[0/2] ENOSPC refinements
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Message ID 20190410195610.84110-1-josef@toxicpanda.com
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Josef Bacik April 10, 2019, 7:56 p.m. UTC
I noticed our continuous testing for btrfs started timing out recently, and dug
down to discover that generic/224 was taking upwards of an hour to run.  This
test should take seconds to run, so this is a problem.

Fix this by reworking how we do delalloc metadata reservations, as described in
patch 2/2.

I also noticed we don't quite do the right thing when we are mostly O_DIRECT,
and addressed this in patch 1/2.  I've run these through xfstests and everything
is back to normal.  Thanks,

Josef

Comments

David Sterba April 25, 2019, 3:22 p.m. UTC | #1
On Wed, Apr 10, 2019 at 03:56:08PM -0400, Josef Bacik wrote:
> I noticed our continuous testing for btrfs started timing out recently, and dug
> down to discover that generic/224 was taking upwards of an hour to run.  This
> test should take seconds to run, so this is a problem.
> 
> Fix this by reworking how we do delalloc metadata reservations, as described in
> patch 2/2.
> 
> I also noticed we don't quite do the right thing when we are mostly O_DIRECT,
> and addressed this in patch 1/2.  I've run these through xfstests and everything
> is back to normal.  Thanks,

The patches have been in for-next for some time, I'd like to merge them
to 5.2 queue. Please update the changelogs, either post just the text or
whole patches. Thanks.