From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vishal Moola (Oracle)" Subject: [PATCH v4 18/23] nilfs2: Convert nilfs_lookup_dirty_data_buffers() to use filemap_get_folios_tag() Date: Wed, 2 Nov 2022 09:10:26 -0700 Message-ID: <20221102161031.5820-19-vishal.moola@gmail.com> References: <20221102161031.5820-1-vishal.moola@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1667405503; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=M6ro/4uwbCPgnPQoXYfWSXb0BSYdAvQsNHB7i1qmjGk=; b=V0MZDWdrEO1HIEM99NS+5F6MtOoKl1zC8hhEy6t7yfkBjyOnJwDz83WrMyOib/GITDg/RE lWsy292xvPeMcL921ahV7uEPbPIzawhWlUrSeC90jn+3qdAcKJtZIeNyR3M+uXwynPOGEV Xd0e2blt3QGq+52QeJOH1kMLbygTV54= In-Reply-To: <20221102161031.5820-1-vishal.moola@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cluster-devel-bounces@redhat.com Sender: "Cluster-devel" Content-Type: text/plain; charset="us-ascii"; x-default="true" To: linux-fsdevel@vger.kernel.org Cc: linux-cifs@vger.kernel.org, linux-nilfs@vger.kernel.org, "Vishal Moola (Oracle)" , Ryusuke Konishi , 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 Convert function to use folios throughout. This is in preparation for the removal of find_get_pages_range_tag(). This change removes 4 calls to compound_head(). Signed-off-by: Vishal Moola (Oracle) Acked-by: Ryusuke Konishi --- fs/nilfs2/segment.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index b4cebad21b48..2183e1698f8e 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -680,7 +680,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, loff_t start, loff_t end) { struct address_space *mapping = inode->i_mapping; - struct pagevec pvec; + struct folio_batch fbatch; pgoff_t index = 0, last = ULONG_MAX; size_t ndirties = 0; int i; @@ -694,23 +694,26 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, index = start >> PAGE_SHIFT; last = end >> PAGE_SHIFT; } - pagevec_init(&pvec); + folio_batch_init(&fbatch); repeat: if (unlikely(index > last) || - !pagevec_lookup_range_tag(&pvec, mapping, &index, last, - PAGECACHE_TAG_DIRTY)) + !filemap_get_folios_tag(mapping, &index, last, + PAGECACHE_TAG_DIRTY, &fbatch)) return ndirties; - for (i = 0; i < pagevec_count(&pvec); i++) { + for (i = 0; i < folio_batch_count(&fbatch); i++) { struct buffer_head *bh, *head; - struct page *page = pvec.pages[i]; + struct folio *folio = fbatch.folios[i]; - lock_page(page); - if (!page_has_buffers(page)) - create_empty_buffers(page, i_blocksize(inode), 0); - unlock_page(page); + folio_lock(folio); + head = folio_buffers(folio); + if (!head) { + create_empty_buffers(&folio->page, i_blocksize(inode), 0); + head = folio_buffers(folio); + } + folio_unlock(folio); - bh = head = page_buffers(page); + bh = head; do { if (!buffer_dirty(bh) || buffer_async_write(bh)) continue; @@ -718,13 +721,13 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, list_add_tail(&bh->b_assoc_buffers, listp); ndirties++; if (unlikely(ndirties >= nlimit)) { - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); return ndirties; } } while (bh = bh->b_this_page, bh != head); } - pagevec_release(&pvec); + folio_batch_release(&fbatch); cond_resched(); goto repeat; } -- 2.38.1