Re: ext4_da_release_space:1333: ext4_da_release_space: ino 12,to_free 1 with only 0 reserved data blocks

[Dave Jones]

On Wed, Jul 17, 2013 at 02:53:22PM +0200, Jan Kara wrote:
 > On Tue 16-07-13 16:25:33, Dave Jones wrote:
 > > I've seen this happen a few times this week..
 >   Thanks for report! Was this when fuzzing or just normal desktop load?
 > What is inode with inode number 12 on your filesystem sdb1? What IO happens
 > to it? Apparently some delalloc accounting went wrong somewhere and it's
 > searching for a needle in a haystack unless we have more details...

It was running this.. https://github.com/kernelslacker/io-tests/blob/master/setup.sh
in a loop. After about 6 hours, that fell out.  It made it all the way through
every test a few times, which is odd, as the test should be fairly deterministic.
Ah, I wasn't capturing the fsx seed. I'll do that on the next run.

Perhaps that will make it easier to reproduce.
 
	Dave

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