git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Nick Piggin <nickpiggin@yahoo.com.au>
	Mon, 14 Nov 2005 00:07:25 +0000 (16:07 -0800)
committer	Linus Torvalds <torvalds@g5.osdl.org>
	Mon, 14 Nov 2005 02:14:16 +0000 (18:14 -0800)
commit	1cc83cab0c3e286f56895f6f8b3f96a53848bc2d
tree	827bd2588c2b73d11cea6869de8ff42dba134375	tree \| snapshot
parent	6db3d4b8b7024603eb886199fee5ebc4d940a80d	commit \| diff

[PATCH] atomic: inc_not_zero

Introduce an atomic_inc_not_zero operation. Make this a special case of
atomic_add_unless because lockless pagecache actually wants
atomic_inc_not_negativeone due to its offset refcount.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

23 files changed:

Documentation/atomic_ops.txt		diff \| blob \| history
arch/sparc/lib/atomic32.c		diff \| blob \| history
include/asm-alpha/atomic.h		diff \| blob \| history
include/asm-arm/atomic.h		diff \| blob \| history
include/asm-arm26/atomic.h		diff \| blob \| history
include/asm-cris/atomic.h		diff \| blob \| history
include/asm-frv/atomic.h		diff \| blob \| history
include/asm-h8300/atomic.h		diff \| blob \| history
include/asm-i386/atomic.h		diff \| blob \| history
include/asm-ia64/atomic.h		diff \| blob \| history
include/asm-m68k/atomic.h		diff \| blob \| history
include/asm-m68knommu/atomic.h		diff \| blob \| history
include/asm-mips/atomic.h		diff \| blob \| history
include/asm-parisc/atomic.h		diff \| blob \| history
include/asm-powerpc/atomic.h		diff \| blob \| history
include/asm-s390/atomic.h		diff \| blob \| history
include/asm-sh/atomic.h		diff \| blob \| history
include/asm-sh64/atomic.h		diff \| blob \| history
include/asm-sparc/atomic.h		diff \| blob \| history
include/asm-sparc64/atomic.h		diff \| blob \| history
include/asm-v850/atomic.h		diff \| blob \| history
include/asm-x86_64/atomic.h		diff \| blob \| history
include/asm-xtensa/atomic.h		diff \| blob \| history

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