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
