From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753342AbcHNMA7 (ORCPT ); Sun, 14 Aug 2016 08:00:59 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:52297 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933793AbcHNL24 (ORCPT ); Sun, 14 Aug 2016 07:28:56 -0400 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Richard Weinberger" , "Christoph Hellwig" Date: Sat, 13 Aug 2016 18:42:58 +0100 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.2 61/94] mm: Export migrate_page_move_mapping and migrate_page_copy In-Reply-To: X-SA-Exim-Connect-IP: 92.40.249.202 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2.82-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Richard Weinberger commit 1118dce773d84f39ebd51a9fe7261f9169cb056e upstream. Export these symbols such that UBIFS can implement ->migratepage. Signed-off-by: Richard Weinberger Acked-by: Christoph Hellwig [bwh: Backported to 3.2: also change migrate_page_move_mapping() from static to extern, done as part of an earlier commit upstream] Signed-off-by: Ben Hutchings --- mm/migrate.c | 2 ++ 1 file changed, 2 insertions(+) --- a/mm/migrate.c +++ b/mm/migrate.c @@ -294,7 +294,7 @@ static inline bool buffer_migrate_lock_b * 2 for pages with a mapping * 3 for pages with a mapping and PagePrivate/PagePrivate2 set. */ -static int migrate_page_move_mapping(struct address_space *mapping, +int migrate_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page, struct buffer_head *head, enum migrate_mode mode) { @@ -377,6 +377,7 @@ static int migrate_page_move_mapping(str return 0; } +EXPORT_SYMBOL(migrate_page_move_mapping); /* * The expected number of remaining references is the same as that @@ -476,6 +477,7 @@ void migrate_page_copy(struct page *newp if (PageWriteback(newpage)) end_page_writeback(newpage); } +EXPORT_SYMBOL(migrate_page_copy); /************************************************************ * Migration functions --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -43,6 +43,9 @@ extern int migrate_vmas(struct mm_struct extern void migrate_page_copy(struct page *newpage, struct page *page); extern int migrate_huge_page_move_mapping(struct address_space *mapping, struct page *newpage, struct page *page); +extern int migrate_page_move_mapping(struct address_space *mapping, + struct page *newpage, struct page *page, + struct buffer_head *head, enum migrate_mode mode); #else #define PAGE_MIGRATION 0