Re: Bigalloc ENOSPC woes

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On Mon, Jan 30, 2012 at 03:19:05PM -0600, Eric Sandeen wrote:
> I got nervous when I tried this on an -O bigalloc -C 65536 fs:
> 
> # echo foo > blah; du -hc blah; sync; du -hc blah
> 4.0K blah
> 4.0K total
> 64K blah
> 64K total
> 
> Seems that du should never report less than the cluster size, should it?

Yes, that seems like a bug.

> And that made me wonder about ENOSPC handling - are we tracing
> delalloc allocations correctly?
> 
> From running xfstest 204 on a similarly-created fs, it really seems
> that we are not....
> 
> Ted, are you aware of those issues in bigalloc?

No, this is news to me.  I'll have to take a closer look at this;
thanks for bring this up.

						- Ted
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