commit | 33bb782ac245caf8b4bc4c167ad662bf32077be5 | [log] [tgz] |
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author | Darrick J. Wong <darrick.wong@oracle.com> | Mon Oct 17 18:26:51 2016 -0700 |
committer | Darrick J. Wong <darrick.wong@oracle.com> | Tue Dec 20 22:46:32 2016 -0800 |
tree | 4a2a0c4ee3a4f6f68befcf2855d4ff36c6b278e4 | |
parent | 74added08c67ce724c99664d2eadcbb129d1b86a [diff] |
docs: update refcount btree to reflect new cow staging extent policy We now record the extents being used to stage a copy on write operation in the refcount btree with the high bit of rc_startblock set and a reference count of 1. Setting the high bit helps us reduce CoW GC time at mount by moving all the records to the right side of the tree. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de>