{
struct path old_root;
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
old_root = fs->root;
fs->root = *path;
path_get(path);
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
if (old_root.dentry)
path_put(&old_root);
}
{
struct path old_pwd;
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
old_pwd = fs->pwd;
fs->pwd = *path;
path_get(path);
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
if (old_pwd.dentry)
path_put(&old_pwd);
task_lock(p);
fs = p->fs;
if (fs) {
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
if (fs->root.dentry == old_root->dentry
&& fs->root.mnt == old_root->mnt) {
path_get(new_root);
fs->pwd = *new_root;
count++;
}
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
}
task_unlock(p);
} while_each_thread(g, p);
if (fs) {
int kill;
task_lock(tsk);
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
tsk->fs = NULL;
kill = !--fs->users;
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
task_unlock(tsk);
if (kill)
free_fs_struct(fs);
if (fs) {
fs->users = 1;
fs->in_exec = 0;
- rwlock_init(&fs->lock);
+ spin_lock_init(&fs->lock);
fs->umask = old->umask;
get_fs_root_and_pwd(old, &fs->root, &fs->pwd);
}
return -ENOMEM;
task_lock(current);
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
kill = !--fs->users;
current->fs = new_fs;
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
task_unlock(current);
if (kill)
/* to be mentioned only in INIT_TASK */
struct fs_struct init_fs = {
.users = 1,
- .lock = __RW_LOCK_UNLOCKED(init_fs.lock),
+ .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock),
.umask = 0022,
};
task_lock(current);
- write_lock(&init_fs.lock);
+ spin_lock(&init_fs.lock);
init_fs.users++;
- write_unlock(&init_fs.lock);
+ spin_unlock(&init_fs.lock);
- write_lock(&fs->lock);
+ spin_lock(&fs->lock);
current->fs = &init_fs;
kill = !--fs->users;
- write_unlock(&fs->lock);
+ spin_unlock(&fs->lock);
task_unlock(current);
if (kill)