From: David Woodhouse <dwmw2@infradead.org>
To: joakim.tjernlund@lumentis.se
Cc: "Dave Ellis" <DGE@sixnetio.com>, linux-mtd@lists.infradead.org
Subject: Re: Disk blocks for long periods
Date: Thu, 08 Aug 2002 09:40:29 +0100 [thread overview]
Message-ID: <31741.1028796029@redhat.com> (raw)
In-Reply-To: <IGEFJKJNHJDCBKALBJLLMEJGFFAA.joakim.tjernlund@lumentis.se>
joakim.tjernlund@lumentis.se said:
> Maybe erasing should be moved away from kupdate then, to the gc thread
> or a new erase thread that does not mind beeing blocked?
Maybe. I want to keep the GC thread optional though. I think it's
sufficient just to fix the chip drivers to really do asynchronous erases,
so the thread calling ->erase() doesn't actually have to block. Then we can
leave it in kupdate.
> OK, so if schedule_task() is used instead its possible to replace
> spin_lock_bh with spin_lock everywhere?
Yes.
> I think we should change erase.c to do atmost 3 erase & mark in one
> go. That will free up space more quickly when there is a lot of
> pending erases.
Seems reasonable.
--
dwmw2
next prev parent reply other threads:[~2002-08-08 8:40 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-05 18:50 Disk blocks for long periods Dave Ellis
2002-08-06 10:06 ` Joakim Tjernlund
2002-08-06 12:14 ` David Woodhouse
2002-08-06 13:52 ` Jörn Engel
2002-08-06 13:53 ` David Woodhouse
2002-08-06 16:45 ` Joakim Tjernlund
2002-08-07 9:51 ` David Woodhouse
2002-08-08 7:23 ` Joakim Tjernlund
2002-08-08 8:02 ` David Woodhouse
2002-08-08 8:32 ` Joakim Tjernlund
2002-08-08 8:40 ` David Woodhouse [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-08-07 16:42 Dave Ellis
2002-08-08 7:08 ` Joakim Tjernlund
2002-08-08 8:08 ` David Woodhouse
2002-08-08 9:15 ` Joakim Tjernlund
2002-08-08 9:18 ` David Woodhouse
2002-08-06 20:16 Dave Ellis
2002-08-06 21:06 ` Joakim Tjernlund
2002-08-06 14:53 Dave Ellis
2002-08-06 15:09 ` Joakim Tjernlund
2002-08-07 11:11 ` David Woodhouse
2002-08-05 10:35 MTD Partition problems David Woodhouse
2002-08-05 13:35 ` Disk blocks for long periods Joakim Tjernlund
2002-08-05 13:44 ` David Woodhouse
2002-08-05 13:59 ` Joakim Tjernlund
2002-08-05 14:12 ` David Woodhouse
2002-08-05 14:32 ` Joakim Tjernlund
2002-08-05 14:42 ` David Woodhouse
2002-08-05 21:45 ` Jasmine Strong
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