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authorJason Gunthorpe <jgg@mellanox.com>2019-02-04 14:53:42 -0700
committerJason Gunthorpe <jgg@mellanox.com>2019-02-04 14:53:42 -0700
commit6a8a2aa62da2fbe51f5449993fd366398048f465 (patch)
tree566c6fcc782eefbca054af8553371d09b9d0734c /include/net/ax25.h
parentIB/core: Remove ib_sg_dma_address() and ib_sg_dma_len() (diff)
parentLinux 5.0-rc5 (diff)
downloadlinux-dev-6a8a2aa62da2fbe51f5449993fd366398048f465.tar.xz
linux-dev-6a8a2aa62da2fbe51f5449993fd366398048f465.zip
Merge tag 'v5.0-rc5' into rdma.git for-next
Linux 5.0-rc5 Needed to merge the include/uapi changes so we have an up to date single-tree for these files. Patches already posted are also expected to need this for dependencies.
Diffstat (limited to 'include/net/ax25.h')
-rw-r--r--include/net/ax25.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 3f9aea8087e3..8b7eb46ad72d 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -201,6 +201,18 @@ static inline void ax25_hold_route(ax25_route *ax25_rt)
void __ax25_put_route(ax25_route *ax25_rt);
+extern rwlock_t ax25_route_lock;
+
+static inline void ax25_route_lock_use(void)
+{
+ read_lock(&ax25_route_lock);
+}
+
+static inline void ax25_route_lock_unuse(void)
+{
+ read_unlock(&ax25_route_lock);
+}
+
static inline void ax25_put_route(ax25_route *ax25_rt)
{
if (refcount_dec_and_test(&ax25_rt->refcount))