[PATCH] add sem_is_read/write_locked()
authorRik Van Riel <riel@redhat.com>
Sun, 30 Oct 2005 01:15:44 +0000 (18:15 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sun, 30 Oct 2005 04:40:35 +0000 (21:40 -0700)
commiteb92f4ef320b738e41ad43476a5d05c8a20d5cc7
treef9a6bb78a0561587f142b2b1208819f6cffe9835
parent63f324cf0792ed69089b79d6921ba3aaea97af50
[PATCH] add sem_is_read/write_locked()

Add sem_is_read/write_locked functions to the read/write semaphores, along the
same lines of the *_is_locked spinlock functions.  The swap token tuning patch
uses sem_is_read_locked; sem_is_write_locked is added for completeness.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
include/asm-alpha/rwsem.h
include/asm-i386/rwsem.h
include/asm-ia64/rwsem.h
include/asm-ppc/rwsem.h
include/asm-ppc64/rwsem.h
include/asm-s390/rwsem.h
include/asm-sh/rwsem.h
include/asm-sparc64/rwsem.h
include/asm-x86_64/rwsem.h
include/linux/rwsem-spinlock.h