Hello Joel, On Monday, August 20, 2012 8:00 AM Joel Becker wrote: <snip> > I think what you want here is a symlink. Create a directory high in > the tree called 'ready' or 'available', and when you want to lock the > device in place, symlink it into that directory. This will pin the item. > You can also make use of the ->allow_link() and ->drop_link() callbacks to > prevent symlinking an item until it is fully configured, and prevent > unlinking an item that is in use. > I have a question to you. In fs/configfs/dir.c, in a comment before configfs_depend_item and configfs_depend_prep you say that "configfs uses VFS to handle all locking". I am trying to understand how this works. Could you please elaborate a bit about it? Which locks from VFS handle "all locking"? When does locking happen? Thanks, Andrzej -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
