dm: set DM_TARGET_WILDCARD feature on "error" target

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The DM_TARGET_WILDCARD feature indicates that the "error" target may
replace any target; even immutable targets.  This feature will be useful
to preserve the ability to replace the "multipath" target even once it
is formally converted over to having the DM_TARGET_IMMUTABLE feature.

Also, implicit in the DM_TARGET_WILDCARD feature flag being set is that
.map, .map_rq, .clone_and_map_rq and .release_clone_rq are all defined
in the target_type.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>

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This commit is contained in:

Mike Snitzer 2016-02-06 18:38:46 -05:00

parent e522c03905

commit f083b09b78

5 changed files with 26 additions and 2 deletions

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7

include/linux/device-mapper.h

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