bucket size must be a power of two

[bcachefs-tools-debian] / bcache.h

diff --git a/bcache.h b/bcache.h
index c9987d0dbeb45daedced98ad27907eecd141a54f..69d3edc3da9de70b2bcab589ef05da9b5990cab7 100644 (file)
--- a/bcache.h
+++ b/bcache.h
@@ -1,5 +1,5 @@
 /*
- * Author: Kent Overstreet <kmo@daterainc.com>
+ * Author: Kent Overstreet <kent.overstreet@gmail.com>
  *
  * GPLv2
  */
@@ -7,132 +7,29 @@
 #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_PATH               256
-#define MAX_DEVS               MAX_CACHES_PER_SET
-
-#define max(x, y) ({                           \
-       typeof(x) _max1 = (x);                  \
-       typeof(y) _max2 = (y);                  \
-       (void) (&_max1 == &_max2);              \
-       _max1 > _max2 ? _max1 : _max2; })
-
-#define __bkey_idx(_set, _offset)                              \
-       ((_set)->_data + (_offset))
-
-#define bkey_idx(_set, _offset)                                        \
-       ((typeof(&(_set)->start[0])) __bkey_idx((_set), (_offset)))
-
-#define bkey_next(_k)                                          \
-       ((typeof(_k)) __bkey_idx(_k, (_k)->u64s))
-
-#define __bset_bkey_last(_set)                                 \
-        __bkey_idx((_set), (_set)->u64s)
-
-#define bset_bkey_last(_set)                                   \
-        bkey_idx((_set), (_set)->u64s)
+#include "util.h"
 
 extern const char * const cache_state[];
 extern const char * const replacement_policies[];
 extern const char * const csum_types[];
+extern const char * const compression_types[];
+extern const char * const error_actions[];
 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 *, unsigned, uint64_t,
-                        const char *, uuid_le, 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, int, 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);
-
-enum sysfs_attr {SET_ATTR, CACHE_ATTR, INTERNAL_ATTR};
-
-static const char *set_attrs[] = {
-       "btree_flush_delay",
-       "btree_scan_ratelimit",
-       "bucket_reserve_percent",
-       "cache_reserve_percent",
-       "checksum_type",
-       "congested_read_threshold_us",
-       "congested_write_threshold_us",
-       "data_replicas",
-       "errors",
-       "foreground_target_percent",
-       "gc_sector_percent",
-       "journal_delay_ms",
-       "meta_replicas",
-       "sector_reserve_percent",
-       "tiering_percent",
-       NULL
-};
-
-static const char *cache_attrs[] = {
-       "cache_replacement_policy",
-       "discard",
-       "state",
-       "tier",
-       NULL
-};
-
-static const char *internal_attrs[] = {
-       "btree_shrinker_disabled",
-       "copy_gc_enabled",
-       "foreground_write_rate",
-       "tiering_enabled",
-       "tiering_rate",
-       NULL
-};
+int cmd_format(int argc, char *argv[]);
 
-enum sysfs_attr sysfs_attr_type(char *attr);
-void sysfs_attr_list();
+int cmd_unlock(int argc, char *argv[]);
+int cmd_assemble(int argc, char *argv[]);
+int cmd_incremental(int argc, char *argv[]);
+int cmd_run(int argc, char *argv[]);
+int cmd_stop(int argc, char *argv[]);
 
-struct cache_sb *query_dev(char *, bool, bool, bool, char *dev_uuid);
-char *list_cachesets(char *, bool);
-char *parse_array_to_list(char *const *);
-char *register_bcache(char *const *);
-char *unregister_bcache(char *const *);
-char *probe(char *, int);
-char *read_stat_dir(DIR *, char *, char *, char *);
-char *find_matching_uuid(char *, char *, const char*);
-char *add_devices(char *const *);
-char *remove_device(const char *, bool);
-char *bcache_get_capacity(const char *, const char *, bool);
-char *dev_name(const char *);
-char *device_set_failed(const char *dev_uuid);
+int cmd_fs_show(int argc, char *argv[]);
+int cmd_fs_set(int argc, char *argv[]);
 
-#define csum_set(i, type)                                              \
-({                                                                     \
-       void *start = ((void *) (i)) + sizeof(uint64_t);                \
-       void *end = __bset_bkey_last(i);                                \
-                                                                       \
-       bch_checksum(type, start, end - start);                         \
-})
+int cmd_device_show(int argc, char *argv[]);
+int cmd_device_add(int argc, char *argv[]);
+int cmd_device_remove(int argc, char *argv[]);
 
-#endif
+#endif /* _BCACHE_H */