linux-kernel - [PATCH 1/1 linux-next] fs/hfsplus: atomically set inode->i

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Message-Id: <1425926619-5486-1-git-send-email-fabf@skynet.be>
Date:	Mon,  9 Mar 2015 19:43:39 +0100
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>, "Theodore Ts'o" <tytso@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 1/1 linux-next] fs/hfsplus: atomically set inode->i_flags

According to commit 5f16f3225b06

("ext4: atomically set inode->i_flags in ext4_set_inode_flags()")

Cc: "Theodore Ts'o" <tytso@....edu>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 fs/hfsplus/ioctl.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index d3ff5cc..8e98f5d 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -76,7 +76,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
 {
 	struct inode *inode = file_inode(file);
 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
-	unsigned int flags;
+	unsigned int flags, new_fl = 0;
 	int err = 0;
 
 	err = mnt_want_write_file(file);
@@ -110,14 +110,12 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
 	}
 
 	if (flags & FS_IMMUTABLE_FL)
-		inode->i_flags |= S_IMMUTABLE;
-	else
-		inode->i_flags &= ~S_IMMUTABLE;
+		new_fl |= S_IMMUTABLE;
 
 	if (flags & FS_APPEND_FL)
-		inode->i_flags |= S_APPEND;
-	else
-		inode->i_flags &= ~S_APPEND;
+		new_fl |= S_APPEND;
+
+	inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND);
 
 	if (flags & FS_NODUMP_FL)
 		hip->userflags |= HFSPLUS_FLG_NODUMP;
-- 
1.9.1

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