nfsd: move blocked lock handling under a dedicated spinlock

Bruce was hitting some lockdep warnings in testing, showing that we
could hit a deadlock with the new CB_NOTIFY_LOCK handling, involving a
rather complex situation involving four different spinlocks.

The crux of the matter is that we end up taking the nn->client_lock in
the lm_notify handler. The simplest fix is to just declare a new
per-nfsd_net spinlock to protect the new CB_NOTIFY_LOCK structures.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

path: root/trafgen/Makefile

trafgen-libs =	$(shell pkg-config --libs libnl-3.0) \
		$(shell pkg-config --libs libnl-genl-3.0) \
		-lm

trafgen-objs =	xmalloc.o \
		xio.o \
		xutils.o \
		mac80211.o \
		ring_tx.o \
		trafgen_lexer.yy.o \
		trafgen_parser.tab.o \
		trafgen.o

trafgen-lex =	trafgen_lexer.yy.o

trafgen-yaac =	trafgen_parser.tab.o