Stefan Behrens 733f4fbbc1 Btrfs: read device stats on mount, write modified ones during commit ...

The device statistics are written into the device tree with each
transaction commit. Only modified statistics are written.
When a filesystem is mounted, the device statistics for each involved
device are read from the device tree and used to initialize the
counters.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>

2012-05-30 10:23:41 -04:00

11 KiB

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