vfs: use mutexes for locking

kernel-src/fs/devfs.c

@@ -331,9 +331,7 @@ static vops_t vnops = {
 static void ctor(scache_t *cache, void *obj) {
 	devnode_t *node = obj;
 	memset(node, 0, sizeof(devnode_t));
-	node->vnode.refcount = 1;
-	SPINLOCK_INIT(node->vnode.lock);
-	node->vnode.ops = &vnops;
+	VOP_INIT(&node->vnode, &vnops, 0, 0, NULL)
 	node->attr.inode = ++currentinode;
 }
 

kernel-src/fs/ext2.c

@@ -2,6 +2,8 @@
 #include <kernel/alloc.h>
 #include <kernel/timekeeper.h>
 #include <kernel/slab.h>
+#include <kernel/vmm.h>
+#include <arch/cpu.h>
 #include <kernel/pmm.h>
 #include <hashtable.h>
 #include <mutex.h>

kernel-src/fs/pipefs.c

@@ -234,13 +234,10 @@ static vops_t vnops = {
 static void ctor(scache_t *cache, void *obj) {
 	pipenode_t *node = obj;
 	memset(node, 0, sizeof(pipenode_t));
-	node->vnode.refcount = 1;
-	SPINLOCK_INIT(node->vnode.lock);
-	node->vnode.ops = &vnops;
+	VOP_INIT(&node->vnode, &vnops, 0, 0, NULL);
 	node->attr.inode = ++currentinode;
 	EVENT_INIT(&node->writeevent);
 	EVENT_INIT(&node->readevent);
-	node->vnode.type = V_TYPE_FIFO;
 }
 
 void pipefs_init() {

kernel-src/fs/tmpfs.c

@@ -530,11 +530,7 @@ static tmpfsnode_t *newnode(vfs_t *vfs, int type) {
 
 	node->attr.type = type;
 	node->attr.inode = ++((tmpfs_t *)vfs)->inodenumber;
-	node->vnode.type = type;
-	node->vnode.refcount = 1;
-	SPINLOCK_INIT(node->vnode.lock);
-	node->vnode.ops = &vnops;
-	node->vnode.vfs = vfs;
+	VOP_INIT(&node->vnode, &vnops, 0, type, vfs);
 	return node;
 }