tree ee3f026727cff4acf5d7adbd7674d4177677f12f
parent 7af1364ffa64db61e386628594836e13d2ef04b5
author Eric W. Biederman <ebiederman@twitter.com> 1379903821 -0700
committer Al Viro <viro@zeniv.linux.org.uk> 1412836734 -0400

vfs: Keep a list of mounts on a mount point

To spot any possible problems call BUG if a mountpoint
is put when it's list of mounts is not empty.

AV: use hlist instead of list_head

Reviewed-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Eric W. Biederman <ebiederman@twitter.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>