From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [patch 0/7] Asynchronous Notification for ATAPI devices (v2) - resend Date: Sun, 06 May 2007 12:15:34 +0200 Message-ID: <463DAAC6.3060300@gmail.com> References: <20070504111222.c2e373cf.kristen.c.accardi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20070504111222.c2e373cf.kristen.c.accardi@intel.com> Sender: linux-ide-owner@vger.kernel.org To: Kristen Carlson Accardi Cc: jeff@garzik.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, akpm@linux-foundation.org List-Id: linux-scsi@vger.kernel.org Kristen Carlson Accardi wrote: > 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. No objection from me. BTW, you're not setting ATA_FLAG_AN anywhere in the patch series, will that be a separate patch? -- tejun