| tag name | report-refcounts_2021-12-15 (7cbd21b28831e78ca0b02ea05942658c2151aae2) |
| tag date | 2021-12-15 17:31:15 -0800 |
| tagged by | Darrick J. Wong <djwong@kernel.org> |
| tagged object | commit a4fbafd73a... |
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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