Commit 01d35255 authored Jul 01, 2019 by Eric Biggers Committed by Jaegeuk Kim Jul 30, 2019

f2fs: remove redundant check from f2fs_setflags_common()



Now that f2fs_ioc_setflags() and f2fs_ioc_fssetxattr() call the VFS
helper functions which check for permission to change the immutable and
append-only flags, it's no longer needed to do this check in
f2fs_setflags_common() too.  So remove it.

This is based on a patch from Darrick Wong, but reworked to apply after
commit 360985573b55 ("f2fs: separate f2fs i_flags from fs_flags and ext4
i_flags").

Originally-from: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent e8314185

fs/f2fs/file.c

+1 −8

Original line number	Diff line number	Diff line
		@@ -1653,19 +1653,12 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
		static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
		{
		struct f2fs_inode_info *fi = F2FS_I(inode);
		u32 oldflags;

		/* Is it quota file? Do not allow user to mess with it */
		if (IS_NOQUOTA(inode))
		return -EPERM;

		oldflags = fi->i_flags;

		if ((iflags ^ oldflags) & (F2FS_APPEND_FL \| F2FS_IMMUTABLE_FL))
		if (!capable(CAP_LINUX_IMMUTABLE))
		return -EPERM;

		fi->i_flags = iflags \| (oldflags & ~mask);
		fi->i_flags = iflags \| (fi->i_flags & ~mask);

		if (fi->i_flags & F2FS_PROJINHERIT_FL)
		set_inode_flag(inode, FI_PROJ_INHERIT);