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linux/drivers/md/dm.h
Alasdair G Kergon 36a0456fbf dm table: add immutable feature 
Introduce DM_TARGET_IMMUTABLE to indicate that the target type cannot be mixed
with any other target type, and once loaded into a device, it cannot be
replaced with a table containing a different type.

The thin provisioning pool device will use this.

Signed-off-by: Alasdair G Kergon <agk@redhat.com>
2011-10-31 20:19:04 +00:00

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