On Mon, May 02, 2016 at 02:08:39AM +0100, Al Viro wrote: > Should use lookup_one_len_unlocked(), actually. lookup_hash() is > a microoptimization, losing a lot more on excessive i_mutex contention. > Either variant works, though. PS: if anybody has a better name for lookup_one_len_unlocked(), I'll gladly rename it; the thing hadn't been in the kernel for too long and the name is somewhat confusing. It's an equivalent of inode_lock() lookup_one_len() inode_unlock() except that it avoids taking the lock when it's not needed. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
