4 #include <linux/uuid.h>
7 #include "libbcachefs/bcachefs_format.h"
8 #include "libbcachefs/bcachefs_ioctl.h"
9 #include "libbcachefs/opts.h"
10 #include "libbcachefs/vstructs.h"
11 #include "tools-util.h"
15 #define SUPERBLOCK_SIZE_DEFAULT 2048 /* 1 MB */
19 char *by_id[bch2_opts_nr];
21 #define x(_name, ...) char *_name;
28 struct bch_opt_strs bch2_cmdline_opts_get(int *, char *[], unsigned);
29 struct bch_opts bch2_parse_opts(struct bch_opt_strs);
30 void bch2_opts_usage(unsigned);
36 unsigned superblock_size;
37 unsigned encoded_extent_max;
42 static inline struct format_opts format_opts_default()
44 return (struct format_opts) {
45 .version = bcachefs_metadata_version_current,
46 .superblock_size = SUPERBLOCK_SIZE_DEFAULT,
47 .encoded_extent_max = 128,
54 u64 size; /* 512 byte sectors */
57 unsigned data_allowed;
67 static inline struct dev_opts dev_opts_default()
69 return (struct dev_opts) {
70 .data_allowed = ~0U << 2,
75 void bch2_pick_bucket_size(struct bch_opts, struct dev_opts *);
76 struct bch_sb *bch2_format(struct bch_opt_strs,
78 struct format_opts, struct dev_opts *, size_t);
80 void bch2_super_write(int, struct bch_sb *);
81 struct bch_sb *__bch2_super_read(int, u64);
83 void bch2_sb_print(struct bch_sb *, bool, unsigned, enum units);
85 /* ioctl interface: */
87 int bcachectl_open(void);
95 void bcache_fs_close(struct bchfs_handle);
96 struct bchfs_handle bcache_fs_open(const char *);
97 struct bchfs_handle bchu_fs_open_by_dev(const char *, unsigned *);
99 static inline void bchu_disk_add(struct bchfs_handle fs, char *dev)
101 struct bch_ioctl_disk i = { .dev = (unsigned long) dev, };
103 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_ADD, &i);
106 static inline void bchu_disk_remove(struct bchfs_handle fs, unsigned dev_idx,
109 struct bch_ioctl_disk i = {
110 .flags = flags|BCH_BY_INDEX,
114 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_REMOVE, &i);
117 static inline void bchu_disk_online(struct bchfs_handle fs, char *dev)
119 struct bch_ioctl_disk i = { .dev = (unsigned long) dev, };
121 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_ONLINE, &i);
124 static inline void bchu_disk_offline(struct bchfs_handle fs, unsigned dev_idx,
127 struct bch_ioctl_disk i = {
128 .flags = flags|BCH_BY_INDEX,
132 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_OFFLINE, &i);
135 static inline void bchu_disk_set_state(struct bchfs_handle fs, unsigned dev,
136 unsigned new_state, unsigned flags)
138 struct bch_ioctl_disk_set_state i = {
139 .flags = flags|BCH_BY_INDEX,
140 .new_state = new_state,
144 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_SET_STATE, &i);
147 static inline struct bch_ioctl_fs_usage *bchu_fs_usage(struct bchfs_handle fs)
149 struct bch_ioctl_fs_usage *u = NULL;
150 size_t replica_entries_bytes = 4096;
153 u = xrealloc(u, sizeof(*u) + replica_entries_bytes);
154 u->replica_entries_bytes = replica_entries_bytes;
156 if (!ioctl(fs.ioctl_fd, BCH_IOCTL_FS_USAGE, u))
160 die("BCH_IOCTL_USAGE error: %m");
162 replica_entries_bytes *= 2;
166 static inline struct bch_ioctl_dev_usage bchu_dev_usage(struct bchfs_handle fs,
169 struct bch_ioctl_dev_usage i = { .dev = idx, .flags = BCH_BY_INDEX};
171 if (xioctl(fs.ioctl_fd, BCH_IOCTL_DEV_USAGE, &i))
172 die("BCH_IOCTL_DEV_USAGE error: %m");
176 static inline struct bch_sb *bchu_read_super(struct bchfs_handle fs, unsigned idx)
179 struct bch_sb *sb = NULL;
182 sb = xrealloc(sb, size);
183 struct bch_ioctl_read_super i = {
185 .sb = (unsigned long) sb,
189 i.flags |= BCH_READ_DEV|BCH_BY_INDEX;
193 if (!ioctl(fs.ioctl_fd, BCH_IOCTL_READ_SUPER, &i))
196 die("BCH_IOCTL_READ_SUPER error: %m");
201 static inline unsigned bchu_disk_get_idx(struct bchfs_handle fs, dev_t dev)
203 struct bch_ioctl_disk_get_idx i = { .dev = dev };
205 return xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_GET_IDX, &i);
208 static inline void bchu_disk_resize(struct bchfs_handle fs,
212 struct bch_ioctl_disk_resize i = {
213 .flags = BCH_BY_INDEX,
215 .nbuckets = nbuckets,
218 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_RESIZE, &i);
221 static inline void bchu_disk_resize_journal(struct bchfs_handle fs,
225 struct bch_ioctl_disk_resize i = {
226 .flags = BCH_BY_INDEX,
228 .nbuckets = nbuckets,
231 xioctl(fs.ioctl_fd, BCH_IOCTL_DISK_RESIZE_JOURNAL, &i);
234 int bchu_data(struct bchfs_handle, struct bch_ioctl_data);
242 typedef darray(struct dev_name) dev_names;
244 dev_names bchu_fs_get_devices(struct bchfs_handle);
246 #endif /* _LIBBCACHE_H */