Subject: Re: FFS update doesn't sync metadata?
To: Jaromir Dolecek <jdolecek@NetBSD.org>
From: Frederick Bruckman <firstname.lastname@example.org>
Date: 12/06/2004 14:22:51
On Mon, 6 Dec 2004, Jaromir Dolecek wrote:
> Frederick Bruckman wrote:
>> the intuitive thing would be to flush the buffer cache *after* the
>> filesystem is marked "rw", if that's possible.
Actually, I meant to say "ro" there. I guess you got that.
> Yeah, the intuitive thing would be to flush the buffer cache
> after filesystem is marked ro. Is there any reason we don't
> do that? AFAICS ffs only flushes file system data on update to 'ro',
> but not metadata.
Perhaps that code path simply hasn't been adapted to soft updates.
There didn't used to be any metadata in the buffer cache, ever.