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[73.189.111.8]) by smtp.googlemail.com with ESMTPSA id fv4-20020a17090b0e8400b001fb350026f1sm128894pjb.4.2022.09.01.15.02.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 15:02:54 -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 14/23] f2fs: Convert f2fs_write_cache_pages() to use filemap_get_folios_tag() Date: Thu, 1 Sep 2022 15:01:29 -0700 Message-Id: <20220901220138.182896-15-vishal.moola@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220901220138.182896-1-vishal.moola@gmail.com> References: <20220901220138.182896-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Converted the function to use folios. This is in preparation for the removal of find_get_pages_range_tag(). Also modified f2fs_all_cluster_page_ready to take in a folio_batch instead of pagevec. This does NOT support large folios. The function currently only utilizes folios of size 1 so this shouldn't cause any issues right now. Signed-off-by: Vishal Moola (Oracle) Reported-by: kernel test robot Reported-by: kernel test robot --- fs/f2fs/compress.c | 13 ++++----- fs/f2fs/data.c | 67 +++++++++++++++++++++++++--------------------- fs/f2fs/f2fs.h | 5 ++-- 3 files changed, 46 insertions(+), 39 deletions(-) diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 70e97075e535..e1bd2e859f64 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -841,10 +841,11 @@ bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index) return is_page_in_cluster(cc, index); } -bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, - int index, int nr_pages, bool uptodate) +bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, + struct folio_batch *fbatch, + int index, int nr_folios, bool uptodate) { - unsigned long pgidx = pages[index]->index; + unsigned long pgidx = fbatch->folios[index]->index; int i = uptodate ? 0 : 1; /* @@ -854,13 +855,13 @@ bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, if (uptodate && (pgidx % cc->cluster_size)) return false; - if (nr_pages - index < cc->cluster_size) + if (nr_folios - index < cc->cluster_size) return false; for (; i < cc->cluster_size; i++) { - if (pages[index + i]->index != pgidx + i) + if (fbatch->folios[index + i]->index != pgidx + i) return false; - if (uptodate && !PageUptodate(pages[index + i])) + if (uptodate && !folio_test_uptodate(fbatch->folios[index + i])) return false; } diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index aa3ccddfa037..f87b9644b10b 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2917,7 +2917,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, { int ret = 0; int done = 0, retry = 0; - struct page *pages[F2FS_ONSTACK_PAGES]; + struct folio_batch fbatch; struct f2fs_sb_info *sbi = F2FS_M_SB(mapping); struct bio *bio = NULL; sector_t last_block; @@ -2938,7 +2938,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, .private = NULL, }; #endif - int nr_pages; + int nr_folios; pgoff_t index; pgoff_t end; /* Inclusive */ pgoff_t done_index; @@ -2948,6 +2948,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping, int submitted = 0; int i; + folio_batch_init(&fbatch); + if (get_dirty_pages(mapping->host) <= SM_I(F2FS_M_SB(mapping))->min_hot_blocks) set_inode_flag(mapping->host, FI_HOT_DATA); @@ -2973,13 +2975,13 @@ static int f2fs_write_cache_pages(struct address_space *mapping, tag_pages_for_writeback(mapping, index, end); done_index = index; while (!done && !retry && (index <= end)) { - nr_pages = find_get_pages_range_tag(mapping, &index, end, - tag, F2FS_ONSTACK_PAGES, pages); - 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 = pages[i]; + for (i = 0; i < nr_folios; i++) { + struct folio *folio = fbatch.folios[i]; bool need_readd; readd: need_readd = false; @@ -2996,7 +2998,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } if (!f2fs_cluster_can_merge_page(&cc, - page->index)) { + folio->index)) { ret = f2fs_write_multi_pages(&cc, &submitted, wbc, io_type); if (!ret) @@ -3005,27 +3007,28 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } if (unlikely(f2fs_cp_error(sbi))) - goto lock_page; + goto lock_folio; if (!f2fs_cluster_is_empty(&cc)) - goto lock_page; + goto lock_folio; if (f2fs_all_cluster_page_ready(&cc, - pages, i, nr_pages, true)) + &fbatch, i, nr_pages, true)) goto lock_page; ret2 = f2fs_prepare_compress_overwrite( inode, &pagep, - page->index, &fsdata); + folio->index, &fsdata); if (ret2 < 0) { ret = ret2; done = 1; break; } else if (ret2 && (!f2fs_compress_write_end(inode, - fsdata, page->index, 1) || + fsdata, folio->index, 1) || !f2fs_all_cluster_page_ready(&cc, - pages, i, nr_pages, false))) { + &fbatch, i, nr_folios, + false))) { retry = 1; break; } @@ -3038,46 +3041,47 @@ static int f2fs_write_cache_pages(struct address_space *mapping, break; } #ifdef CONFIG_F2FS_FS_COMPRESSION -lock_page: +lock_folio: #endif - done_index = page->index; + done_index = folio->index; retry_write: - 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) - f2fs_wait_on_page_writeback(page, + f2fs_wait_on_page_writeback( + &folio->page, DATA, true, true); else goto continue_unlock; } - if (!clear_page_dirty_for_io(page)) + if (!folio_clear_dirty_for_io(folio)) goto continue_unlock; #ifdef CONFIG_F2FS_FS_COMPRESSION if (f2fs_compressed_file(inode)) { - get_page(page); - f2fs_compress_ctx_add_page(&cc, page); + folio_get(folio); + f2fs_compress_ctx_add_page(&cc, &folio->page); continue; } #endif - ret = f2fs_write_single_data_page(page, &submitted, - &bio, &last_block, wbc, io_type, - 0, true); + ret = f2fs_write_single_data_page(&folio->page, + &submitted, &bio, &last_block, + wbc, io_type, 0, true); if (ret == AOP_WRITEPAGE_ACTIVATE) - unlock_page(page); + folio_unlock(folio); #ifdef CONFIG_F2FS_FS_COMPRESSION result: #endif @@ -3101,7 +3105,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping, } goto next; } - done_index = page->index + 1; + done_index = folio->index + + folio_nr_pages(folio); done = 1; break; } @@ -3115,7 +3120,7 @@ static int f2fs_write_cache_pages(struct address_space *mapping, if (need_readd) goto readd; } - release_pages(pages, nr_pages); + folio_batch_release(&fbatch); cond_resched(); } #ifdef CONFIG_F2FS_FS_COMPRESSION diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3c7cdb70fe2e..dcb28240f724 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -4196,8 +4196,9 @@ void f2fs_end_read_compressed_page(struct page *page, bool failed, block_t blkaddr, bool in_task); bool f2fs_cluster_is_empty(struct compress_ctx *cc); bool f2fs_cluster_can_merge_page(struct compress_ctx *cc, pgoff_t index); -bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, struct page **pages, - int index, int nr_pages, bool uptodate); +bool f2fs_all_cluster_page_ready(struct compress_ctx *cc, + struct folio_batch *fbatch, int index, int nr_folios, + bool uptodate); bool f2fs_sanity_check_cluster(struct dnode_of_data *dn); void f2fs_compress_ctx_add_page(struct compress_ctx *cc, struct page *page); int f2fs_write_multi_pages(struct compress_ctx *cc,