From: "Artem B. Bityutskiy" <dedekind@yandex.ru>
To: Josh Boyer <jwboyer@gmail.com>
Cc: linux-mtd@lists.infradead.org, Adam Ward <adamward2005@yahoo.co.uk>
Subject: Re: Read only forced on jffs2 by mtd layer?
Date: Fri, 10 Mar 2006 19:05:45 +0300 [thread overview]
Message-ID: <4411A3D9.6050505@yandex.ru> (raw)
In-Reply-To: <625fc13d0603100753r33fde8b8n3b9ff39f24b37b72@mail.gmail.com>
Josh Boyer wrote:
> Sorta. If there isn't enough physical space to write nodes out, then
> you can't really have a writeable filesystem. It'll actually just
> return -ENOSPC for everything instead of -EROFS, but the effect is the
> same.
I mean, if I ask to mount read-write, but end-up with RO, this is bad.
Shouldn't I explicitely request RO mount?
> Take a look at jffs2_calc_trigger_levels in build.c.
> c->resv_blocks_deletion is the number of blocks needed to delete
> something. c->resv_blocks_write is the number of blocks needed to
> write something.
Ok, but where is the code that switches it to RO mode in case of lack of
eraseblocks?
--
Best Regards,
Artem B. Bityutskiy,
St.-Petersburg, Russia.
next prev parent reply other threads:[~2006-03-10 16:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-10 13:54 Read only forced on jffs2 by mtd layer? Adam Ward
2006-03-10 15:29 ` Nicolas Pitre
2006-03-10 15:35 ` Josh Boyer
2006-03-10 15:43 ` Artem B. Bityutskiy
2006-03-10 15:53 ` Josh Boyer
2006-03-10 16:05 ` Artem B. Bityutskiy [this message]
2006-03-10 16:21 ` Josh Boyer
2006-03-10 16:28 ` Artem B. Bityutskiy
2006-03-10 16:40 ` Nicolas Pitre
2006-03-11 1:39 ` Adam Ward
2006-03-11 6:37 ` Todd Poynor
2006-03-15 17:47 ` Adam Ward
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