Re: [PATCHSET] block,scsi,libata: implement alt_size

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From: Tejun Heo <tj@kernel.org>
To: jeff@garzik.org, linux-ide@vger.kernel.org,
	jens.axboe@oracle.com, linux-kernel@vger.kernel.org,
	linux-scsi@vger.kernel.org,
	James.Bottomley@HansenPartnership.com, Mauelshagen@RedHat.c
Subject: Re: [PATCHSET] block,scsi,libata: implement alt_size
Date: Thu, 30 Apr 2009 10:13:23 +0900	[thread overview]
Message-ID: <49F8FB33.8020803@kernel.org> (raw)
In-Reply-To: <1233456951-992-1-git-send-email-tj@kernel.org>

Tejun Heo wrote:
> Hello,
> 
> This patchset implements alt_size, which is a size hint to the users
> of a block device.  It's primarily to communicate the BIOS (HPA) size
> on ATA devices to userland, so that dmraid can consider it when trying
> to figure out BIOS raid layout.  This is critical as dmraid can be
> tricked into assemblying the wrong raid when fed with the unlocked
> size and if the disk content is right (or, rather, wrong) and good
> number of distros are shipping with ignore_hpa=1 as default.

PING.

-- 
tejun

WARNING: multiple messages have this Message-ID (diff)

From: Tejun Heo <tj@kernel.org>
To: jeff@garzik.org, linux-ide@vger.kernel.org,
	jens.axboe@oracle.com, linux-kernel@vger.kernel.org,
	linux-scsi@vger.kernel.org,
	James.Bottomley@HansenPartnership.com, Mauelshagen@RedHat.com,
	dm-devel@RedHat.com
Subject: Re: [PATCHSET] block,scsi,libata: implement alt_size
Date: Thu, 30 Apr 2009 10:13:23 +0900	[thread overview]
Message-ID: <49F8FB33.8020803@kernel.org> (raw)
In-Reply-To: <1233456951-992-1-git-send-email-tj@kernel.org>

Tejun Heo wrote:
> Hello,
> 
> This patchset implements alt_size, which is a size hint to the users
> of a block device.  It's primarily to communicate the BIOS (HPA) size
> on ATA devices to userland, so that dmraid can consider it when trying
> to figure out BIOS raid layout.  This is critical as dmraid can be
> tricked into assemblying the wrong raid when fed with the unlocked
> size and if the disk content is right (or, rather, wrong) and good
> number of distros are shipping with ignore_hpa=1 as default.

PING.

-- 
tejun

next prev parent reply	other threads:[~2009-04-30  1:14 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-01  2:55 [PATCHSET] block,scsi,libata: implement alt_size Tejun Heo
2009-02-01  2:55 ` Tejun Heo
2009-02-01  2:55 ` [PATCH 1/3] block: add alt_size Tejun Heo
2009-02-01  2:55   ` Tejun Heo
2009-02-01  2:55 ` [PATCH 2/3] scsi: add scsi_device->alt_capacity Tejun Heo
2009-02-01  2:55   ` Tejun Heo
2009-02-01  2:55 ` [PATCH 3/3] libata: export HPA size as alt_size Tejun Heo
2009-02-01  2:55   ` Tejun Heo
2009-02-02 17:12   ` [PATCH] libata: change drive ready wait after hard reset to 5s Stuart_Hayes
2009-02-02 17:12     ` Stuart_Hayes
2009-02-02 17:17     ` Mario Limonciello
2009-02-09 21:48     ` Stuart_Hayes
2009-02-09 21:48       ` Stuart_Hayes
2009-02-01  2:59 ` [PATCHSET] dmraid: use alt_size Tejun Heo
2009-02-01  2:59 ` Tejun Heo
2009-02-01  2:59   ` Tejun Heo
2009-02-01  3:00   ` [PATCH 1/3] dmraid: set read_info to @offset by default in read_raid_dev() Tejun Heo
2009-02-01  3:00     ` Tejun Heo
2009-02-01  3:00   ` [PATCH 2/3] dmraid: add alt_size to dev_info Tejun Heo
2009-02-01  3:00     ` Tejun Heo
2009-02-01  3:01   ` [PATCH 3/3] dmraid: make nv use alt_size if available Tejun Heo
2009-02-01  3:01     ` Tejun Heo
2009-02-01  3:20 ` [PATCHSET] block,scsi,libata: implement alt_size Jeff Garzik
2009-02-01  4:14   ` Tejun Heo
2009-02-01  4:14     ` Tejun Heo
2009-04-30  1:13 ` Tejun Heo [this message]
2009-04-30  1:13   ` Tejun Heo
2009-04-30  1:13 ` Tejun Heo
2009-04-30  1:45 ` Jeff Garzik
2009-04-30  1:50   ` Tejun Heo
2009-04-30 20:00     ` Jeff Garzik
2009-04-30 21:15       ` Dan Williams
2009-04-30 21:15         ` Dan Williams
2009-05-04  8:02         ` Tejun Heo
2009-05-04  8:02           ` Tejun Heo
2009-05-04 16:48           ` Dan Williams
2009-05-05  3:28             ` Tejun Heo
2009-05-05 15:34               ` Dan Williams
2009-05-08  9:13                 ` Tejun Heo
2009-05-08 16:21                   ` Jeff Garzik
2009-05-08 16:21                     ` Jeff Garzik
2009-05-08 16:23                   ` Dan Williams

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