bcachefs-tools/bcache.h
Jacob Malevich 637b614630 bcacheadm status <list of devs>
provides status for the newest sb version for each tier for all
the devs passed in

Change-Id: Ib6e5b08e65b5c36e7b1af0e9806efc39d069f94c
Signed-off-by: Jacob Malevich <jam@daterainc.com>
2014-11-05 17:45:57 -08:00

77 lines
1.9 KiB
C

/*
* Author: Kent Overstreet <kmo@daterainc.com>
*
* GPLv2
*/
#ifndef _BCACHE_H
#define _BCACHE_H
#include <linux/bcache.h>
typedef __u8 u8;
typedef __u16 u16;
typedef __u32 u32;
typedef __u64 u64;
typedef __s8 s8;
typedef __s16 s16;
typedef __s32 s32;
typedef __s64 s64;
#define SB_START (SB_SECTOR * 512)
#define max(x, y) ({ \
typeof(x) _max1 = (x); \
typeof(y) _max2 = (y); \
(void) (&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
extern const char * const cache_state[];
extern const char * const replacement_policies[];
extern const char * const csum_types[];
extern const char * const bdev_cache_mode[];
extern const char * const bdev_state[];
ssize_t read_string_list(const char *, const char * const[]);
ssize_t read_string_list_or_die(const char *, const char * const[],
const char *);
void print_string_list(const char * const[], size_t);
uint64_t bch_checksum(unsigned, const void *, size_t);
uint64_t getblocks(int);
uint64_t hatoi(const char *);
unsigned hatoi_validate(const char *, const char *);
void write_backingdev_sb(int, unsigned, unsigned *, bool, uint64_t,
const char *, uuid_le);
int dev_open(const char *, bool);
void write_cache_sbs(int *, struct cache_sb *, unsigned, unsigned *, int);
void next_cache_device(struct cache_sb *, unsigned, unsigned, unsigned, bool);
unsigned get_blocksize(const char *);
long strtoul_or_die(const char *, size_t, const char *);
void show_super_backingdev(struct cache_sb *, bool);
void show_super_cache(struct cache_sb *, bool);
struct cache_sb *query_dev(char *, bool);
int list_cachesets(char *);
char *parse_array_to_list(char *const *);
int register_bcache();
int probe(char *, int);
void print_dev_info(struct cache_sb *, bool);
void sb_state(struct cache_sb *, char *);
#define csum_set(i, type) \
({ \
void *start = ((void *) (i)) + sizeof(uint64_t); \
void *end = bset_bkey_last(i); \
\
bch_checksum(type, start, end - start); \
})
#endif