Mateusz Guzik d2222aa0e9 fd: use smr for managing struct pwd
This has a side effect of eliminating filedesc slock/sunlock during path
lookup, which in turn removes contention vs concurrent modifications to the fd
table.

Reviewed by:	markj, kib
Differential Revision:	https://reviews.freebsd.org/D23889
2020-03-08 00:23:36 +00:00
..
2019-12-11 17:37:53 +00:00
2019-01-27 00:46:06 +00:00