tree 2ad5e963e698e9524e0eabe466534f03ce324226
parent 7eb5e8826911f2792179f99e77e75fbb7ef53a4a
author Al Viro <viro@zeniv.linux.org.uk> 1380658286 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1382672100 -0400

split __lookup_mnt() in two functions

Instead of passing the direction as argument (and checking it on every
step through the hash chain), just have separate __lookup_mnt() and
__lookup_mnt_last().  And use the standard iterators...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>