JFS_NAME_MAX
lkey.name = kmalloc_array(JFS_NAME_MAX + 1, sizeof(wchar_t),
rkey.name = kmalloc_array(JFS_NAME_MAX + 1, sizeof(wchar_t),
ciKey.name = kmalloc_array(JFS_NAME_MAX + 1, sizeof(wchar_t),
key.name = kmalloc_array(JFS_NAME_MAX + 2, sizeof(wchar_t), GFP_NOFS);
if (length > JFS_NAME_MAX)
buf->f_namelen = JFS_NAME_MAX;