From: David Woodhouse <dwmw2@infradead.org>
To: Robert Kaiser <rob@sysgo.de>
Cc: linux-mtd@lists.infradead.org, J?rn Engel <joern@wohnheim.fh-wedel.de>
Subject: Re: MTD concat layer
Date: Sat, 16 Feb 2002 11:08:26 +0000 [thread overview]
Message-ID: <24624.1013857706@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0202161157380.17237-100000@dagobert.svc.sysgo.de>
rob@sysgo.de said:
> OK, but is the function allowed to erase blocks up to the point where
> it hits the partial block request ? That would make it simpler,
> especially in the presence of variable block sizes.
It doesn't matter. The caller _knows_ the blocksize setup, and must not
_ever_ ask for an erase that doesn't both start and end on block boundaries.
I hereby declare that the behaviour of the driver if this happens is
undefined. You can do what ever you like, including erasing the whole of
the flash, all hard drives, and blowing up the machine.
I probably won't actually accept a patch which implements that. I'd take one
which has a BUG() though ;)
--
dwmw2
next prev parent reply other threads:[~2002-02-16 10:57 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-12 18:40 MTD concat layer Robert Kaiser
2002-02-13 7:56 ` Suspend Erase bug in cfi_cmdset0001.c Joakim Tjernlund
2002-02-14 8:17 ` Joakim Tjernlund
2002-02-13 11:00 ` MTD concat layer Joakim Tjernlund
2002-02-13 11:04 ` David Woodhouse
2002-02-13 11:34 ` Robert Kaiser
2002-02-13 11:37 ` Robert Schwebel
2002-02-13 13:33 ` Daniel Engström
2002-02-13 14:01 ` Eric W. Biederman
2002-02-15 15:58 ` David Woodhouse
2002-02-15 17:43 ` Robert Kaiser
2002-02-15 18:02 ` David Woodhouse
2002-02-15 18:40 ` Jörn Engel
2002-02-16 10:33 ` Robert Kaiser
2002-02-16 10:43 ` Robert Kaiser
2002-02-16 10:43 ` David Woodhouse
2002-02-16 11:03 ` Robert Kaiser
2002-02-16 11:08 ` David Woodhouse [this message]
2002-02-16 14:56 ` Brian J. Fox
2002-02-17 10:36 ` Robert Kaiser
2002-02-17 19:05 ` Brian J. Fox
2002-02-18 8:48 ` Robert Kaiser
2002-02-18 9:05 ` David Woodhouse
2002-02-18 15:53 ` Brian J. Fox
2002-02-18 17:01 ` Robert Kaiser
2002-02-18 17:02 ` David Woodhouse
2002-02-18 15:46 ` Brian J. Fox
2002-02-20 14:28 ` Jonas Holmberg
2002-02-20 15:35 ` Robert Kaiser
2002-02-21 14:51 ` Jonas Holmberg
2002-02-26 11:32 ` Robert Kaiser
2002-03-06 13:37 ` Jonas Holmberg
2002-03-06 16:02 ` Robert Kaiser
-- strict thread matches above, loose matches on Subject: below --
2002-02-14 11:14 Jonas Holmberg
2002-03-08 16:08 Robert Kaiser
2002-03-08 16:22 ` David Woodhouse
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