tree 7b65e96f985cf6daa9b0a40995c13e9b9be890a6
parent 64fd72e0a44bdd62c5ca277cb24d0d02b2d8e9dc
author Al Viro <viro@zeniv.linux.org.uk> 1401299472 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1401367568 -0400

split dentry_kill()

... into trylocks and everything else.  The latter (actual killing)
is __dentry_kill().

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