Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934521AbaKSWfZ (ORCPT ); Wed, 19 Nov 2014 17:35:25 -0500 Received: from mail.kernel.org ([198.145.19.201]:54113 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932781AbaKSWfR (ORCPT ); Wed, 19 Nov 2014 17:35:17 -0500 From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 1/3] f2fs: call flush_dcache_page when the page was updated Date: Wed, 19 Nov 2014 14:35:08 -0800 Message-Id: <1416436510-6251-1-git-send-email-jaegeuk@kernel.org> X-Mailer: git-send-email 2.1.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Whenever f2fs updates mapped pages, it needs to call flush_dcache_page. Signed-off-by: Jaegeuk Kim --- fs/f2fs/dir.c | 7 ++++++- fs/f2fs/inline.c | 4 +++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 5a49995..312fbfc 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -287,8 +287,10 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, f2fs_wait_on_page_writeback(page, type); de->ino = cpu_to_le32(inode->i_ino); set_de_type(de, inode); - if (!f2fs_has_inline_dentry(dir)) + if (!f2fs_has_inline_dentry(dir)) { kunmap(page); + flush_dcache_page(page); + } set_page_dirty(page); dir->i_mtime = dir->i_ctime = CURRENT_TIME; mark_inode_dirty(dir); @@ -366,6 +368,7 @@ static int make_empty_dir(struct inode *inode, do_make_empty_dir(inode, parent, &d); kunmap_atomic(dentry_blk); + flush_dcache_page(dentry_page); set_page_dirty(dentry_page); f2fs_put_page(dentry_page, 1); @@ -579,6 +582,7 @@ fail: clear_inode_flag(F2FS_I(dir), FI_UPDATE_DIR); } kunmap(dentry_page); + flush_dcache_page(dentry_page); f2fs_put_page(dentry_page, 1); return err; } @@ -661,6 +665,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, NR_DENTRY_IN_BLOCK, 0); kunmap(page); /* kunmap - pair of f2fs_find_entry */ + flush_dcache_page(page); set_page_dirty(page); dir->i_ctime = dir->i_mtime = CURRENT_TIME; diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index f26fb87..8b7cc51 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -45,8 +45,8 @@ void read_inline_data(struct page *page, struct page *ipage) src_addr = inline_data_addr(ipage); dst_addr = kmap_atomic(page); memcpy(dst_addr, src_addr, MAX_INLINE_DATA); - flush_dcache_page(page); kunmap_atomic(dst_addr); + flush_dcache_page(page); SetPageUptodate(page); } @@ -107,6 +107,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page) dst_addr = kmap_atomic(page); memcpy(dst_addr, src_addr, MAX_INLINE_DATA); kunmap_atomic(dst_addr); + flush_dcache_page(page); SetPageUptodate(page); no_update: /* write data page to try to make data consistent */ @@ -358,6 +359,7 @@ static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage, NR_INLINE_DENTRY * F2FS_SLOT_LEN); kunmap_atomic(dentry_blk); + flush_dcache_page(page); SetPageUptodate(page); set_page_dirty(page); -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/