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lvm2/lib/label/label.h
2001-12-12 09:05:44 +00:00

32 lines
859 B
C

/*
* Copyright (C) 2001 Sistina Software (UK) Limited.
*
* This file is released under the GPL.
*/
struct label
{
uint32_t magic;
uint32_t crc;
uint16_t datalen;
char disk_type[32];
uint32_t version[3];
char *data; /* Should be freed with label_free() */
};
#define VERSION_MATCH_EQUAL 1
#define VERSION_MATCH_LESSTHAN 2
#define VERSION_MATCH_LESSEQUAL 3
#define VERSION_MATCH_ANY 4
extern int label_write(struct device *dev, struct label *label);
extern int label_read(struct device *dev, struct label *label);
extern void label_free(struct label *label);
extern int is_labelled(struct device *dev);
extern int labels_match(struct device *dev);
extern struct dev_filter *label_filter_create();
extern struct dev_filter *label_format_filter_create(char *disk_type, uint32_t version[3], int match_type);