From: Steven Dake <sdake@mvista.com>
To: Oliver Neukum <oliver@neukum.name>
Cc: Luben Tuikov <luben@splentec.com>,
Alan Stern <stern@rowland.harvard.edu>,
David Brownell <david-b@pacbell.net>,
Matthew Dharm <mdharm-scsi@one-eyed-alien.net>,
Mike Anderson <andmike@us.ibm.com>, Greg KH <greg@kroah.com>,
linux-usb-devel@lists.sourceforge.net,
Linux SCSI list <linux-scsi@vger.kernel.org>
Subject: Re: A different look at block device hotswap in the Linux kernel
Date: Thu, 23 Jan 2003 17:54:57 -0700 [thread overview]
Message-ID: <3E308EE1.9080208@mvista.com> (raw)
In-Reply-To: <200301240107.36977.oliver@neukum.name>
>I want:
>LLDD to SCSI: device is gone
>SCSI to LLDD: Ok. I'll handle from here on.
>LLDD: OK. I am gone. And won't have any contact until the next device is
>plugged in.
>
>
The downside of this approach is that the LLDD must now be able to
detect insertions and removals when it may not be able to do so. If it
is able to do so, then fine, it can tell upper layers about it, but the
actual control of removal of a device should occur higher up to fix
several problems with the approach of having the LLDD manage the hotswap
state of the device.
>The process can be somewhat more complicated, under some conditions:
>- it never fails
>- it is done within a finite, bounded, reasonable time
>
> Regards
> Oliver
>
>
>
>
>
next prev parent reply other threads:[~2003-01-24 0:54 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <10426732153816@kroah.com>
[not found] ` <10426732212871@kroah.com>
[not found] ` <20030116093112.B29001@one-eyed-alien.net>
[not found] ` <20030116173539.GA31235@kroah.com>
2003-01-16 19:43 ` [linux-usb-devel] Re: [PATCH] USB changes for 2.5.58 Matthew Dharm
2003-01-16 19:53 ` Greg KH
[not found] ` <20030116195306.GA32697@kroah.com>
2003-01-16 20:10 ` Linus Torvalds
2003-01-16 20:43 ` greg kh
2003-01-16 21:41 ` Linus Torvalds
2003-01-16 22:51 ` Matthew Dharm
2003-01-16 20:40 ` David Brownell
2003-01-16 20:48 ` Mike Anderson
2003-01-16 23:43 ` Oliver Neukum
2003-01-17 8:50 ` Mike Anderson
2003-01-17 10:55 ` Oliver Neukum
2003-01-17 15:06 ` Alan Stern
2003-01-17 18:54 ` Matthew Dharm
2003-01-17 20:25 ` Mike Anderson
2003-01-17 22:07 ` Oliver Neukum
2003-01-17 20:26 ` [linux-usb-devel] " Oliver Neukum
2003-01-17 20:49 ` Mike Anderson
2003-01-20 17:36 ` Luben Tuikov
2003-01-20 18:23 ` Oliver Neukum
2003-01-20 18:56 ` Luben Tuikov
2003-01-20 19:10 ` [linux-usb-devel] " Oliver Neukum
2003-01-20 19:50 ` David Brownell
2003-01-21 3:31 ` Alan
2003-01-21 7:17 ` Oliver Neukum
2003-01-21 11:57 ` [linux-usb-devel] " Douglas Gilbert
2003-01-21 13:48 ` Oliver Neukum
2003-01-21 18:22 ` Luben Tuikov
2003-01-21 13:30 ` James Bottomley
2003-01-20 20:08 ` David Brownell
2003-01-20 20:48 ` [linux-usb-devel] " Oliver Neukum
2003-01-20 21:24 ` David Brownell
