[PATCHSET] fstests: more random fixes for v2026.06.21

Hi all,

Here's the usual odd fixes for fstests.

If you're going to start using this code, I strongly recommend pulling
from my git trees, which are linked below.

With a bit of luck, this should all go splendidly.
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=random-fixes

xfsprogs git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=random-fixes

fstests git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfstests-dev.git/log/?h=random-fixes
---
Commits in this patchset:
 * common/xfs: fix _scratch_mkfs_xfs_supports_concurrency
 * xfs/21[67]: fix mkfs log concurrency detection
---
 common/xfs    |   11 ++++++++---
 tests/xfs/216 |    9 ++++-----
 tests/xfs/217 |    9 ++++-----
 3 files changed, 16 insertions(+), 13 deletions(-)