tree 071be2c909a770fa97f3ed97ecb856046e72fa49
parent 0613f16cd20174d701853f1580ad44a9a6791ff2
author Darrick J. Wong <darrick.wong@oracle.com> 1475511098 -0700
committer Darrick J. Wong <darrick.wong@oracle.com> 1475709964 -0700

xfs: cancel CoW reservations and clear inode reflink flag when freeing blocks

When we're freeing blocks (truncate, punch, etc.), clear all CoW
reservations in the range being freed.  If the file block count
drops to zero, also clear the inode reflink flag.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>