[PATCH v5 0/3] xfs: set aside allocation btree blocks from block reservation

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v5:
- Tweak allocbt counter init logic to filter out rmapbt root block.
v4: https://lore.kernel.org/linux-xfs/20210423131050.141140-1-bfoster@xxxxxxxxxx/
- Fix up perag res logic to not skip pagf init on partial res failure.
- Split up set aside patch into separate counter mechanism and set aside
  policy patches.
- Drop unnecessary ->m_has_agresv flag as pagf's are always initialized
  on filesystems with active reservations.
v3: https://lore.kernel.org/linux-xfs/20210318161707.723742-1-bfoster@xxxxxxxxxx/
- Use a mount flag for easy detection of active perag reservation.
- Filter rmapbt blocks from allocbt block accounting.
v2: https://lore.kernel.org/linux-xfs/20210222152108.896178-1-bfoster@xxxxxxxxxx/
- Use an atomic counter instead of a percpu counter.
v1: https://lore.kernel.org/linux-xfs/20210217132339.651020-1-bfoster@xxxxxxxxxx/

Brian Foster (3):
  xfs: unconditionally read all AGFs on mounts with perag reservation
  xfs: introduce in-core global counter of allocbt blocks
  xfs: set aside allocation btree blocks from block reservation

 fs/xfs/libxfs/xfs_ag_resv.c     | 34 ++++++++++++++++++++++-----------
 fs/xfs/libxfs/xfs_alloc.c       | 14 ++++++++++++++
 fs/xfs/libxfs/xfs_alloc_btree.c |  2 ++
 fs/xfs/xfs_mount.c              | 15 ++++++++++++++-
 fs/xfs/xfs_mount.h              |  6 ++++++
 5 files changed, 59 insertions(+), 12 deletions(-)

-- 
2.26.3




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