From: Dave Chinner <david@fromorbit.com>
To: Eric Sandeen <sandeen@sandeen.net>
Cc: Bhagi rathi <jahnu77@gmail.com>,
Lachlan McIlroy <lachlan@sgi.com>,
sgi.bugs.xfs@engr.sgi.com, xfs@oss.sgi.com
Subject: Re: TAKE 981498 - use KM_MAYFAIL in xfs_mountfs
Date: Thu, 7 Aug 2008 06:22:56 +1000 [thread overview]
Message-ID: <20080806202256.GR21635@disturbed> (raw)
In-Reply-To: <489A01B0.5050606@sandeen.net>
On Wed, Aug 06, 2008 at 02:55:28PM -0500, Eric Sandeen wrote:
> Bhagi rathi wrote:
> > Why are we going to block for ever? Mounting a file-system
> > requires in-core log space buffers, reading of other buffers
> > which needs allocation of memory greater than per ag
> > structures.
.....
> In general KM_MAYFAIL sounds like a good plan when you can handle the
> failure gracefully, I think.
Yes, and that is the long term plan - to remove all KM_SLEEP
allocations from XFS and allow them to fail gracefully. There's
lots of work needed before we get there, though. e.g.
right now we cannot survive an ENOMEM error in a transaction....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2008-08-06 20:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-06 5:41 TAKE 981498 - use KM_MAYFAIL in xfs_mountfs Lachlan McIlroy
2008-08-06 17:22 ` Bhagi rathi
2008-08-06 19:55 ` Eric Sandeen
2008-08-06 20:22 ` Dave Chinner [this message]
2008-08-07 17:23 ` Bhagi rathi
2008-08-08 0:31 ` Dave Chinner
2008-08-08 5:22 ` Bhagi rathi
2008-08-07 17:18 ` Bhagi rathi
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