bcacheadm: add command to modify sysfs attributes for

[bcachefs-tools-debian] / bcache.h

diff --git a/bcache.h b/bcache.h
index c5ba186166276f529eaed0f9e2ebb063a6b851ef..dc79d066521460284f3716b41e371cb42201d38e 100644 (file)
--- a/bcache.h
+++ b/bcache.h
@@ -8,8 +8,27 @@
 #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(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[];
@@ -24,6 +43,72 @@ 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, 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
+};
+
+enum sysfs_attr sysfs_attr_type(char *attr);
+void sysfs_attr_list();
+
+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 *, bool);
+char *find_matching_uuid(char *, char *, const char*);
+char *add_devices(char *const *, char *);
+char *remove_device(const char *, bool);
+
 #define csum_set(i, type)                                              \
 ({                                                                     \
        void *start = ((void *) (i)) + sizeof(uint64_t);                \