Re: [LTP] Btrfs TODO

[Subrata Modak <subrata@linux.vnet.ibm.com>]

Hi Josef,

On Fri, 2009-04-10 at 12:12 +0530, Subrata Modak wrote:
> Hi Josef,
> 
> On Thu, 2009-04-09 at 12:24 -0400, Josef Bacik wrote:
> > Hello,
> > 
> > Trying to put together a list of TODO items for btrfs so we can update the wiki
> > page fully.  So far these things are on the list
> > 
> > * Proper ENOSPC handling 
> > * O_DIRECT support (without checksumming) 
> > * AIO support 
> > * Subvolume quotas and inherited space usage information 
> > * Snapshot removal
> > * QA Suite for automated regression testing 
> 
> We at LTP would be interested in the above. Please let us know your
> plans in doing Btrfs testing in any ways you do.
> 

Any thoughts for us ?

Regards--
Subrata

> Regards--
> Subrata
> 
> > * Reserved space for online fsck and the ability to add storage so that a
> > * background extent allocation check can proceed 
> > * Additional ioctls to set per-inode attributes (nodatacow, nodatasum, etc)
> > 
> > So I think all of those are still true.  Things that I know are being worked on
> > are
> > 
> > * async block group cacheing - me
> > * locking changes - Chris
> > * backref stuff - Yan
> > 
> > Som other things off the top of my head are
> > 
> > * a better way to cache block groups in general, for this I was thinking of a
> > 	bitmap or something like that per block group of free space
> > * space balancing.  this will likely need to wait on proper ENOSPC handling
> > * grub support :)
> > 
> > Thats all that I can think of atm.  Add things to the list if you think of them,
> > and hopefully we can update the wiki early next week.  Thanks,
> > 
> > Josef
> > --
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> 
> 
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