- BCH_OPT(block_size, u16, OPT_FORMAT, \
- OPT_UINT(1, 128), \
- BCH_SB_BLOCK_SIZE, 8) \
- BCH_OPT(btree_node_size, u16, OPT_FORMAT, \
- OPT_UINT(1, 128), \
- BCH_SB_BTREE_NODE_SIZE, 512) \
- BCH_OPT(errors, u8, OPT_RUNTIME, \
- OPT_STR(bch2_error_actions), \
- BCH_SB_ERROR_ACTION, BCH_ON_ERROR_RO) \
- BCH_OPT(metadata_replicas, u8, OPT_RUNTIME, \
- OPT_UINT(1, BCH_REPLICAS_MAX), \
- BCH_SB_META_REPLICAS_WANT, 1) \
- BCH_OPT(data_replicas, u8, OPT_RUNTIME, \
- OPT_UINT(1, BCH_REPLICAS_MAX), \
- BCH_SB_DATA_REPLICAS_WANT, 1) \
- BCH_OPT(metadata_replicas_required, u8, OPT_MOUNT, \
- OPT_UINT(1, BCH_REPLICAS_MAX), \
- BCH_SB_META_REPLICAS_REQ, 1) \
- BCH_OPT(data_replicas_required, u8, OPT_MOUNT, \
- OPT_UINT(1, BCH_REPLICAS_MAX), \
- BCH_SB_DATA_REPLICAS_REQ, 1) \
- BCH_OPT(metadata_checksum, u8, OPT_RUNTIME, \
- OPT_STR(bch2_csum_types), \
- BCH_SB_META_CSUM_TYPE, BCH_CSUM_OPT_CRC32C) \
- BCH_OPT(data_checksum, u8, OPT_RUNTIME, \
- OPT_STR(bch2_csum_types), \
- BCH_SB_DATA_CSUM_TYPE, BCH_CSUM_OPT_CRC32C) \
- BCH_OPT(compression, u8, OPT_RUNTIME, \
- OPT_STR(bch2_compression_types), \
- BCH_SB_COMPRESSION_TYPE, BCH_COMPRESSION_OPT_NONE)\
- BCH_OPT(str_hash, u8, OPT_RUNTIME, \
- OPT_STR(bch2_str_hash_types), \
- BCH_SB_STR_HASH_TYPE, BCH_STR_HASH_SIPHASH) \
- BCH_OPT(inodes_32bit, u8, OPT_RUNTIME, \
- OPT_BOOL(), \
- BCH_SB_INODE_32BIT, false) \
- BCH_OPT(gc_reserve_percent, u8, OPT_MOUNT, \
- OPT_UINT(5, 21), \
- BCH_SB_GC_RESERVE, 8) \
- BCH_OPT(root_reserve_percent, u8, OPT_MOUNT, \
- OPT_UINT(0, 100), \
- BCH_SB_ROOT_RESERVE, 0) \
- BCH_OPT(wide_macs, u8, OPT_RUNTIME, \
- OPT_BOOL(), \
- BCH_SB_128_BIT_MACS, false) \
- BCH_OPT(acl, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- BCH_SB_POSIX_ACL, true) \
- BCH_OPT(usrquota, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- BCH_SB_USRQUOTA, false) \
- BCH_OPT(grpquota, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- BCH_SB_GRPQUOTA, false) \
- BCH_OPT(prjquota, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- BCH_SB_PRJQUOTA, false) \
- BCH_OPT(degraded, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(verbose_recovery, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(verbose_init, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(journal_flush_disabled, u8, OPT_RUNTIME, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(nofsck, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(fix_errors, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(nochanges, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(noreplay, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(norecovery, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(noexcl, u8, OPT_MOUNT, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(sb, u64, OPT_MOUNT, \
- OPT_UINT(0, S64_MAX), \
- NO_SB_OPT, BCH_SB_SECTOR) \
- BCH_OPT(read_only, u8, OPT_INTERNAL, \
- OPT_BOOL(), \
- NO_SB_OPT, false) \
- BCH_OPT(nostart, u8, OPT_INTERNAL, \
- OPT_BOOL(), \
- NO_SB_OPT, false)
+ x(block_size, u16, \
+ OPT_FS|OPT_FORMAT| \
+ OPT_HUMAN_READABLE|OPT_MUST_BE_POW_2|OPT_SB_FIELD_SECTORS, \
+ OPT_UINT(512, 1U << 16), \
+ BCH_SB_BLOCK_SIZE, 8, \
+ "size", NULL) \
+ x(btree_node_size, u32, \
+ OPT_FS|OPT_FORMAT| \
+ OPT_HUMAN_READABLE|OPT_MUST_BE_POW_2|OPT_SB_FIELD_SECTORS, \
+ OPT_UINT(512, 1U << 20), \
+ BCH_SB_BTREE_NODE_SIZE, 512, \
+ "size", "Btree node size, default 256k") \
+ x(errors, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_STR(bch2_error_actions), \
