Author: kib
Date: Mon Jul 14 08:59:25 2014
New Revision: 268610
URL: http://svnweb.freebsd.org/changeset/base/268610
Log:
Add convenience macro to assert tmpfs node lock.
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Modified:
head/sys/fs/tmpfs/tmpfs.h
head/sys/fs/tmpfs/tmpfs_subr.c
Modified: head/sys/fs/tmpfs/tmpfs.h
==============================================================================
--- head/sys/fs/tmpfs/tmpfs.h Mon Jul 14 08:55:02 2014 (r268609)
+++ head/sys/fs/tmpfs/tmpfs.h Mon Jul 14 08:59:25 2014 (r268610)
@@ -276,6 +276,8 @@ LIST_HEAD(tmpfs_node_list, tmpfs_node);
#define TMPFS_NODE_LOCK(node) mtx_lock(&(node)->tn_interlock)
#define TMPFS_NODE_UNLOCK(node) mtx_unlock(&(node)->tn_interlock)
#define TMPFS_NODE_MTX(node) (&(node)->tn_interlock)
+#define TMPFS_NODE_ASSERT_LOCKED(node) mtx_assert(TMPFS_NODE_MTX(node),
\
+ MA_OWNED)
#ifdef INVARIANTS
#define TMPFS_ASSERT_LOCKED(node) do { \
Modified: head/sys/fs/tmpfs/tmpfs_subr.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_subr.c Mon Jul 14 08:55:02 2014
(r268609)
+++ head/sys/fs/tmpfs/tmpfs_subr.c Mon Jul 14 08:59:25 2014
(r268610)
@@ -633,7 +633,7 @@ tmpfs_free_vp(struct vnode *vp)
node = VP_TO_TMPFS_NODE(vp);
- mtx_assert(TMPFS_NODE_MTX(node), MA_OWNED);
+ TMPFS_NODE_ASSERT_LOCKED(node);
node->tn_vnode = NULL;
if ((node->tn_vpstate & TMPFS_VNODE_WRECLAIM) != 0)
wakeup(&node->tn_vnode);
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