Re: [lvm-devel] [PATCH] add kobject to struct mapped_device

Joe Thornber
2002-12-30T10:48:19Z

On Fri, Dec 20, 2002 at 09:49:52AM -0800, Greg KH wrote:
> I saw that logic. I don't think sysfs can handle poll right now, but we
> could modify the last access/modify/change time when the status changes
> so stat(2) can be used on the file. This is how usbfs currently
> notifies userspace of changes to their files. Would this be acceptable?

Blech. The nice thing about a blocking operation like poll is that
the process doesn't keep getting rescheduled to check if there is
anything to do.

- Joe