diff options
Diffstat (limited to 'libstore')
| -rw-r--r-- | libstore/store.h | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/libstore/store.h b/libstore/store.h index 16b622cf..45bb97fb 100644 --- a/libstore/store.h +++ b/libstore/store.h @@ -41,7 +41,7 @@ struct store /* Address ranges in the underlying storage which make up our contiguous address space. In units of BLOCK_SIZE, below. */ off_t *runs; /* Malloced */ - size_t runs_len; /* Length of RUNS. */ + size_t num_runs; /* Length of RUNS. */ /* Maximum valid offset. This is the same as SIZE, but in blocks. */ off_t end; @@ -77,6 +77,10 @@ struct store struct store_meths *meths; + /* A list of sub-stores. The interpretation of this is type-specific. */ + struct store **children; + size_t num_children; + void *hook; /* Type specific noise. */ }; @@ -127,7 +131,7 @@ error_t store_device_create (device_t device, struct store **store); /* Like store_device_create, but doesn't query the device for information. */ error_t _store_device_create (device_t device, size_t block_size, - const off_t *runs, size_t runs_len, + const off_t *runs, size_t num_runs, struct store **store); /* Return a new store in STORE referring to the file FILE. Unlike @@ -138,7 +142,7 @@ error_t store_file_create (file_t file, struct store **store); /* Like store_file_create, but doesn't query the file for information. */ error_t _store_file_create (file_t file, size_t block_size, - const off_t *runs, size_t runs_len, + const off_t *runs, size_t num_runs, struct store **store); /* Return a new store in STORE that interleaves all the stores in STRIPES @@ -163,10 +167,10 @@ void store_free (struct store *store); struct store * _make_store (enum file_storage_class class, struct store_meths *meths, mach_port_t port, size_t block_size, - const off_t *runs, size_t runs_len, off_t end); + const off_t *runs, size_t num_runs, off_t end); -/* Set STORE's current runs list to (a copy of) RUNS and RUNS_LEN. */ -error_t store_set_runs (struct store *store, const off_t *runs, size_t runs_len); +/* Set STORE's current runs list to (a copy of) RUNS and NUM_RUNS. */ +error_t store_set_runs (struct store *store, const off_t *runs, size_t num_runs); /* Sets the name associated with STORE to a copy of NAME. */ error_t store_set_name (struct store *store, const char *name); @@ -227,7 +231,7 @@ struct store_enc char *data; /* The sizes of the vectors. */ - mach_msg_type_number_t ports_len, ints_len, offsets_len, data_len; + mach_msg_type_number_t num_ports, num_ints, num_offsets, data_len; /* Offsets into the above vectors, for an encoding/decoding in progress. */ size_t cur_port, cur_int, cur_offset, cur_data; @@ -245,9 +249,9 @@ struct store_enc if they are big enough (otherwise new ones will be automatically allocated). */ void store_enc_init (struct store_enc *enc, - mach_port_t *ports, mach_msg_type_number_t ports_len, - int *ints, mach_msg_type_number_t ints_len, - off_t *offsets, mach_msg_type_number_t offsets_len, + mach_port_t *ports, mach_msg_type_number_t num_ports, + int *ints, mach_msg_type_number_t num_ints, + off_t *offsets, mach_msg_type_number_t num_offsets, char *data, mach_msg_type_number_t data_len); /* Deallocate storage used by the fields in ENC (but nothing is done with ENC @@ -277,7 +281,7 @@ error_t store_default_leaf_decode (struct store_enc *enc, error_t (*create)(mach_port_t port, size_t block_size, const off_t *runs, - size_t runs_len, + size_t num_runs, struct store **store), struct store **store); |