linux-kernel - Re: [patch 0/7] Asynchronous Notification for ATAPI devices (resend)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <46565485.3000602@garzik.org>
Date:	Thu, 24 May 2007 23:14:13 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Kristen Carlson Accardi <kristen.c.accardi@...el.com>
CC:	linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, htejun@...il.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch 0/7] Asynchronous Notification for ATAPI devices (resend)

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



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/