Re: XFS internal error xfs_da_do_buf(1) at line 2015 of file fs/xfs/xfs_da_btree.c

[Andi Kleen]

Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:
>
>> Of course certain distributions default to using LVM for all their file
>> systems which is completely and mindbogglingly bogus. That both messes up
>> barriers in some cases and takes a good 10-20% off performance when I've
>> benched it.
>
> The thing is that there's no reason for that at all with just a single
> underlying disk. 

I've submitted patches to do exactly that in DM some time ago. 
Unfortunately they still didn't make it in (as of 2.6.29 git) for unknown reasons.

-Andi
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