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Wed, 02 Nov 2022 09:11:32 -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 17/23] gfs2: Convert gfs2_write_cache_jdata() to use filemap_get_folios_tag() Date: Wed, 2 Nov 2022 09:10:25 -0700 Message-Id: <20221102161031.5820-18-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 ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=cTecwnbK; spf=pass (imf17.hostedemail.com: domain of vishal.moola@gmail.com designates 209.85.210.171 as permitted sender) smtp.mailfrom=vishal.moola@gmail.com; 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dkim=pass header.d=gmail.com header.s=20210112 header.b=cTecwnbK; spf=pass (imf17.hostedemail.com: domain of vishal.moola@gmail.com designates 209.85.210.171 as permitted sender) smtp.mailfrom=vishal.moola@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam03 X-Rspam-User: X-HE-Tag: 1667405493-443312 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Converted function to use folios throughout. This is in preparation for the removal of find_get_pgaes_range_tag(). This change removes 8 calls to compound_head(). Also had to modify and rename gfs2_write_jdata_pagevec() to take in and utilize folio_batch rather than pagevec and use folios rather than pages. gfs2_write_jdata_batch() now supports large folios. Signed-off-by: Vishal Moola (Oracle) --- fs/gfs2/aops.c | 64 +++++++++++++++++++++++++++----------------------- 1 file changed, 35 insertions(+), 29 deletions(-) diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 05bee80ac7de..8f87c2551a3d 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -195,67 +195,71 @@ static int gfs2_writepages(struct address_space *mapping, } /** - * gfs2_write_jdata_pagevec - Write back a pagevec's worth of pages + * gfs2_write_jdata_batch - Write back a folio batch's worth of folios * @mapping: The mapping * @wbc: The writeback control - * @pvec: The vector of pages - * @nr_pages: The number of pages to write + * @fbatch: The batch of folios * @done_index: Page index * * Returns: non-zero if loop should terminate, zero otherwise */ -static int gfs2_write_jdata_pagevec(struct address_space *mapping, +static int gfs2_write_jdata_batch(struct address_space *mapping, struct writeback_control *wbc, - struct pagevec *pvec, - int nr_pages, + struct folio_batch *fbatch, pgoff_t *done_index) { struct inode *inode = mapping->host; struct gfs2_sbd *sdp = GFS2_SB(inode); - unsigned nrblocks = nr_pages * (PAGE_SIZE >> inode->i_blkbits); + unsigned nrblocks; int i; int ret; + int nr_pages = 0; + int nr_folios = folio_batch_count(fbatch); + + for (i = 0; i < nr_folios; i++) + nr_pages += folio_nr_pages(fbatch->folios[i]); + nrblocks = nr_pages * (PAGE_SIZE >> inode->i_blkbits); ret = gfs2_trans_begin(sdp, nrblocks, nrblocks); if (ret < 0) return ret; - 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]; - *done_index = page->index; + *done_index = folio->index; - lock_page(page); + folio_lock(folio); - if (unlikely(page->mapping != mapping)) { + if (unlikely(folio->mapping != mapping)) { continue_unlock: - unlock_page(page); + folio_unlock(folio); continue; } - if (!PageDirty(page)) { + if (!folio_test_dirty(folio)) { /* someone wrote it for us */ goto continue_unlock; } - if (PageWriteback(page)) { + if (folio_test_writeback(folio)) { if (wbc->sync_mode != WB_SYNC_NONE) - wait_on_page_writeback(page); + folio_wait_writeback(folio); else goto continue_unlock; } - BUG_ON(PageWriteback(page)); - if (!clear_page_dirty_for_io(page)) + BUG_ON(folio_test_writeback(folio)); + if (!folio_clear_dirty_for_io(folio)) goto continue_unlock; trace_wbc_writepage(wbc, inode_to_bdi(inode)); - ret = __gfs2_jdata_writepage(page, wbc); + ret = __gfs2_jdata_writepage(&folio->page, wbc); if (unlikely(ret)) { if (ret == AOP_WRITEPAGE_ACTIVATE) { - unlock_page(page); + folio_unlock(folio); ret = 0; } else { @@ -268,7 +272,8 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping, * not be suitable for data integrity * writeout). */ - *done_index = page->index + 1; + *done_index = folio->index + + folio_nr_pages(folio); ret = 1; break; } @@ -305,8 +310,8 @@ static int gfs2_write_cache_jdata(struct address_space *mapping, { int ret = 0; int done = 0; - struct pagevec pvec; - int nr_pages; + struct folio_batch fbatch; + int nr_folios; pgoff_t writeback_index; pgoff_t index; pgoff_t end; @@ -315,7 +320,7 @@ static int gfs2_write_cache_jdata(struct address_space *mapping, int range_whole = 0; xa_mark_t tag; - pagevec_init(&pvec); + folio_batch_init(&fbatch); if (wbc->range_cyclic) { writeback_index = mapping->writeback_index; /* prev offset */ index = writeback_index; @@ -341,17 +346,18 @@ static int gfs2_write_cache_jdata(struct address_space *mapping, tag_pages_for_writeback(mapping, index, end); done_index = index; while (!done && (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; - ret = gfs2_write_jdata_pagevec(mapping, wbc, &pvec, nr_pages, &done_index); + ret = gfs2_write_jdata_batch(mapping, wbc, &fbatch, + &done_index); if (ret) done = 1; if (ret > 0) ret = 0; - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); }