2 * Author: Kent Overstreet <kmo@daterainc.com>
10 #include <linux/bcache.h>
22 #define SB_START (SB_SECTOR * 512)
25 #define max(x, y) ({ \
26 typeof(x) _max1 = (x); \
27 typeof(y) _max2 = (y); \
28 (void) (&_max1 == &_max2); \
29 _max1 > _max2 ? _max1 : _max2; })
32 extern const char * const cache_state[];
33 extern const char * const replacement_policies[];
34 extern const char * const csum_types[];
35 extern const char * const bdev_cache_mode[];
36 extern const char * const bdev_state[];
38 ssize_t read_string_list(const char *, const char * const[]);
39 ssize_t read_string_list_or_die(const char *, const char * const[],
41 void print_string_list(const char * const[], size_t);
43 uint64_t bch_checksum(unsigned, const void *, size_t);
45 uint64_t getblocks(int);
46 uint64_t hatoi(const char *);
47 unsigned hatoi_validate(const char *, const char *);
48 void write_backingdev_sb(int, unsigned, unsigned *, bool, uint64_t,
49 const char *, uuid_le);
50 int dev_open(const char *, bool);
51 void write_cache_sbs(int *, struct cache_sb *, unsigned, unsigned *, int);
52 void next_cache_device(struct cache_sb *, unsigned, unsigned, unsigned, bool);
53 unsigned get_blocksize(const char *);
54 long strtoul_or_die(const char *, size_t, const char *);
56 void show_super_backingdev(struct cache_sb *, bool);
57 void show_super_cache(struct cache_sb *, bool);
59 struct cache_sb *query_dev(char *, bool);
60 int list_cachesets(char *);
61 char *parse_array_to_list(char *const *);
62 int register_bcache();
63 int probe(char *, int);
64 void print_dev_info(struct cache_sb *, bool);
65 void sb_state(struct cache_sb *, char *);
68 #define csum_set(i, type) \
70 void *start = ((void *) (i)) + sizeof(uint64_t); \
71 void *end = bset_bkey_last(i); \
73 bch_checksum(type, start, end - start); \