[RFC v4 0/2] xfs: automatic relogging experiment

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Hi all,

Here's a v4 RFC for automatic relogging and probably the closest one IMO
to a non-RFC worthy implementation. There's still a few kinks, but this
might be the right combination of simplicity, effectiveness and
flexibility for future enhancement. Patch 1 adds the mechanism and patch
2 uses it for the quotaoff start intent. See the commit logs for further
details. 

Thoughts, reviews, flames appreciated.

Brian

rfcv4:
- AIL based approach.
rfcv3: https://lore.kernel.org/linux-xfs/20191125185523.47556-1-bfoster@xxxxxxxxxx/
- CIL based approach.
rfcv2: https://lore.kernel.org/linux-xfs/20191122181927.32870-1-bfoster@xxxxxxxxxx/
- Different approach based on workqueue and transaction rolling.
rfc: https://lore.kernel.org/linux-xfs/20191024172850.7698-1-bfoster@xxxxxxxxxx/

Brian Foster (2):
  xfs: automatic log item relog mechanism
  xfs: automatically relog the quotaoff start intent

 fs/xfs/xfs_dquot_item.c  |  7 +++++
 fs/xfs/xfs_qm_syscalls.c |  9 +++++++
 fs/xfs/xfs_trace.h       |  1 +
 fs/xfs/xfs_trans.c       | 30 +++++++++++++++++++++
 fs/xfs/xfs_trans.h       |  7 ++++-
 fs/xfs/xfs_trans_ail.c   | 56 ++++++++++++++++++++++++++++++++++++++--
 fs/xfs/xfs_trans_priv.h  |  5 ++++
 7 files changed, 112 insertions(+), 3 deletions(-)

-- 
2.20.1





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