diff mbox series

[30/31] timerfd: convert to ->poll_mask

Message ID 20180522113108.25713-31-hch@lst.de
State Not Applicable, archived
Delegated to: David Miller
Headers show
Series [01/31] fs: unexport poll_schedule_timeout | expand

Commit Message

Christoph Hellwig May 22, 2018, 11:31 a.m. UTC
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/timerfd.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

Comments

Sergei Shtylyov May 22, 2018, 4:59 p.m. UTC | #1
Hello!

On 05/22/2018 02:31 PM, Christoph Hellwig wrote:

> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  fs/timerfd.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/timerfd.c b/fs/timerfd.c
> index cdad49da3ff7..d84a2bee4f82 100644
> --- a/fs/timerfd.c
> +++ b/fs/timerfd.c
> @@ -226,21 +226,20 @@ static int timerfd_release(struct inode *inode, struct file *file)
>  	kfree_rcu(ctx, rcu);
>  	return 0;
>  }
> -
> -static __poll_t timerfd_poll(struct file *file, poll_table *wait)
> +	

   Stray tab detected! :-)

> +static struct wait_queue_head *timerfd_get_poll_head(struct file *file,
> +		__poll_t eventmask)
>  {
>  	struct timerfd_ctx *ctx = file->private_data;
> -	__poll_t events = 0;
> -	unsigned long flags;
>  
> -	poll_wait(file, &ctx->wqh, wait);
> +	return &ctx->wqh;
> +}
>  
> -	spin_lock_irqsave(&ctx->wqh.lock, flags);
> -	if (ctx->ticks)
> -		events |= EPOLLIN;
> -	spin_unlock_irqrestore(&ctx->wqh.lock, flags);
> +static __poll_t timerfd_poll_mask(struct file *file, __poll_t eventmask)
> +{
> +	struct timerfd_ctx *ctx = file->private_data;
>  
> -	return events;
> +	return ctx->ticks ? EPOLLIN : 0;
>  }
>  
>  static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
[...]

MBR, Sergei
diff mbox series

Patch

diff --git a/fs/timerfd.c b/fs/timerfd.c
index cdad49da3ff7..d84a2bee4f82 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -226,21 +226,20 @@  static int timerfd_release(struct inode *inode, struct file *file)
 	kfree_rcu(ctx, rcu);
 	return 0;
 }
-
-static __poll_t timerfd_poll(struct file *file, poll_table *wait)
+	
+static struct wait_queue_head *timerfd_get_poll_head(struct file *file,
+		__poll_t eventmask)
 {
 	struct timerfd_ctx *ctx = file->private_data;
-	__poll_t events = 0;
-	unsigned long flags;
 
-	poll_wait(file, &ctx->wqh, wait);
+	return &ctx->wqh;
+}
 
-	spin_lock_irqsave(&ctx->wqh.lock, flags);
-	if (ctx->ticks)
-		events |= EPOLLIN;
-	spin_unlock_irqrestore(&ctx->wqh.lock, flags);
+static __poll_t timerfd_poll_mask(struct file *file, __poll_t eventmask)
+{
+	struct timerfd_ctx *ctx = file->private_data;
 
-	return events;
+	return ctx->ticks ? EPOLLIN : 0;
 }
 
 static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
@@ -364,7 +363,8 @@  static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg
 
 static const struct file_operations timerfd_fops = {
 	.release	= timerfd_release,
-	.poll		= timerfd_poll,
+	.get_poll_head	= timerfd_get_poll_head,
+	.poll_mask	= timerfd_poll_mask,
 	.read		= timerfd_read,
 	.llseek		= noop_llseek,
 	.show_fdinfo	= timerfd_show,