autofs: change autofs4_expire_wait()/do_expire_wait() to take struct path
In order to use the functions path_is_mountpoint() and path_has_submounts() autofs needs to pass a struct path in several places. Start by changing autofs4_expire_wait() and do_expire_wait() to take a struct path instead of a struct dentry. Link: http://lkml.kernel.org/r/20161011053408.27645.40091.stgit@pluto.themaw.netSigned-off-by: Ian Kent <raven@themaw.net> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Omar Sandoval <osandov@osandov.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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