From: Eryu Guan <guan@eryu.me>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: guaneryu@gmail.com, Brian Foster <bfoster@redhat.com>,
linux-xfs@vger.kernel.org, fstests@vger.kernel.org
Subject: Re: [PATCHSET 0/3] fstests: add inode btree blocks counters to the AGI header
Date: Sun, 28 Mar 2021 23:14:32 +0800 [thread overview]
Message-ID: <YGCdWPCGplgCkQPo@desktop> (raw)
In-Reply-To: <161647324459.3431131.16341235245632737552.stgit@magnolia>
On Mon, Mar 22, 2021 at 09:20:44PM -0700, Darrick J. Wong wrote:
> Hi all,
>
> Years ago, Christoph diagnosed a problem where freeing an inode on a
> totally full filesystem could fail due to finobt expansion not being
> able to allocate enough blocks. He solved the problem by using the
> per-AG block reservation system to ensure that there are always enough
> blocks for finobt expansion, but that came at the cost of having to walk
> the entire finobt at mount time. This new feature solves that
> performance regression by adding inode btree block counts to the AGI
> header. The patches in this series amend fstests to handle the new
> metadata fields and to test that upgrades work properly.
I've applied the first two patches, the third one seems need to be
revised.
Thanks,
Eryu
>
> If you're going to start using this mess, you probably ought to just
> pull from my git trees, which are linked below.
>
> This is an extraordinary way to destroy everything. Enjoy!
> Comments and questions are, as always, welcome.
>
> --D
>
> kernel git tree:
> https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git/log/?h=inobt-counters
>
> xfsprogs git tree:
> https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=inobt-counters
>
> fstests git tree:
> https://git.kernel.org/cgit/linux/kernel/git/djwong/xfstests-dev.git/log/?h=inobt-counters
> ---
> common/xfs | 20 ++++++
> tests/xfs/010 | 3 +
> tests/xfs/030 | 2 +
> tests/xfs/122.out | 2 -
> tests/xfs/764 | 190 +++++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/xfs/764.out | 27 ++++++++
> tests/xfs/910 | 84 +++++++++++++++++++++++
> tests/xfs/910.out | 12 +++
> tests/xfs/group | 2 +
> 9 files changed, 340 insertions(+), 2 deletions(-)
> create mode 100755 tests/xfs/764
> create mode 100644 tests/xfs/764.out
> create mode 100755 tests/xfs/910
> create mode 100644 tests/xfs/910.out
prev parent reply other threads:[~2021-03-28 15:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-23 4:20 [PATCHSET 0/3] fstests: add inode btree blocks counters to the AGI header Darrick J. Wong
2021-03-23 4:20 ` [PATCH 1/3] xfs/{010,030}: update repair output to deal with inobtcount feature Darrick J. Wong
2021-03-23 4:20 ` [PATCH 2/3] xfs/122: embiggen struct xfs_agi size for " Darrick J. Wong
2021-03-23 4:21 ` [PATCH 3/3] xfs: test inobtcount upgrade Darrick J. Wong
2021-03-23 14:13 ` Brian Foster
2021-03-23 18:54 ` Darrick J. Wong
2021-03-24 12:57 ` Brian Foster
2021-03-26 2:36 ` Darrick J. Wong
2021-03-27 14:35 ` Brian Foster
2021-03-28 15:12 ` Eryu Guan
2021-03-28 15:14 ` Eryu Guan [this message]
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