From patchwork Wed Nov 2 16:10:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vishal Moola (Oracle)" X-Patchwork-Id: 13028511 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8F95C4321E for ; Wed, 2 Nov 2022 16:13:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231599AbiKBQNP (ORCPT ); Wed, 2 Nov 2022 12:13:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231638AbiKBQMI (ORCPT ); Wed, 2 Nov 2022 12:12:08 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A6282D1EB; Wed, 2 Nov 2022 09:11:42 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id v28so16646178pfi.12; Wed, 02 Nov 2022 09:11:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0kIQ32jgESZghl2JsFuRf0mmCK8FvEn1HKHvqp4B/UI=; b=dfQedKuymKKcgaBkhG/S6LPnJ2O+4EvsNOgODJ6HJIVIONp85PHUPikgR1OK0QEXN5 yllHZOH3ybASQiMP5BnKEWHTPiCoHka0zDja58Ru610nhX2hFD55wJ8Gd376sGcaf689 bZrfvpTt8G5QxybOH/Q6elDPBkfe6Fc3kWWsMNhs/R9vrbLsrZ8uD+rka72YKKWWWGgG dWU5w6rAAJp2LD2+bLNGgBA0LMOcxmf8XyqrkCvTB+U0KRHPVRqOWqltLY33KWJ08EtL x4VuHCxKqbKwgsffO/TRtj8XIVLeukEUR03vIqJL55yVembQK6w940oX9YlEtm9O5Cyv atIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0kIQ32jgESZghl2JsFuRf0mmCK8FvEn1HKHvqp4B/UI=; b=6V02c71ba8T+nKh7BAlS7W2AqHWrezXEd4LxWsbGLZ1bzT0PZeZDx8v7CfllOB/7i9 0owbRQcrwU1nZEngObNKxPn6xOKCAy7ZcmmuAp2HzZ5zpKF3OLhtv6qxrjG9cZFCe8Jy E8/yk0SbdkQH1S4RM7ZsDsp3kJrOrIr2Dzqdad1r8DFmGKq60xjeIKki9L8NERBVIDMu Z5XhX07zvyMEKyLqhBemyZxjjjCI1UPZn0VOLGK3fiNpfoNaI5z1tXLZqtzD41bXDKsp EKs2s/qggp/13SsVnmjfaH63qn7omzqrCQ3aVsi4Y2ImQZ+VA0O3Z1BWs8QZs/qSrDqc flxw== X-Gm-Message-State: ACrzQf0yZl7dMe7mSsF1f0BlRUhM1iSe1xSNTvNZWINFXf1azRmW53d8 rGAo4kGpcWO+egK2FsLHTUUmX4Uz6ewviw== X-Google-Smtp-Source: AMsMyM6M+HYXpiH0U+VfyXFrJ89SEz8gDigaYYVWPndroJTYZEBXjmxNBwyGQzQ73aNi+YK3GqHHhQ== X-Received: by 2002:a63:5a1b:0:b0:461:9934:6f62 with SMTP id o27-20020a635a1b000000b0046199346f62mr22432948pgb.266.1667405501408; Wed, 02 Nov 2022 09:11:41 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:8002:1c20::8080]) by smtp.googlemail.com with ESMTPSA id ms4-20020a17090b234400b00210c84b8ae5sm1632101pjb.35.2022.11.02.09.11.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Nov 2022 09:11:41 -0700 (PDT) From: "Vishal Moola (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nilfs@vger.kernel.org, linux-mm@kvack.org, "Vishal Moola (Oracle)" Subject: [PATCH v4 23/23] filemap: Remove find_get_pages_range_tag() Date: Wed, 2 Nov 2022 09:10:31 -0700 Message-Id: <20221102161031.5820-24-vishal.moola@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221102161031.5820-1-vishal.moola@gmail.com> References: <20221102161031.5820-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org All callers to find_get_pages_range_tag(), find_get_pages_tag(), pagevec_lookup_range_tag(), and pagevec_lookup_tag() have been removed. Signed-off-by: Vishal Moola (Oracle) --- include/linux/pagemap.h | 10 ------- include/linux/pagevec.h | 8 ------ mm/filemap.c | 60 ----------------------------------------- mm/swap.c | 10 ------- 4 files changed, 88 deletions(-) diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 28275eecb949..c83dfcbc19b3 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -742,16 +742,6 @@ unsigned filemap_get_folios_contig(struct address_space *mapping, pgoff_t *start, pgoff_t end, struct folio_batch *fbatch); unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start, pgoff_t end, xa_mark_t tag, struct folio_batch *fbatch); -unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index, - pgoff_t end, xa_mark_t tag, unsigned int nr_pages, - struct page **pages); -static inline unsigned find_get_pages_tag(struct