From patchwork Fri Aug 31 22:21:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Czerner X-Patchwork-Id: 181066 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1E6AE2C0385 for ; Sat, 1 Sep 2012 08:23:03 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755095Ab2HaWW6 (ORCPT ); Fri, 31 Aug 2012 18:22:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48062 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753741Ab2HaWWR (ORCPT ); Fri, 31 Aug 2012 18:22:17 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q7VMMDYH013369 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 31 Aug 2012 18:22:13 -0400 Received: from vpntest-13-51.rdu.redhat.com (vpn-225-57.phx2.redhat.com [10.3.225.57]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q7VMMAp1012171; Fri, 31 Aug 2012 18:22:12 -0400 From: Lukas Czerner To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, tytso@mit.edu, hughd@google.com, linux-mm@kvack.org, Lukas Czerner , ocfs2-devel@oss.oracle.com Subject: [PATCH 05/15 v2] ocfs2: implement invalidatepage_range aop Date: Fri, 31 Aug 2012 18:21:41 -0400 Message-Id: <1346451711-1931-6-git-send-email-lczerner@redhat.com> In-Reply-To: <1346451711-1931-1-git-send-email-lczerner@redhat.com> References: <1346451711-1931-1-git-send-email-lczerner@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org mm now supports invalidatepage_range address space operation which is useful to allow truncating page range which is not aligned to the end of the page. This will help in punch hole implementation once truncate_inode_pages_range() is modify to allow this as well. With this commit ocfs2 now register only invalidatepage_range. Signed-off-by: Lukas Czerner Cc: ocfs2-devel@oss.oracle.com --- fs/ocfs2/aops.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6577432..a101232 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -603,11 +603,12 @@ static void ocfs2_dio_end_io(struct kiocb *iocb, * from ext3. PageChecked() bits have been removed as OCFS2 does not * do journalled data. */ -static void ocfs2_invalidatepage(struct page *page, unsigned long offset) +static void ocfs2_invalidatepage_range(struct page *page, unsigned int offset, + unsigned int length) { journal_t *journal = OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal; - jbd2_journal_invalidatepage(journal, page, offset); + jbd2_journal_invalidatepage_range(journal, page, offset, length); } static int ocfs2_releasepage(struct page *page, gfp_t wait) @@ -2091,7 +2092,7 @@ const struct address_space_operations ocfs2_aops = { .write_end = ocfs2_write_end, .bmap = ocfs2_bmap, .direct_IO = ocfs2_direct_IO, - .invalidatepage = ocfs2_invalidatepage, + .invalidatepage_range = ocfs2_invalidatepage_range, .releasepage = ocfs2_releasepage, .migratepage = buffer_migrate_page, .is_partially_uptodate = block_is_partially_uptodate,