Btrfs: Metadata ENOSPC handling for balance

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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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This commit is contained in:

Yan, Zheng

2010-05-16 10:49:59 -04:00

committed by Chris Mason

parent efa5646456

commit 3fd0a5585e

5 changed files with 1166 additions and 750 deletions

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fs/btrfs/relocation.c

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