android_kernel_xiaomi_sm8350/fs/proc
Eric W. Biederman 2b1e300a9d [NETNS]: Fix /proc/net breakage
Well I clearly goofed when I added the initial network namespace support
for /proc/net.  Currently things work but there are odd details visible to
user space, even when we have a single network namespace.

Since we do not cache proc_dir_entry dentries at the moment we can just
modify ->lookup to return a different directory inode depending on the
network namespace of the process looking at /proc/net, replacing the
current technique of using a magic and fragile follow_link method.

To accomplish that this patch:
- introduces a shadow_proc method to allow different dentries to
  be returned from proc_lookup.
- Removes the old /proc/net follow_link magic
- Fixes a weakness in our not caching of proc generic dentries.

As shadow_proc uses a task struct to decided which dentry to return we can
go back later and fix the proc generic caching without modifying any code
that uses the shadow_proc method.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2007-12-02 00:33:17 +11:00
..
array.c sched: fix /proc/<PID>/stat stime/utime monotonicity, part 2 2007-10-30 00:26:32 +01:00
base.c proc: simplify and correct proc_flush_task 2007-11-14 18:45:42 -08:00
generic.c [NETNS]: Fix /proc/net breakage 2007-12-02 00:33:17 +11:00
inode-alloc.txt
inode.c pid namespaces: make proc have multiple superblocks - one for each namespace 2007-10-19 11:53:39 -07:00
internal.h proc: fix proc_kill_inodes to kill dentries on all proc superblocks 2007-11-14 18:45:38 -08:00
kcore.c
kmsg.c
Makefile
mmu.c fs/proc/mmu.c: headers butchery 2007-10-17 08:42:48 -07:00
nommu.c
proc_devtree.c
proc_misc.c pid namespaces: define and use task_active_pid_ns() wrapper 2007-10-19 11:53:37 -07:00
proc_net.c [NETNS]: Fix /proc/net breakage 2007-12-02 00:33:17 +11:00
proc_sysctl.c Fix pointer mismatches in proc_sysctl.c 2007-10-25 15:16:49 -07:00
proc_tty.c
root.c proc: fix proc_kill_inodes to kill dentries on all proc superblocks 2007-11-14 18:45:38 -08:00
task_mmu.c
task_nommu.c
vmcore.c