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Btrfs: Integrate metadata reservation with start_transaction

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Besides simplify the code, this change makes sure all metadata
reservation for normal metadata operations are released after
committing transaction.

Changes since V1:

Add code that check if unlink and rmdir will free space.

Add ENOSPC handling for clone ioctl.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan, Zheng 2010-05-16 10:48:46 -04:00 • committed by Chris Mason
commit a22285a6a3
15 changed files with 678 additions and 528 deletions
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