Re: TAKE 981498 - use KM_MAYFAIL in xfs_mountfs

[Dave Chinner <david@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx