On Fri, Aug 28, 2009 at 06:42:48PM -0400, J. Bruce Fields wrote: > On Thu, Aug 27, 2009 at 12:07:39PM -0400, andros@xxxxxxxxxx wrote: > > > > NFSv4.1 DRC Rewrite Version 6 > > > > These patches apply against git://linux-nfs.org/~bfields/linux: for-2.6.32 > > branch and continue to rewrite the NFSv4.1 Sessions DRC. Besides some > > bug fixes: > > > > 1) The bound on the fore channel per-session DRC size are rewritten. > > Instead of just using a maximum number of slots to bound the size, > > The server gives the client the number of ca_maxresponsesize_cached slots it > > requests bounded by NFSD_SLOT_CACHE_SIZE, NFSD_MAX_MEM_PER_SESSION and by > > nfsd_drc_max_mem. Do not allow more than NFSD_MAX_SLOTS_PER_SESSION. > > > > This allows clients to tailor a session to usage. > > For example, an I/O session (READ/WRITE/COMMIT only) can have a much smaller > > ca_maxresponsesize_cached (for only WRITE/COMMIt compound responses) and a lot > > larger ca_maxresponses to service a large in-flight data window. > > > > 2) the page-based DRC is replaced with a buffer based DRC with each > > slot table entry (struct nfsd4_slot + cache) allocated separately. > > This allocation prepares us for slot size re-negotiation via the SEQUENCE > > operation target and high slot id arguments. > > > > Testing: > > > > NFSv4.1 mount: pynfs tests - including the SEQUENCE replay cache tests. > > connectathon tests. > > By the way, any hints on getting the 4.1 pynfs stuff running? OK, solution seemed to be cd gssapi python setup.py build_ext --inplace But now almost everything fails.with SERVERFAULT. Bah. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
