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SubjectRe: [PATCH] xfs: always free inline data before resetting inode fork during ifree
On Wed, Mar 28, 2018 at 07:30:06PM +0000, Sasha Levin wrote:
> On Wed, Mar 28, 2018 at 02:32:28PM +1100, Dave Chinner wrote:
> >How much time are your test rigs going to be able to spend running
> >xfstests? A single pass on a single filesysetm config on spinning
> >disks will take 3-4 hours of run time. And we have at least 4 common
> >configs that need validation (v4, v4 w/ 512b block size, v5
> >(defaults), and v5 w/ reflink+rmap) and so you're looking at a
> >minimum 12-24 hours of machine test time per kernel you'd need to
> >test.
>
> No reason they can't run in parallel, right?

Correct, parallelizing them turns horrifying long test runs into
manageable quantities.

> >> > From: Sasha Levin <alexander.levin@microsoft.com>
> >> > To: Sasha Levin <alexander.levin@microsoft.com>
> >> > To: linux-xfs@vger.kernel.org, "Darrick J . Wong" <darrick.wong@oracle.com>
> >> > Cc: Brian Foster <bfoster@redhat.com>, linux-kernel@vger.kernel.org
> >> > Subject: Re: [PATCH] xfs: Correctly invert xfs_buftarg LRU isolation logic
> >> > In-Reply-To: <20180306102638.25322-1-vbendel@redhat.com>
> >> > References: <20180306102638.25322-1-vbendel@redhat.com>
> >> >
> >> > Hi Vratislav Bendel,
> >> >
> >> > [This is an automated email]
> >> >
> >> > This commit has been processed by the -stable helper bot and determined
> >> > to be a high probability candidate for -stable trees. (score: 6.4845)
> >> >
> >> > The bot has tested the following trees: v4.15.12, v4.14.29, v4.9.89, v4.4.123, v4.1.50, v3.18.101.
> >> >
> >> > v4.15.12: OK!
> >> > v4.14.29: OK!
> >> > v4.9.89: OK!
> >> > v4.4.123: OK!
> >> > v4.1.50: OK!
> >> > v3.18.101: OK!
> >> >
> >> > Please reply with "ack" to have this patch included in the appropriate stable trees.
> >
> >That might help, but the testing and validation is completely
> >opaque. If I wanted to know what that "OK!" actually meant, where
> >do I go to find that out?
>
> This is actually something I want maintainers to dictate. What sort of
> testing would make the XFS folks happy here? Right now I'm doing
> "./check 'xfs/*'" with xfstests. Is it sufficient? Anything else you'd like to see?

FWIW /me usually runs ./check '-g auto,quick,clone,dedupe,fsmap,rmap'
with the following four mkfs configs:

MKFS_OPTIONS='-m reflink=1,rmapbt=1, -i sparse=1, -b size=1024,'
MKFS_OPTIONS='-m reflink=1,rmapbt=1, -i sparse=1,'
MKFS_OPTIONS='-m crc=0,reflink=0,rmapbt=0, -i sparse=0,'
MKFS_OPTIONS='-m crc=0,reflink=0,rmapbt=0, -i sparse=0, -b size=512,'

Eventually I'll turn quotas on all the time too, time permitting.

--D

>
> --
> Thanks,
> Sasha--
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