It gains new `struct ww_acquire_ctx *` argument we don't use currently.
Reviewed by: manu
Approved by: manu
Differential Revision: https://reviews.freebsd.org/D38568
It is defined as a synonymous to `DEFINE_WW_CLASS(name)`.
Reviewed by: manu
Approved by: manu
Differential Revision: https://reviews.freebsd.org/D38151
When locking a mutex and deadlock is detected the first mutex lock
call that sees the deadlock will return -EDEADLK .
MFC after: 1 week
Sponsored by: Mellanox Technologies