dm: add presuspend_undo hook to target_type
The DM thin-pool target now must undo the changes performed during pool_presuspend() so introduce presuspend_undo hook in target_type. Signed-off-by:Mike Snitzer <snitzer@redhat.com> Acked-by:
Joe Thornber <ejt@redhat.com>
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- drivers/md/dm-table.c 29 additions, 7 deletionsdrivers/md/dm-table.c
- drivers/md/dm.c 8 additions, 2 deletionsdrivers/md/dm.c
- drivers/md/dm.h 1 addition, 0 deletionsdrivers/md/dm.h
- include/linux/device-mapper.h 2 additions, 0 deletionsinclude/linux/device-mapper.h
- include/uapi/linux/dm-ioctl.h 2 additions, 2 deletionsinclude/uapi/linux/dm-ioctl.h
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