2003-01-20 21:51 ` [linux-usb-devel] " Oliver Neukum
2003-01-20 22:26 ` David Brownell
2003-01-20 23:00 ` Oliver Neukum
2003-01-21 0:44 ` David Brownell
2003-01-21 0:50 ` Oliver Neukum
2003-01-21 18:16 ` Luben Tuikov
2003-01-21 19:00 ` Oliver Neukum
2003-01-21 20:02 ` [linux-usb-devel] " Luben Tuikov
2003-01-21 21:02 ` Alan Stern
2003-01-22 21:50 ` Luben Tuikov
2003-01-22 22:46 ` Oliver Neukum
2003-01-23 17:46 ` Luben Tuikov
2003-01-23 18:19 ` Oliver Neukum
2003-01-23 19:07 ` Luben Tuikov
2003-01-23 19:40 ` Oliver Neukum
2003-01-23 20:28 ` Doug Ledford
2003-01-23 20:59 ` Oliver Neukum
2003-01-23 21:34 ` Doug Ledford
2003-01-23 22:39 ` Oliver Neukum
2003-01-23 23:23 ` Doug Ledford
2003-01-23 23:25 ` Matthew Dharm
2003-01-24 15:34 ` Alan Stern
2003-01-24 16:06 ` Oliver Neukum
2003-01-24 17:58 ` [linux-usb-devel] " Doug Ledford
2003-01-24 19:00 ` Luben Tuikov
2003-01-24 22:23 ` Oliver.Neukum
2003-01-24 19:10 ` Luben Tuikov
2003-01-24 19:56 ` [linux-usb-devel] " Alan Stern
2003-01-24 20:11 ` Luben Tuikov
2003-01-24 21:09 ` Luben Tuikov
2003-01-24 21:55 ` Alan Stern
2003-01-24 22:03 ` Luben Tuikov
2003-01-24 23:21 ` Mike Anderson
2003-01-24 21:48 ` Doug Ledford
2003-01-24 22:59 ` Mike Anderson
2003-01-24 23:17 ` [linux-usb-devel] " Doug Ledford
2003-01-25 0:24 ` Luben Tuikov
2003-01-25 1:35 ` Mike Anderson
2003-01-24 23:25 ` Matthew Dharm
2003-01-25 0:05 ` Doug Ledford
2003-01-25 0:45 ` Matthew Dharm
2003-01-25 1:07 ` Doug Ledford
2003-02-02 18:13 ` Matthew Dharm
2003-02-02 20:06 ` Matthew Dharm
2003-02-03 17:17 ` Mike Anderson
2003-02-16 21:18 ` Matthew Dharm
2003-02-17 19:37 ` Mike Anderson
2003-02-17 19:51 ` Patrick Mansfield
2003-02-23 7:48 ` Matthew Dharm
2003-02-26 23:37 ` Mike Anderson
2003-02-27 1:10 ` Matthew Dharm
2003-02-27 6:37 ` Mike Anderson
2003-02-27 19:32 ` Matthew Dharm
2003-03-01 1:41 ` Matthew Dharm
2003-02-02 3:49 ` Matthew Dharm
2003-01-25 1:24 ` Luben Tuikov
2003-01-24 0:15 ` Patrick Mansfield
2003-01-24 8:33 ` David Brownell
2003-01-23 20:41 ` A different look at block device hotswap in the Linux kernel Steven Dake
2003-01-23 21:07 ` Matthew Jacob
2003-01-23 21:06 ` Steven Dake
2003-01-23 21:16 ` Matthew Jacob
2003-01-24 0:07 ` Oliver Neukum
2003-01-24 0:21 ` Matthew Jacob
2003-01-24 7:53 ` David Brownell
2003-01-24 15:26 ` Matthew Jacob
2003-01-24 0:54 ` Steven Dake [this message]
2003-01-24 2:35 ` [linux-usb-devel] " Matthew Dharm
2003-01-22 21:30 ` [linux-usb-devel] Re: [PATCH] USB changes for 2.5.58 David Brownell
2003-01-20 22:16 ` Luben Tuikov
2003-01-20 22:51 ` David Brownell
2003-01-20 23:27 ` Oliver Neukum
2003-01-24 16:36 A different look at block device hotswap in the Linux kernel Cress, Andrew R
2003-01-24 18:01 ` Bryan Henderson
2003-01-24 18:09 ` Matthew Jacob
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