From: andros@netapp.com Subject: [PATCH 16/31] nfsd41: obliterate nfsd4_copy_pages Date: Tue, 28 Apr 2009 12:59:50 -0400 Message-ID: <1240938005-23778-16-git-send-email-andros@netapp.com> References: <1240938005-23778-1-git-send-email-andros@netapp.com> <1240938005-23778-2-git-send-email-andros@netapp.com> <1240938005-23778-3-git-send-email-andros@netapp.com> <1240938005-23778-4-git-send-email-andros@netapp.com> <1240938005-23778-5-git-send-email-andros@netapp.com> <1240938005-23778-6-git-send-email-andros@netapp.com> <1240938005-23778-7-git-send-email-andros@netapp.com> <1240938005-23778-8-git-send-email-andros@netapp.com> <1240938005-23778-9-git-send-email-andros@netapp.com> <1240938005-23778-10-git-send-email-andros@netapp.com> <1240938005-23778-11-git-send-email-andros@netapp.com> <1240938005-23778-12-git-send-email-andros@netapp.com> <1240938005-23778-13-git-send-email-andros@netapp.com> <1240938005-23778-14-git-send-email-andros@netapp.com> <1240938005-23778-15-git-send-email-andros@netapp.com> Cc: pnfs@linux-nfs.org, linux-nfs@vger.kernel.org, Andy Adamson To: bfields@fieldses.org Return-path: Received: from mx2.netapp.com ([216.240.18.37]:50875 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760153AbZD1RAs (ORCPT ); Tue, 28 Apr 2009 13:00:48 -0400 In-Reply-To: <1240938005-23778-15-git-send-email-andros@netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: From: Andy Adamson Replacing page based drc cache with buffer based drc cache. Signed-off-by: Andy Adamson --- fs/nfsd/nfs4state.c | 21 --------------------- 1 files changed, 0 insertions(+), 21 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 05083d3..3d1e33a 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1040,19 +1040,6 @@ nfsd4_release_respages(struct page **respages, short resused) } } -static void -nfsd4_copy_pages(struct page **topages, struct page **frompages, short count) -{ - int i; - - for (i = 0; i < count; i++) { - topages[i] = frompages[i]; - if (!topages[i]) - continue; - get_page(topages[i]); - } -} - /* * Cache the reply pages up to NFSD_PAGES_PER_SLOT + 1, clearing the previous * pages. We add a page to NFSD_PAGES_PER_SLOT for the case where the total @@ -1102,8 +1089,6 @@ nfsd4_store_cache_entry(struct nfsd4_compoundres *resp) entry->ce_resused = rqstp->rq_resused; if (entry->ce_resused > NFSD_PAGES_PER_SLOT + 1) entry->ce_resused = NFSD_PAGES_PER_SLOT + 1; - nfsd4_copy_pages(entry->ce_respages, rqstp->rq_respages, - entry->ce_resused); entry->ce_datav.iov_base = resp->cstate.statp; entry->ce_datav.iov_len = resv->iov_len - ((char *)resp->cstate.statp - (char *)page_address(rqstp->rq_respages[0])); @@ -1176,17 +1161,11 @@ nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp, * cached header. Release all the allocated result pages. */ svc_free_res_pages(resp->rqstp); - nfsd4_copy_pages(resp->rqstp->rq_respages, entry->ce_respages, - entry->ce_resused); } else { /* Release all but the first allocated result page */ resp->rqstp->rq_resused--; svc_free_res_pages(resp->rqstp); - - nfsd4_copy_pages(&resp->rqstp->rq_respages[1], - &entry->ce_respages[1], - entry->ce_resused - 1); } resp->rqstp->rq_resused = entry->ce_resused; -- 1.5.4.3