Messages in this thread | | | Date | Thu, 24 May 2007 23:14:13 -0400 | From | Jeff Garzik <> | Subject | Re: [patch 0/7] Asynchronous Notification for ATAPI devices (resend) |
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Kristen Carlson Accardi wrote: > Hi Jeff, > Here are the AN patches again, they have not changed with the exception > of patch #1, which does set the host flag in board_ahci and board_ahci_pi > now (thanks Tejun). > > This patch series implements Asynchronous Notification (AN) for SATA > ATAPI devices as defined in SATA 2.5 and AHCI 1.1 and higher. Drives > which support this feature will send a notification when new media is > inserted and removed, preventing the need for user space to poll for > new media. This support is exposed to user space via a flag that will > be set in /sys/block/sr*/capability_flags. If the flag is set, user > space can disable polling for the new media, and the genhd driver will > send a KOBJ_CHANGE event with the envp set to MEDIA_CHANGE_EVENT=1. > > Note that this patch only implements support for directly attached > drives - AN with drives attached to a port multiplier requires > additional changes.
Patches look OK to me... it will take some coordination for the non-libata bits. I think Andrew mentioned some of this. And if the SCSI bits get stuck in the SCSI maintainer's bit bucket, let me know.
Jeff
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