Name
lock_sock_fast —
fast version of lock_sock
Synopsis
bool lock_sock_fast ( | struct sock * sk); |
Description
This version should be used for very small section, where process wont block
return false if fast path is taken
sk_lock.slock locked, owned = 0, BH disabled
return true if slow path is taken
sk_lock.slock unlocked, owned = 1, BH enabled