.attr = &v9fs_synth_root.actual_attr,
};
-/*FIXME!! should be converted to qemu_rwlock_t */
-static pthread_rwlock_t v9fs_synth_mutex;
+static QemuMutex v9fs_synth_mutex;
static int v9fs_synth_node_count;
/* set to 1 when the synth fs is ready */
static int v9fs_synth_fs;
}
node->private = node;
strncpy(node->name, name, sizeof(node->name));
- QLIST_INSERT_HEAD(&parent->child, node, sibling);
+ QLIST_INSERT_HEAD_RCU(&parent->child, node, sibling);
return node;
}
if (!parent) {
parent = &v9fs_synth_root;
}
- pthread_rwlock_wrlock(&v9fs_synth_mutex);
+ qemu_mutex_lock(&v9fs_synth_mutex);
QLIST_FOREACH(tmp, &parent->child, sibling) {
if (!strcmp(tmp->name, name)) {
ret = EEXIST;
*result = node;
ret = 0;
err_out:
- pthread_rwlock_unlock(&v9fs_synth_mutex);
+ qemu_mutex_unlock(&v9fs_synth_mutex);
return ret;
}
parent = &v9fs_synth_root;
}
- pthread_rwlock_wrlock(&v9fs_synth_mutex);
+ qemu_mutex_lock(&v9fs_synth_mutex);
QLIST_FOREACH(tmp, &parent->child, sibling) {
if (!strcmp(tmp->name, name)) {
ret = EEXIST;
node->attr->mode = mode;
node->private = arg;
strncpy(node->name, name, sizeof(node->name));
- QLIST_INSERT_HEAD(&parent->child, node, sibling);
+ QLIST_INSERT_HEAD_RCU(&parent->child, node, sibling);
ret = 0;
err_out:
- pthread_rwlock_unlock(&v9fs_synth_mutex);
+ qemu_mutex_unlock(&v9fs_synth_mutex);
return ret;
}
int i = 0;
V9fsSynthNode *node;
- pthread_rwlock_rdlock(&v9fs_synth_mutex);
+ rcu_read_lock();
QLIST_FOREACH(node, &dir->child, sibling) {
/* This is the off child of the directory */
if (i == off) {
}
i++;
}
- pthread_rwlock_unlock(&v9fs_synth_mutex);
+ rcu_read_unlock();
if (!node) {
/* end of directory */
*result = NULL;
goto out;
}
/* search for the name in the childern */
- pthread_rwlock_rdlock(&v9fs_synth_mutex);
+ rcu_read_lock();
QLIST_FOREACH(node, &dir_node->child, sibling) {
if (!strcmp(node->name, name)) {
break;
}
}
- pthread_rwlock_unlock(&v9fs_synth_mutex);
+ rcu_read_unlock();
+
if (!node) {
errno = ENOENT;
return -1;
static int v9fs_synth_init(FsContext *ctx)
{
- pthread_rwlockattr_t rwlockattr;
-
QLIST_INIT(&v9fs_synth_root.child);
- pthread_rwlockattr_init(&rwlockattr);
- pthread_rwlock_init(&v9fs_synth_mutex, &rwlockattr);
+ qemu_mutex_init(&v9fs_synth_mutex);
/* Add "." and ".." entries for root */
v9fs_add_dir_node(&v9fs_synth_root, v9fs_synth_root.attr->mode,