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Btrfs: Metadata ENOSPC handling for balance
authorYan, Zheng <zheng.yan@oracle.com>
Sun, 16 May 2010 14:49:59 +0000 (10:49 -0400)
committerChris Mason <chris.mason@oracle.com>
Tue, 25 May 2010 14:34:54 +0000 (10:34 -0400)
commit3fd0a5585eb98e074fb9934549c8d85c49756c0d
tree3e7ff9bd9678a5eea62818a2f4a50e19dda91a81tree | snapshot (tar.gz zip)
parentefa56464562991b8c24f965199888806bd8c4b38commit | diff
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>
fs/btrfs/ctree.c diff | blob | blame | history
fs/btrfs/ctree.h diff | blob | blame | history
fs/btrfs/extent-tree.c diff | blob | blame | history
fs/btrfs/relocation.c diff | blob | blame | history
fs/btrfs/transaction.c diff | blob | blame | history