DCACHE_NEED_AUTOMOUNT
dentry->d_flags |= (DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT);
dentry->d_flags &= ~(DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT);
add_flags |= DCACHE_NEED_AUTOMOUNT;
if (!(flags & DCACHE_NEED_AUTOMOUNT))
return !(flags & DCACHE_NEED_AUTOMOUNT);
if (dentry->d_flags & (DCACHE_NEED_AUTOMOUNT | DCACHE_MANAGE_TRANSIT))
!(direntry->d_flags & DCACHE_NEED_AUTOMOUNT)) {
direntry->d_flags |= DCACHE_NEED_AUTOMOUNT;
(DCACHE_MOUNTED|DCACHE_NEED_AUTOMOUNT|DCACHE_MANAGE_TRANSIT)