tree a7919a0dea2c58fa498e17d6c7be19fb0b9b571f
parent ef7562d5283a91da3ba5c14de3221f47b7f08823
author Al Viro <viro@zeniv.linux.org.uk> 1299267570 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1300108525 -0400

make nameidata_dentry_drop_rcu_maybe() always leave RCU mode

Now we have do_follow_link() guaranteed to leave without dangling RCU
and the next step will get LOOKUP_RCU logics completely out of
link_path_walk().

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