Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

fs/smb/client/cifsacl.c cifs_get_acl() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/cifsacl.c cifs_set_acl() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &dentry->d_lockref.lock

fs/smb/client/cifsacl.c get_cifs_acl_by_fid() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/cifsacl.c get_cifs_acl_by_path() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/cifsacl.c set_cifs_acl() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &inode->i_rwsem

fs/smb/client/link.c cifs_hardlink() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/link.c cifs_symlink() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/smb2file.c smb2_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/smb2file.c smb2_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/smb2file.c smb2_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/readdir.c cifs_readdir() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &dir_fp->readdir_lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2pdu.c smb2_reconnect() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &ses->session_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &pserver->reconnect_mutex
TYPE_LOCK (struct cifs_ses)->session_mutex

fs/smb/client/dfs_cache.c is_ses_good() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/dfs_cache.c refresh_ses_referral() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
NOCHECK_CALL
HALF_LOCKED2 &pool->lock

fs/smb/client/dfs_cache.c refresh_tcon_referral() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/sess.c cifs_ses_add_channel() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/dir.c cifs_atomic_open() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
NOCHECK_CALL
HALF_LOCKED2 &dir_inode->i_rwsem
HALF_LOCKED2 &direntry->d_lockref.lock

fs/smb/client/dir.c cifs_create() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &dir->i_rwsem

fs/smb/client/dir.c cifs_lookup() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &parent_dir_inode->i_rwsem

fs/smb/client/dir.c cifs_mknod() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 _T->lock

fs/smb/client/dir.c cifs_tmpfile() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c _cifsFileInfo_put() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_closedir() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_file_mmap_prepare() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_file_strict_mmap_prepare() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_flock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_flock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_flock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_free_subrequest() -> _free_xid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_fsync() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_lock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_lock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_lock() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_open() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_open() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_open() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/file.c cifs_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/file.c cifs_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/file.c cifs_push_mandatory_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/file.c cifs_push_posix_locks() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &cinode->lock_sem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct cifsInodeInfo)->lock_sem

fs/smb/client/file.c cifs_reopen_file() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &pserver->reconnect_mutex

fs/smb/client/file.c cifs_reopen_file() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &pserver->reconnect_mutex

fs/smb/client/file.c cifs_reopen_file() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &pserver->reconnect_mutex

fs/smb/client/file.c cifs_strict_fsync() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/ioctl.c cifs_ioctl() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
NOCHECK_CALL

fs/smb/client/smb2ops.c get_smb2_acl_by_fid() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/smb2ops.c get_smb2_acl_by_path() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/smb2ops.c set_smb2_acl() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &inode->i_rwsem

fs/smb/client/smb2ops.c smb3_collapse_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2ops.c smb3_fiemap() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
NOCHECK_CALL

fs/smb/client/smb2ops.c smb3_insert_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2ops.c smb3_llseek() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/smb2ops.c smb3_punch_hole() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2ops.c smb3_simple_falloc() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2ops.c smb3_simple_falloc() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/smb2ops.c smb3_zero_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/smb/client/connect.c __cifs_put_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &pserver->reconnect_mutex
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_smb_ses() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_get_tcon() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_mount() -> _free_xid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 global &cifs_mount_mutex
HALF_LOCKED2 &fc->uapi_mutex

fs/smb/client/connect.c cifs_mount_put_conns() -> _free_xid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 global &cifs_mount_mutex
HALF_LOCKED2 &fc->uapi_mutex

fs/smb/client/connect.c cifs_put_tcon() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &pserver->reconnect_mutex
HALF_LOCKED2 global &cifs_mount_mutex

fs/smb/client/connect.c cifs_setup_ipc() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/connect.c smb2_query_server_interfaces() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
NOCHECK_CALL
HALF_LOCKED2 &pool->lock

fs/smb/client/inode.c __cifs_unlink() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &target->i_rwsem

fs/smb/client/inode.c cifs_get_file_info() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/inode.c cifs_get_file_info_unix() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/inode.c cifs_mkdir() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &direntry->d_lockref.lock

fs/smb/client/inode.c cifs_rename2() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &source->i_rwsem
HALF_LOCKED2 &target->i_rwsem

fs/smb/client/inode.c cifs_revalidate_dentry_attr() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/inode.c cifs_rmdir() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &direntry->d_inode->i_rwsem

fs/smb/client/inode.c cifs_root_iget() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 global &cifs_mount_mutex
HALF_LOCKED2 &fc->uapi_mutex
HALF_LOCKED2 &sb->s_umount

fs/smb/client/inode.c cifs_setattr_nounix() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &direntry->d_inode->i_rwsem
HALF_LOCKED2 &direntry->d_lockref.lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock

fs/smb/client/inode.c cifs_setattr_unix() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &direntry->d_inode->i_rwsem
HALF_LOCKED2 &direntry->d_lockref.lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock

fs/smb/client/xattr.c cifs_listxattr() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/xattr.c cifs_xattr_get() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

fs/smb/client/xattr.c cifs_xattr_set() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &dentry->d_inode->i_rwsem
HALF_LOCKED2 &inode->i_rwsem

fs/smb/client/cifsfs.c cifs_copy_file_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
NOCHECK_CALL
HALF_LOCKED2 &inode_out->i_rwsem
HALF_LOCKED2 &pool->lock

fs/smb/client/cifsfs.c cifs_copy_file_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
NOCHECK_CALL
HALF_LOCKED2 &inode_out->i_rwsem
HALF_LOCKED2 &pool->lock

fs/smb/client/cifsfs.c cifs_remap_file_range() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &inode_out->i_rwsem

fs/smb/client/cifsfs.c cifs_statfs() -> _free_xid()

Type Parameter Key Value
DATA_SOURCE 0 xid r _get_xid
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &s->s_umount