Zach Brown 128a2c64f4 scoutfs: restore df/statfs block counts ...

The removal of extent allocators in the server removed the tracking of
total free blocks in the system as extents were allocated and freed.

This restores tracking of total free blocks by observing the difference
in each allocator's sm_total count as a new version is stored during a
commit on the server.

We change the single free_blocks counter in the super to separate counts
of free metadata and data blocks to reflect the metadata and data
allocators.  The statfs net command is updated.

Signed-off-by: Zach Brown <zab@versity.com>

2020-02-25 12:03:46 -08:00

kmod

scoutfs: restore df/statfs block counts

2020-02-25 12:03:46 -08:00

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