[TIPC]: Overhaul of socket locking logic
authorAllan Stephens <allan.stephens@windriver.com>
Tue, 15 Apr 2008 07:22:02 +0000 (00:22 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 15 Apr 2008 07:22:02 +0000 (00:22 -0700)
commit0c3141e910eaaa0b617e2f26c69b266d1cd1f035
tree53b9f635b8dc2bf82d49e2d29f6e07677fa4811e
parentb89741a0cc162511b4341c07e17e1bd4c8b4621d
[TIPC]: Overhaul of socket locking logic

This patch modifies TIPC's socket code to follow the same approach
used by other protocols.  This change eliminates the need for a
mutex in the TIPC-specific portion of the socket protocol data
structure -- in its place, the standard Linux socket backlog queue
and associated locking routines are utilized.  These changes fix
a long-standing receive queue bug on SMP systems, and also enable
individual read and write threads to utilize a socket without
unnecessarily interfering with each other.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/tipc/tipc_port.h
net/tipc/port.c
net/tipc/socket.c