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Subject[PATCH 1/4] timerfd: add support for keyed wakeups
Date
This prepares timerfd for use with aio poll.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Avi Kivity <avi@scylladb.com>
---
fs/timerfd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/timerfd.c b/fs/timerfd.c
index cdad49da3ff7..f6c54fd56645 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -66,7 +66,7 @@ static void timerfd_triggered(struct timerfd_ctx *ctx)
spin_lock_irqsave(&ctx->wqh.lock, flags);
ctx->expired = 1;
ctx->ticks++;
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, EPOLLIN);
spin_unlock_irqrestore(&ctx->wqh.lock, flags);
}

@@ -107,7 +107,7 @@ void timerfd_clock_was_set(void)
if (ctx->moffs != moffs) {
ctx->moffs = KTIME_MAX;
ctx->ticks++;
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, EPOLLIN);
}
spin_unlock_irqrestore(&ctx->wqh.lock, flags);
}
@@ -345,7 +345,7 @@ static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg
spin_lock_irq(&ctx->wqh.lock);
if (!timerfd_canceled(ctx)) {
ctx->ticks = ticks;
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, EPOLLIN);
} else
ret = -ECANCELED;
spin_unlock_irq(&ctx->wqh.lock);
--
2.18.0
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