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authorYan, Zheng <zheng.yan@oracle.com>2010-05-16 10:49:59 -0400
committerChris Mason <chris.mason@oracle.com>2010-05-25 10:34:54 -0400
commit3fd0a5585eb98e074fb9934549c8d85c49756c0d (patch)
tree3e7ff9bd9678a5eea62818a2f4a50e19dda91a81 /mm
parentefa56464562991b8c24f965199888806bd8c4b38 (diff)
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Btrfs: Metadata ENOSPC handling for balance
This patch adds metadata ENOSPC handling for the balance code. It is consisted by following major changes: 1. Avoid COW tree leave in the phrase of merging tree. 2. Handle interaction with snapshot creation. 3. make the backref cache can live across transactions. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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