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[73.189.111.8]) by smtp.googlemail.com with ESMTPSA id x127-20020a626385000000b0053b2681b0e0sm5916894pfb.39.2022.09.12.11.25.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Sep 2022 11:25:37 -0700 (PDT) From: "Vishal Moola (Oracle)" To: linux-fsdevel@vger.kernel.org Date: Mon, 12 Sep 2022 11:22:11 -0700 Message-Id: <20220912182224.514561-11-vishal.moola@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220912182224.514561-1-vishal.moola@gmail.com> References: <20220912182224.514561-1-vishal.moola@gmail.com> MIME-Version: 1.0 X-Headers-End: 1oXo7r-0003ma-PT Subject: [f2fs-dev] [PATCH v2 10/23] ext4: Convert mpage_prepare_extent_to_map() to use filemap_get_folios_tag() X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, "Vishal Moola \(Oracle\)" , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, ceph-devel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-afs@lists.infradead.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Converted the function to use folios throughout. This is in preparation for the removal of find_get_pages_range_tag(). Now supports large folios. Signed-off-by: Vishal Moola (Oracle) --- fs/ext4/inode.c | 55 ++++++++++++++++++++++++------------------------- 1 file changed, 27 insertions(+), 28 deletions(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 601214453c3a..fbd876e10a85 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2565,8 +2565,8 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode) static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) { struct address_space *mapping = mpd->inode->i_mapping; - struct pagevec pvec; - unsigned int nr_pages; + struct folio_batch fbatch; + unsigned int nr_folios; long left = mpd->wbc->nr_to_write; pgoff_t index = mpd->first_page; pgoff_t end = mpd->last_page; @@ -2580,18 +2580,17 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) tag = PAGECACHE_TAG_TOWRITE; else tag = PAGECACHE_TAG_DIRTY; - - pagevec_init(&pvec); + folio_batch_init(&fbatch); mpd->map.m_len = 0; mpd->next_page = index; while (index <= end) { - nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, - tag); - if (nr_pages == 0) + nr_folios = filemap_get_folios_tag(mapping, &index, end, + tag, &fbatch); + if (nr_folios == 0) break; - for (i = 0; i < nr_pages; i++) { - struct page *page = pvec.pages[i]; + for (i = 0; i < nr_folios; i++) { + struct folio *folio = fbatch.folios[i]; /* * Accumulated enough dirty pages? This doesn't apply @@ -2605,10 +2604,10 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) goto out; /* If we can't merge this page, we are done. */ - if (mpd->map.m_len > 0 && mpd->next_page != page->index) + if (mpd->map.m_len > 0 && mpd->next_page != folio->index) goto out; - lock_page(page); + folio_lock(folio); /* * If the page is no longer dirty, or its mapping no * longer corresponds to inode we are writing (which @@ -2616,16 +2615,16 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) * page is already under writeback and we are not doing * a data integrity writeback, skip the page */ - if (!PageDirty(page) || - (PageWriteback(page) && + if (!folio_test_dirty(folio) || + (folio_test_writeback(folio) && (mpd->wbc->sync_mode == WB_SYNC_NONE)) || - unlikely(page->mapping != mapping)) { - unlock_page(page); + unlikely(folio->mapping != mapping)) { + folio_unlock(folio); continue; } - wait_on_page_writeback(page); - BUG_ON(PageWriteback(page)); + folio_wait_writeback(folio); + BUG_ON(folio_test_writeback(folio)); /* * Should never happen but for buggy code in @@ -2636,33 +2635,33 @@ static int mpage_prepare_extent_to_map(struct mpage_da_data *mpd) * * [1] https://lore.kernel.org/linux-mm/20180103100430.GE4911@quack2.suse.cz */ - if (!page_has_buffers(page)) { - ext4_warning_inode(mpd->inode, "page %lu does not have buffers attached", page->index); - ClearPageDirty(page); - unlock_page(page); + if (!folio_buffers(folio)) { + ext4_warning_inode(mpd->inode, "page %lu does not have buffers attached", folio->index); + folio_clear_dirty(folio); + folio_unlock(folio); continue; } if (mpd->map.m_len == 0) - mpd->first_page = page->index; - mpd->next_page = page->index + 1; + mpd->first_page = folio->index; + mpd->next_page = folio->index + folio_nr_pages(folio); /* Add all dirty buffers to mpd */ - lblk = ((ext4_lblk_t)page->index) << + lblk = ((ext4_lblk_t)folio->index) << (PAGE_SHIFT - blkbits); - head = page_buffers(page); + head = folio_buffers(folio); err = mpage_process_page_bufs(mpd, head, head, lblk); if (err <= 0) goto out; err = 0; - left--; + left -= folio_nr_pages(folio); } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); } mpd->scanned_until_end = 1; return 0; out: - pagevec_release(&pvec); + folio_batch_release(&fbatch); return err; } -- 2.36.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel