Free Software Linux

Jeff Garzik posted a two patch series introducing an asynchronous event notification infrastructure, "enabling SATA Asynchronous Notification ('AN') for CD/DVD devices that support it." He summarized:

"For devices that support SATA AN (only very recent ones do), this means that HAL and other userspace utilities no longer need to repeatedly poll the CD/DVD device to determine if the user has changed the media."

The first patch is for the SCSI driver and is based on work originally done by Kristen Carlson Accardi, along with "copious input from James Bottomley". The second patch updates libata to utilize the new SCSI event infrastructure.

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