From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753549AbdIDK6b (ORCPT ); Mon, 4 Sep 2017 06:58:31 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:5532 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753411AbdIDK6a (ORCPT ); Mon, 4 Sep 2017 06:58:30 -0400 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH 1/3] f2fs: introduce read_inline_xattr Date: Mon, 4 Sep 2017 18:58:02 +0800 Message-ID: <20170904105804.8042-1-yuchao0@huawei.com> X-Mailer: git-send-email 2.13.1.388.g69e6b9b4f4a9 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.59AD31C6.00BF,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: c45f14f71d3b538f4d62dbb37c89fc62 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit ba38c27eb93e ("f2fs: enhance lookup xattr") introduces lookup_all_xattrs duplicating from read_all_xattrs, which leaves lots of similar codes in between them, so introduce new help read_inline_xattr to clean up redundant codes. Signed-off-by: Chao Yu --- fs/f2fs/xattr.c | 59 ++++++++++++++++++++++++++++----------------------------- 1 file changed, 29 insertions(+), 30 deletions(-) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index ef3a3721ea6b..a1e41649f037 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -241,6 +241,29 @@ static struct f2fs_xattr_entry *__find_inline_xattr(void *base_addr, return entry; } +static int read_inline_xattr(struct inode *inode, struct page *ipage, + void *txattr_addr) +{ + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); + unsigned int inline_size = inline_xattr_size(inode); + struct page *page = NULL; + void *inline_addr; + + if (ipage) { + inline_addr = inline_xattr_addr(ipage); + } else { + page = get_node_page(sbi, inode->i_ino); + if (IS_ERR(page)) + return PTR_ERR(page); + + inline_addr = inline_xattr_addr(page); + } + memcpy(txattr_addr, inline_addr, inline_size); + f2fs_put_page(page, 1); + + return 0; +} + static int lookup_all_xattrs(struct inode *inode, struct page *ipage, unsigned int index, unsigned int len, const char *name, struct f2fs_xattr_entry **xe, @@ -263,21 +286,9 @@ static int lookup_all_xattrs(struct inode *inode, struct page *ipage, /* read from inline xattr */ if (inline_size) { - struct page *page = NULL; - void *inline_addr; - - if (ipage) { - inline_addr = inline_xattr_addr(ipage); - } else { - page = get_node_page(sbi, inode->i_ino); - if (IS_ERR(page)) { - err = PTR_ERR(page); - goto out; - } - inline_addr = inline_xattr_addr(page); - } - memcpy(txattr_addr, inline_addr, inline_size); - f2fs_put_page(page, 1); + err = read_inline_xattr(inode, ipage, txattr_addr); + if (err) + goto out; *xe = __find_inline_xattr(txattr_addr, &last_addr, index, len, name); @@ -339,21 +350,9 @@ static int read_all_xattrs(struct inode *inode, struct page *ipage, /* read from inline xattr */ if (inline_size) { - struct page *page = NULL; - void *inline_addr; - - if (ipage) { - inline_addr = inline_xattr_addr(ipage); - } else { - page = get_node_page(sbi, inode->i_ino); - if (IS_ERR(page)) { - err = PTR_ERR(page); - goto fail; - } - inline_addr = inline_xattr_addr(page); - } - memcpy(txattr_addr, inline_addr, inline_size); - f2fs_put_page(page, 1); + err = read_inline_xattr(inode, ipage, txattr_addr); + if (err) + goto fail; } /* read from xattr node block */ -- 2.13.1.388.g69e6b9b4f4a9