dm: add presuspend_undo hook to target_type

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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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Mike Snitzer 2014-10-28 20:13:31 -04:00

parent 4d341d8216

commit d67ee213fa

5 changed files with 42 additions and 11 deletions

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2

include/linux/device-mapper.h

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4

include/uapi/linux/dm-ioctl.h

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