diff options
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index a946176db638..c376f3b36c89 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -282,6 +282,13 @@ do { \ 1 : ({ local_irq_restore(flags); 0; }); \ }) +#define write_trylock_irqsave(lock, flags) \ +({ \ + local_irq_save(flags); \ + write_trylock(lock) ? \ + 1 : ({ local_irq_restore(flags); 0; }); \ +}) + /* * Locks two spinlocks l1 and l2. * l1_first indicates if spinlock l1 should be taken first. |