/**
* Initializes the nffs memory and data structures. This must be called before
* any nffs operations are attempted.
*
* @return 0 on success; nonzero on error.
*/
int
nffs_init(void)
{
int rc;
nffs_config_init();
nffs_cache_clear();
rc = os_mutex_init(&nffs_mutex);
if (rc != 0) {
return NFFS_EOS;
}
free(nffs_file_mem);
nffs_file_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_files, sizeof (struct nffs_file)));
if (nffs_file_mem == NULL) {
return NFFS_ENOMEM;
}
free(nffs_inode_mem);
nffs_inode_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_inodes,
sizeof (struct nffs_inode_entry)));
if (nffs_inode_mem == NULL) {
return NFFS_ENOMEM;
}
free(nffs_block_entry_mem);
nffs_block_entry_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_blocks,
sizeof (struct nffs_hash_entry)));
if (nffs_block_entry_mem == NULL) {
return NFFS_ENOMEM;
}
free(nffs_cache_inode_mem);
nffs_cache_inode_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_cache_inodes,
sizeof (struct nffs_cache_inode)));
if (nffs_cache_inode_mem == NULL) {
return NFFS_ENOMEM;
}
free(nffs_cache_block_mem);
nffs_cache_block_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_cache_blocks,
sizeof (struct nffs_cache_block)));
if (nffs_cache_block_mem == NULL) {
return NFFS_ENOMEM;
}
rc = nffs_misc_reset();
if (rc != 0) {
return rc;
}
return 0;
}
/**
* Initializes internal nffs memory and data structures. This must be called
* before any nffs operations are attempted.
*
* @return 0 on success; nonzero on error.
*/
int
nffs_init(void)
{
int rc;
nffs_config_init();
nffs_cache_clear();
rc = os_mutex_init(&nffs_mutex);
if (rc != 0) {
return FS_EOS;
}
free(nffs_file_mem);
nffs_file_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_files, sizeof (struct nffs_file)));
if (nffs_file_mem == NULL) {
return FS_ENOMEM;
}
free(nffs_inode_mem);
nffs_inode_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_inodes,
sizeof (struct nffs_inode_entry)));
if (nffs_inode_mem == NULL) {
return FS_ENOMEM;
}
free(nffs_block_entry_mem);
nffs_block_entry_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_blocks,
sizeof (struct nffs_hash_entry)));
if (nffs_block_entry_mem == NULL) {
return FS_ENOMEM;
}
free(nffs_cache_inode_mem);
nffs_cache_inode_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_cache_inodes,
sizeof (struct nffs_cache_inode)));
if (nffs_cache_inode_mem == NULL) {
return FS_ENOMEM;
}
free(nffs_cache_block_mem);
nffs_cache_block_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_cache_blocks,
sizeof (struct nffs_cache_block)));
if (nffs_cache_block_mem == NULL) {
return FS_ENOMEM;
}
free(nffs_dir_mem);
nffs_dir_mem = malloc(
OS_MEMPOOL_BYTES(nffs_config.nc_num_dirs,
sizeof (struct nffs_dir)));
if (nffs_dir_mem == NULL) {
return FS_ENOMEM;
}
log_init();
log_console_handler_init(&nffs_log_console_handler);
log_register("nffs", &nffs_log, &nffs_log_console_handler);
rc = nffs_misc_reset();
if (rc != 0) {
return rc;
}
fs_register(&nffs_ops);
return 0;
}
