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33ba612920
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3 Commits

Author SHA1 Message Date
Darrick J. Wong
33ba612920 xfs: connect refcount adjust functions to upper layers 
Plumb in the upper level interface to schedule and finish deferred
refcount operations via the deferred ops mechanism.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
 2016-10-03 09:11:22 -07:00
Darrick J. Wong
f997ee2137 xfs: log refcount intent items 
Provide a mechanism for higher levels to create CUI/CUD items, submit
them to the log, and a stub function to deal with recovered CUI items.
These parts will be connected to the refcountbt in a later patch.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
 2016-10-03 09:11:21 -07:00
Darrick J. Wong
bdf28630b7 xfs: add refcount btree operations 
Implement the generic btree operations required to manipulate refcount
btree blocks.  The implementation is similar to the bmapbt, though it
will only allocate and free blocks from the AG.

Since the refcount root and level fields are separate from the
existing roots and levels array, they need a separate logging flag.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
[hch: fix logging of AGF refcount btree fields]
Signed-off-by: Christoph Hellwig <hch@lst.de>
 2016-10-03 09:11:19 -07:00