasted memory would be enormous. Once you actually support scatter/gather allocations an increase is fine.
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