diff --git a/fs/eventfd.c b/fs/eventfd.c index 91c0829a703..2a701d593d3 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -51,7 +51,7 @@ int eventfd_signal(struct file *file, int n) n = (int) (ULLONG_MAX - ctx->count); ctx->count += n; if (waitqueue_active(&ctx->wqh)) - wake_up_locked(&ctx->wqh); + wake_up_locked_poll(&ctx->wqh, POLLIN); spin_unlock_irqrestore(&ctx->wqh.lock, flags); return n; @@ -120,7 +120,7 @@ static ssize_t eventfd_read(struct file *file, char __user *buf, size_t count, ucnt = (ctx->flags & EFD_SEMAPHORE) ? 1 : ctx->count; ctx->count -= ucnt; if (waitqueue_active(&ctx->wqh)) - wake_up_locked(&ctx->wqh); + wake_up_locked_poll(&ctx->wqh, POLLOUT); } spin_unlock_irq(&ctx->wqh.lock); if (res > 0 && put_user(ucnt, (__u64 __user *) buf)) @@ -169,7 +169,7 @@ static ssize_t eventfd_write(struct file *file, const char __user *buf, size_t c if (likely(res > 0)) { ctx->count += ucnt; if (waitqueue_active(&ctx->wqh)) - wake_up_locked(&ctx->wqh); + wake_up_locked_poll(&ctx->wqh, POLLIN); } spin_unlock_irq(&ctx->wqh.lock);