LOCK_SOCK_FAST(9) Linux Networking LOCK_SOCK_FAST(9)NAMElock_sock_fast - fast version of lock_sock
SYNOPSIS
bool lock_sock_fast(struct sock * sk);
ARGUMENTS
sk
socket
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
COPYRIGHTKernel Hackers Manual 3.8. June 2014 LOCK_SOCK_FAST(9)