make nameidata_dentry_drop_rcu_maybe() always leave RCU mode
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 4 Mar 2011 19:39:30 +0000 (14:39 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 14 Mar 2011 13:15:25 +0000 (09:15 -0400)
commita7472baba22dd5d68580f528374f93421b33667e
treea7919a0dea2c58fa498e17d6c7be19fb0b9b571f
parentef7562d5283a91da3ba5c14de3221f47b7f08823
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>
fs/namei.c