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由 Anton Nefedov 提交于
A block driver can provide a callback to report driver-specific statistics. file-posix driver now reports discard statistics Signed-off-by: NAnton Nefedov <anton.nefedov@virtuozzo.com> Reviewed-by: NVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: NMarkus Armbruster <armbru@redhat.com> Message-id: 20190923121737.83281-10-anton.nefedov@virtuozzo.com Signed-off-by: NMax Reitz <mreitz@redhat.com>
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