+ BCH_SB_ERROR_ACTION, BCH_ON_ERROR_ro, \
+ NULL, "Action to take on filesystem error") \
+ x(metadata_replicas, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, BCH_REPLICAS_MAX), \
+ BCH_SB_META_REPLICAS_WANT, 1, \
+ "#", "Number of metadata replicas") \
+ x(data_replicas, u8, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, BCH_REPLICAS_MAX), \
+ BCH_SB_DATA_REPLICAS_WANT, 1, \
+ "#", "Number of data replicas") \
+ x(metadata_replicas_required, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_UINT(1, BCH_REPLICAS_MAX), \
+ BCH_SB_META_REPLICAS_REQ, 1, \
+ "#", NULL) \
+ x(data_replicas_required, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_UINT(1, BCH_REPLICAS_MAX), \
+ BCH_SB_DATA_REPLICAS_REQ, 1, \
+ "#", NULL) \
+ x(encoded_extent_max, u32, \
+ OPT_FS|OPT_FORMAT| \
+ OPT_HUMAN_READABLE|OPT_MUST_BE_POW_2|OPT_SB_FIELD_SECTORS|OPT_SB_FIELD_ILOG2,\
+ OPT_UINT(4096, 2U << 20), \
+ BCH_SB_ENCODED_EXTENT_MAX_BITS, 64 << 10, \
+ "size", "Maximum size of checksummed/compressed extents")\
+ x(metadata_checksum, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_STR(bch2_csum_opts), \
+ BCH_SB_META_CSUM_TYPE, BCH_CSUM_OPT_crc32c, \
+ NULL, NULL) \
+ x(data_checksum, u8, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_STR(bch2_csum_opts), \
+ BCH_SB_DATA_CSUM_TYPE, BCH_CSUM_OPT_crc32c, \
+ NULL, NULL) \
+ x(compression, u8, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_compression), \
+ BCH_SB_COMPRESSION_TYPE, BCH_COMPRESSION_OPT_none, \
+ NULL, NULL) \
+ x(background_compression, u8, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_compression), \
+ BCH_SB_BACKGROUND_COMPRESSION_TYPE,BCH_COMPRESSION_OPT_none, \
+ NULL, NULL) \
+ x(str_hash, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_STR(bch2_str_hash_opts), \
+ BCH_SB_STR_HASH_TYPE, BCH_STR_HASH_OPT_siphash, \
+ NULL, "Hash function for directory entries and xattrs")\
+ x(metadata_target, u16, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_target), \
+ BCH_SB_METADATA_TARGET, 0, \
+ "(target)", "Device or label for metadata writes") \
+ x(foreground_target, u16, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_target), \
+ BCH_SB_FOREGROUND_TARGET, 0, \
+ "(target)", "Device or label for foreground writes") \
+ x(background_target, u16, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_target), \
+ BCH_SB_BACKGROUND_TARGET, 0, \
+ "(target)", "Device or label to move data to in the background")\
+ x(promote_target, u16, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_FN(bch2_opt_target), \
+ BCH_SB_PROMOTE_TARGET, 0, \
+ "(target)", "Device or label to promote data to on read") \
+ x(erasure_code, u16, \
+ OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_ERASURE_CODE, false, \
+ NULL, "Enable erasure coding (DO NOT USE YET)") \
+ x(inodes_32bit, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_INODE_32BIT, true, \
+ NULL, "Constrain inode numbers to 32 bits") \
+ x(shard_inode_numbers, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_SHARD_INUMS, true, \
+ NULL, "Shard new inode numbers by CPU id") \
+ x(inodes_use_key_cache, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH_SB_INODES_USE_KEY_CACHE, true, \
+ NULL, "Use the btree key cache for the inodes btree") \
+ x(btree_node_mem_ptr_optimization, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Stash pointer to in memory btree node in btree ptr")\
+ x(gc_reserve_percent, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(5, 21), \
