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dm: export name and uuid

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This patch adds a function to obtain a copy of a mapped device's name and uuid.

Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mike Anderson 2007-10-19 22:47:59 +01:00 • committed by Alasdair G Kergon
parent aa5617c553
commit 96a1f7dba6
2 changed files with 33 additions and 0 deletions
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1
include/linux/device-mapper.h
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@ -188,6 +188,7 @@ int dm_wait_event(struct mapped_device *md, int event_nr);
* Info functions.
*/
const char *dm_device_name(struct mapped_device *md);
int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid);
struct gendisk *dm_disk(struct mapped_device *md);
int dm_suspended(struct mapped_device *md);
int dm_noflush_suspending(struct dm_target *ti);