Andy, I've merged this patchset onto the nfsd41 branch which is now based on 2.6.31-rc1, replacing the respective patches you sent previously. Benny On Jun. 24, 2009, 22:37 +0300, andros@xxxxxxxxxx wrote: > NFSv4.1 Server DRC rewrite Version 4 > > This patch set applies to linux-nfs.org/~bfields/linux, for-2.6.31 branch > updated on 6-22-2009. > > In response to bfield's comments I moved the DRC limit bug fixes to the front > of the series, consolidated patches replacing the single slot clientid DRC > into one patch and the replacement of the mulitple slot sequeqnce operation > DRC into another single patch. > > The NFSv4.1 DRC is changed from a page based cache to > a buffer based cache. The logic for the single slot clientid cache has been > separated from the session slot logic to handle the CREATE_SESSION call > preceeded by a SEQUENCE and all the replay combinations therein. > > The session DRC now caches encoded operations with the exception of the > SEQUENCE operation which for a replay is encoded with the current slot and > session values. A review of message sizes indicates that a 512 byte buffer > for the operations is adequate. > > Not addressed is replacing the nfsd4_check_drc_limit() post-operation checking > with a pre-operation processing estimate of the encoded per operation result > > Testing: > 4.1 mount: Connectathon and 4.1pynfs including the new create session replay > tests. > 4.0 mount; Connectathon. > > 0001-nfsd41-use-globals-for-DRC-limits.patch > 0002-nfsd41-change-from-page-to-memory-based-drc-limits.patch > 0003-nfsd41-reclaim-DRC-memory-on-session-free.patch > 0004-nfsd41-set-the-session-maximum-response-size-cached.patch > 0005-nfsd41-remove-redundant-forechannel-max-requests-ch.patch > 0006-nfsd41-change-check_slot_seqid-parameters.patch > 0007-nfsd41-replace-create_session-DRC-with-xdr-structur.patch > 0008-nfsd41-replace-page-based-DRC-with-buffer-based-DRC.patch > 0009-nfsd41-rename-nfsd4_enc_uncached_replay.patch > 0010-nfsd41-encode-replay-sequence-from-the-slot-values.patch > 0011-nfsd41-fix-nfsd4_replay_cache_entry-comments.patch > 0012-nfsd41-support-16-slots-per-session.patch > 0013-nfsd41-add-test-for-failed-sequence-operation.patch > 0014-nfsd41-remove-redundant-failed-sequence-check.patch > > Comments welcome. > > -->Andy > > _______________________________________________ > pNFS mailing list > pNFS@xxxxxxxxxxxxx > http://linux-nfs.org/cgi-bin/mailman/listinfo/pnfs -- 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
