linux/include/linux/sysctl.h
Eric W. Biederman 452452beb8 sysctl: Allow creating permanently empty directories that serve as mountpoints.
commit f9bd6733d3 upstream.

Add a magic sysctl table sysctl_mount_point that when used to
create a directory forces that directory to be permanently empty.

Update the code to use make_empty_dir_inode when accessing permanently
empty directories.

Update the code to not allow adding to permanently empty directories.

Update /proc/sys/fs/binfmt_misc to be a permanently empty directory.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
2015-07-15 10:01:06 +01:00

220 lines
6.6 KiB