Al Viro a685e08987 Delay struct net freeing while there's a sysfs instance refering to it ... * new refcount in struct net, controlling actual freeing of the memory * new method in kobj_ns_type_operations (->drop_ns()) * ->current_ns() semantics change - it's supposed to be followed by corresponding ->drop_ns(). For struct net in case of CONFIG_NET_NS it bumps the new refcount; net_drop_ns() decrements it and calls net_free() if the last reference has been dropped. Method renamed to ->grab_current_ns(). * old net_free() callers call net_drop_ns() instead. * sysfs_exit_ns() is gone, along with a large part of callchain leading to it; now that the references stored in ->ns[...] stay valid we do not need to hunt them down and replace them with NULL. That fixes problems in sysfs_lookup() and sysfs_readdir(), along with getting rid of sb->s_instances abuse. Note that struct net *shutdown* logics has not changed - net_cleanup() is called exactly when it used to be called. The only thing postponed by having a sysfs instance refering to that struct net is actual freeing of memory occupied by struct net. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>		2011-06-12 17:45:41 -04:00
..
bin.c
dir.c
file.c
group.c
inode.c
Kconfig
Makefile
mount.c	Delay struct net freeing while there's a sysfs instance refering to it	2011-06-12 17:45:41 -04:00
symlink.c
sysfs.h	Delay struct net freeing while there's a sysfs instance refering to it	2011-06-12 17:45:41 -04:00