tree 6db45615c97decf9d8c75bbc8c590e0ca5d936b2
parent 4f435ebe7d0422af61cdcddbbcc659888645a1e1
author Darrick J. Wong <darrick.wong@oracle.com> 1475511111 -0700
committer Darrick J. Wong <darrick.wong@oracle.com> 1475709991 -0700

xfs: simulate per-AG reservations being critically low

Create an error injection point that enables us to simulate being
critically low on per-AG block reservations.  This should enable us to
simulate this specific ENOSPC condition so that we can test falling back
to a regular file copy.

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