linux-kernel - Re: [PATCH] make fanotify_read() restartable across signals

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Date:	Fri, 29 Oct 2010 09:53:48 -0400
From:	Eric Paris <eparis@...hat.com>
To:	Lino Sanfilippo <LinoSanfilippo@....de>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] make fanotify_read() restartable across signals

On Fri, 2010-10-29 at 12:06 +0200, Lino Sanfilippo wrote:
> In fanotify_read() return -ERESTARTSYS instead of -EINTR to
>     make read() restartable across signals (BSD semantic).

Looks good, I'll add it today.

Thanks!

-Eric
> ---
> This patch applies against commit 3970d817558a426cc2f53eaa01182eb9452e0cb1
> of branch 'origin/for-next' from git.infradead.org/users/eparis/notify.git
> 
> diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
> index 8c9fd35..99a8e60 100644
> --- a/fs/notify/fanotify/fanotify_user.c
> +++ b/fs/notify/fanotify/fanotify_user.c
> @@ -330,7 +330,7 @@ static ssize_t fanotify_read(struct file *file, char __user *buf,
>  		ret = -EAGAIN;
>  		if (file->f_flags & O_NONBLOCK)
>  			break;
> -		ret = -EINTR;
> +		ret = -ERESTARTSYS;
>  		if (signal_pending(current))
>  			break;
>  


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