If backup tool dies or is killed, we cannot continue push_backup anyway
(because next instance of backup tool runtime won't know which blocks to
push_backup). So, it's useless to keep in-kernel push_backup state after
userspace part disappeared.
The patch set implements auto-destroy: ploop detects when userspace goes
away, then aborts and releases in-kernel push_backup.
---
Maxim Patlasov (2):
ploop: push_backup: factor out destroy
ploop: push_backup: implement auto destroy
drivers/block/ploop/dev.c | 14 ++------------
drivers/block/ploop/push_backup.c | 22 ++++++++++++++++++++++
drivers/block/ploop/push_backup.h | 2 ++
3 files changed, 26 insertions(+), 12 deletions(-)
--
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