rwsem: smaller wrappers around rwsem_down_failed_common
authorMichel Lespinasse <walken@google.com>
Tue, 10 Aug 2010 00:21:20 +0000 (17:21 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 10 Aug 2010 03:45:11 +0000 (20:45 -0700)
commita8618a0e8a06f75c6efec2a5477861d704d48b28
tree02679a316c5dea69e337ff65219d7c116f5a59aa
parent424acaaeb3a3932d64a9b4bd59df6cf72c22d8f3
rwsem: smaller wrappers around rwsem_down_failed_common

More code can be pushed from rwsem_down_read_failed and
rwsem_down_write_failed into rwsem_down_failed_common.

Following change adding down_read_critical infrastructure support also
enjoys having flags available in a register rather than having to fish it
out in the struct rwsem_waiter...

Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Mike Waychison <mikew@google.com>
Cc: Suleiman Souhlal <suleiman@google.com>
Cc: Ying Han <yinghan@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/rwsem.c