On Wed, 2011-05-04 at 00:44 -0400, Mike Frysinger wrote:
On Tue, May 3, 2011 at 17:30, Sven Eckelmann wrote:Introduce an *_dec_not_zero operation. Make this a special case of *_add_unless because batman-adv uses atomic_dec_not_zero in different places like re-broadcast queue or aggregation queue management. There are other non-final patches which may also want to use this macro. Cc: uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx --- a/arch/blackfin/include/asm/atomic.h +++ b/arch/blackfin/include/asm/atomic.h @@ -103,6 +103,7 @@ static inline int atomic_test_mask(int mask, atomic_t *v) c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) /* * atomic_inc_and_test - increment and testno opinion on the actual idea, but for the Blackfin pieces: Acked-by: Mike Frysinger <vapier@xxxxxxxxxx>
This goes for parisc as well. Acked-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> James -- To unsubscribe from this list: send the line "unsubscribe linux-m68k" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
