Re: [PATCH 1/3] sysfs: introduce a sysfs_create_file_uevent new API

From: Greg KH
Date: Fri Jul 27 2012 - 11:52:05 EST


On Fri, Jul 27, 2012 at 12:02:41PM +0800, Bryan Wu wrote:
> Send a uevent notification whenever a new sysfs file is created to allow
> userspace processes such as udev to modify permissions on the new files.

This makes no sense, why not just call kobject_uevent after creating the
file when needed? Wrapping it up in a single function call doesn't add
any benefit that I can see, can you?

>
> This new API function helps to do this.
>
> Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
> ---
> fs/sysfs/file.c | 28 ++++++++++++++++++++++++++++
> include/linux/sysfs.h | 13 +++++++++++++
> 2 files changed, 41 insertions(+)
>
> diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
> index 00012e3..5a22d13 100644
> --- a/fs/sysfs/file.c
> +++ b/fs/sysfs/file.c
> @@ -576,6 +576,34 @@ int sysfs_create_file(struct kobject * kobj, const struct attribute * attr)
>
> }
>
> +/**
> + * sysfs_create_file_uevent - create an attribute file for an object
> + and send a uevent to userspace.

kerneldoc needs to be on one line for function names, right?

greg k-h
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