tree 3fabc88a029e1af4f2fdcc708e7b62ef3cf3703a
parent f0486c68e4bd9a06a5904d3eeb3a0d73a83befb8
author Yan, Zheng <zheng.yan@oracle.com> 1274021326 -0400
committer Chris Mason <chris.mason@oracle.com> 1274798090 -0400

Btrfs: Integrate metadata reservation with start_transaction

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>