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dm: export dm_copy_name_and_uuid

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

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2020-10-01 15:00:56 -04:00
parent 0cede372ce
commit 61931c0ee9
2 changed files with 3 additions and 3 deletions
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2
drivers/md/dm-ioctl.c
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@ -2044,7 +2044,7 @@ out:
return r;
}
EXPORT_SYMBOL_GPL(dm_copy_name_and_uuid);
/**
* dm_early_create - create a mapped device in early boot.

4
include/uapi/linux/dm-ioctl.h
View File

@ -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 */