address_space *mapping, - pgoff_t *index, xa_mark_t tag, unsigned int nr_pages, - struct page **pages) -{ - return find_get_pages_range_tag(mapping, index, (pgoff_t)-1, tag, - nr_pages, pages); -} struct page *grab_cache_page_write_begin(struct address_space *mapping, pgoff_t index); diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h index 215eb6c3bdc9..a520632297ac 100644 --- a/include/linux/pagevec.h +++ b/include/linux/pagevec.h @@ -26,14 +26,6 @@ struct pagevec { }; void __pagevec_release(struct pagevec *pvec); -unsigned pagevec_lookup_range_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, pgoff_t end, - xa_mark_t tag); -static inline unsigned pagevec_lookup_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, xa_mark_t tag) -{ - return pagevec_lookup_range_tag(pvec, mapping, index, (pgoff_t)-1, tag); -} static inline void pagevec_init(struct pagevec *pvec) { diff --git a/mm/filemap.c b/mm/filemap.c index cc4be51eae5b..8ad45c2e22cd 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2318,66 +2318,6 @@ unsigned filemap_get_folios_tag(struct address_space *mapping, pgoff_t *start, } EXPORT_SYMBOL(filemap_get_folios_tag); -/** - * find_get_pages_range_tag - Find and return head pages matching @tag. - * @mapping: the address_space to search - * @index: the starting page index - * @end: The final page index (inclusive) - * @tag: the tag index - * @nr_pages: the maximum number of pages - * @pages: where the resulting pages are placed - * - * Like find_get_pages_range(), except we only return head pages which are - * tagged with @tag. @index is updated to the index immediately after the - * last page we return, ready for the next iteration. - * - * Return: the number of pages which were found. - */ -unsigned find_get_pages_range_tag(struct address_space *mapping, pgoff_t *index, - pgoff_t end, xa_mark_t tag, unsigned int nr_pages, - struct page **pages) -{ - XA_STATE(xas, &mapping->i_pages, *index); - struct folio *folio; - unsigned ret = 0; - - if (unlikely(!nr_pages)) - return 0; - - rcu_read_lock(); - while ((folio = find_get_entry(&xas, end, tag))) { - /* - * Shadow entries should never be tagged, but this iteration - * is lockless so there is a window for page reclaim to evict - * a page we saw tagged. Skip over it. - */ - if (xa_is_value(folio)) - continue; - - pages[ret] = &folio->page; - if (++ret == nr_pages) { - *index = folio->index + folio_nr_pages(folio); - goto out; - } - } - - /* - * We come here when we got to @end. We take care to not overflow the - * index @index as it confuses some of the callers. This breaks the - * iteration when there is a page at index -1 but that is already - * broken anyway. - */ - if (end == (pgoff_t)-1) - *index = (pgoff_t)-1; - else - *index = end + 1; -out: - rcu_read_unlock(); - - return ret; -} -EXPORT_SYMBOL(find_get_pages_range_tag); - /* * CD/DVDs are error prone. When a medium error occurs, the driver may fail * a _large_ part of the i/o request. Imagine the worst scenario: diff --git a/mm/swap.c b/mm/swap.c index 955930f41d20..89351b6dd149 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -1098,16 +1098,6 @@ void folio_batch_remove_exceptionals(struct folio_batch *fbatch) fbatch->nr = j; } -unsigned pagevec_lookup_range_tag(struct pagevec *pvec, - struct address_space *mapping, pgoff_t *index, pgoff_t end, - xa_mark_t tag) -{ - pvec->nr = find_get_pages_range_tag(mapping, index, end, tag, - PAGEVEC_SIZE, pvec->pages); - return pagevec_count(pvec); -} -EXPORT_SYMBOL(pagevec_lookup_range_tag); - /* * Perform any setup for the swap system */