Commit 61931c0e authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm: export dm_copy_name_and_uuid 



Allow DM targets to access the configured name and uuid.
Also, bump DM ioctl version.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 0cede372

drivers/md/dm-ioctl.c

+1 −1
Original line number Diff line number Diff line
@@ -2044,7 +2044,7 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid) 


	return r;

}



EXPORT_SYMBOL_GPL(dm_copy_name_and_uuid);



/**

 * dm_early_create - create a mapped device in early boot.

include/uapi/linux/dm-ioctl.h

+2 −2
Original line number Diff line number Diff line
@@ -272,9 +272,9 @@ enum { 
#define DM_DEV_SET_GEOMETRY	_IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)



#define DM_VERSION_MAJOR	4

#define DM_VERSION_MINOR	42

#define DM_VERSION_MINOR	43

#define DM_VERSION_PATCHLEVEL	0

#define DM_VERSION_EXTRA	"-ioctl (2020-02-27)"

#define DM_VERSION_EXTRA	"-ioctl (2020-10-01)"



/* Status bits */

#define DM_READONLY_FLAG	(1 << 0) /* In/Out */