From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752829AbdECQBp (ORCPT ); Wed, 3 May 2017 12:01:45 -0400 Received: from mail.kernel.org ([198.145.29.136]:33236 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752124AbdECQBd (ORCPT ); Wed, 3 May 2017 12:01:33 -0400 From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH 2/3] f2fs: relocate inode_{,un}lock in F2FS_IOC_SETFLAGS Date: Wed, 3 May 2017 23:59:13 +0800 Message-Id: <20170503155914.6859-2-chao@kernel.org> X-Mailer: git-send-email 2.12.2.575.gb14f27f In-Reply-To: <20170503155914.6859-1-chao@kernel.org> References: <20170503155914.6859-1-chao@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chao Yu This patch expands cover region of inode->i_rwsem to keep setting flag atomically. Signed-off-by: Chao Yu --- fs/f2fs/file.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 1c1c9bc4f19a..e20a1c01e556 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -1494,10 +1494,10 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) if (ret) return ret; - flags = f2fs_mask_flags(inode->i_mode, flags); - inode_lock(inode); + flags = f2fs_mask_flags(inode->i_mode, flags); + oldflags = fi->i_flags; if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL)) { @@ -1511,10 +1511,11 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) flags = flags & FS_FL_USER_MODIFIABLE; flags |= oldflags & ~FS_FL_USER_MODIFIABLE; fi->i_flags = flags; - inode_unlock(inode); inode->i_ctime = current_time(inode); f2fs_set_inode_flags(inode); + + inode_unlock(inode); out: mnt_drop_write_file(filp); return ret; -- 2.12.2.575.gb14f27f