On Thu, Oct 23, 2008 at 04:02:22PM -0400, Jim Rees wrote: > Jeff Layton wrote: > > It sounds like what we should do for CIFS is the same thing. Set the > buffer sizes but make sure the SOCK_*BUF_LOCK bits are cleared so that > they can grow as needed. > > You have to be careful about when you set them. The old nfs code does it in > the wrong place, just before the first read. That's too late. You have to > do it just after accept(). > > Does the kernel ever shrink these buffers? > Yes. Its not so much a buffer, but an allowable allocation threshold. And it should shrink see sk_*_free and its child functions. Neil -- /*************************************************** *Neil Horman *Senior Software Engineer *Red Hat, Inc. *nhorman@xxxxxxxxxx *gpg keyid: 1024D / 0x92A74FA1 *http://pgp.mit.edu ***************************************************/ -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
