| tag name | report-refcounts_2021-09-17 (d90763573b0dfc88685029d93ee532c7fd7d6c7c) |
| tag date | 2021-09-17 18:56:32 -0700 |
| tagged by | Darrick J. Wong <djwong@kernel.org> |
| tagged object | commit 8b79a60325... |
xfs: report refcount information to userspace
Create a new ioctl to report the number of owners of each disk block so
that reflink-aware defraggers can make better decisions about which
extents to target.
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