bcachefs-tools/bcache.h
Jacob Malevich 269761b11f bcacheadm status [FLAGS] <list of stats>
FLAGS:
--list	-list all stats in the uuid directory
--all	-list all stats/values in the uuid directory
--uuid	-must pass in a uuid for the cacheset

TODO:	-subdirectory stats for individual caches
	-subdirectory stats for over time stats

Change-Id: Ic7126a511fb17aa8c9ac7bf89e014ddbb719f46d
Signed-off-by: Jacob Malevich <jam@daterainc.com>
2014-11-06 15:36:38 -08:00

79 lines
2.0 KiB
C

/*
* Author: Kent Overstreet <kmo@daterainc.com>
*
* GPLv2
*/
#ifndef _BCACHE_H
#define _BCACHE_H
#include <linux/bcache.h>
#include <dirent.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 *);
void read_stat_dir(DIR *, char *, char *, bool);
#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