+ BCH_SB_GC_RESERVE, 8, \
+ "%", "Percentage of disk space to reserve for copygc")\
+ x(gc_reserve_bytes, u64, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME| \
+ OPT_HUMAN_READABLE|OPT_SB_FIELD_SECTORS, \
+ OPT_UINT(0, U64_MAX), \
+ BCH_SB_GC_RESERVE_BYTES, 0, \
+ "%", "Amount of disk space to reserve for copygc\n" \
+ "Takes precedence over gc_reserve_percent if set")\
+ x(root_reserve_percent, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_UINT(0, 100), \
+ BCH_SB_ROOT_RESERVE, 0, \
+ "%", "Percentage of disk space to reserve for superuser")\
+ x(wide_macs, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_128_BIT_MACS, false, \
+ NULL, "Store full 128 bits of cryptographic MACs, instead of 80")\
+ x(inline_data, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable inline data extents") \
+ x(acl, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH_SB_POSIX_ACL, true, \
+ NULL, "Enable POSIX acls") \
+ x(usrquota, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH_SB_USRQUOTA, false, \
+ NULL, "Enable user quotas") \
+ x(grpquota, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH_SB_GRPQUOTA, false, \
+ NULL, "Enable group quotas") \
+ x(prjquota, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH_SB_PRJQUOTA, false, \
+ NULL, "Enable project quotas") \
+ x(degraded, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Allow mounting in degraded mode") \
+ x(very_degraded, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Allow mounting in when data will be missing") \
+ x(discard, u8, \
+ OPT_FS|OPT_MOUNT|OPT_DEVICE, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable discard/TRIM support") \
+ x(verbose, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, BCACHEFS_VERBOSE_DEFAULT, \
+ NULL, "Extra debugging information during mount/recovery")\
+ x(journal_flush_delay, u32, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, U32_MAX), \
+ BCH_SB_JOURNAL_FLUSH_DELAY, 1000, \
+ NULL, "Delay in milliseconds before automatic journal commits")\
+ x(journal_flush_disabled, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_JOURNAL_FLUSH_DISABLED,false, \
+ NULL, "Disable journal flush on sync/fsync\n" \
+ "If enabled, writes can be lost, but only since the\n"\
+ "last journal write (default 1 second)") \
+ x(journal_reclaim_delay, u32, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(0, U32_MAX), \
+ BCH_SB_JOURNAL_RECLAIM_DELAY, 100, \
+ NULL, "Delay in milliseconds before automatic journal reclaim")\
+ x(move_bytes_in_flight, u32, \
+ OPT_HUMAN_READABLE|OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1024, U32_MAX), \
+ BCH2_NO_SB_OPT, 1U << 20, \
+ NULL, "Maximum Amount of IO to keep in flight by the move path")\
+ x(move_ios_in_flight, u32, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, 1024), \
+ BCH2_NO_SB_OPT, 32, \
+ NULL, "Maximum number of IOs to keep in flight by the move path")\
+ x(fsck, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Run fsck on mount") \
+ x(fix_errors, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_FN(bch2_opt_fix_errors), \
+ BCH2_NO_SB_OPT, FSCK_FIX_exit, \
+ NULL, "Fix errors during fsck without asking") \
+ x(ratelimit_errors, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, RATELIMIT_ERRORS_DEFAULT, \
+ NULL, "Ratelimit error messages during fsck") \
+ x(nochanges, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Super read only mode - no writes at all will be issued,\n"\
+ "even if we have to replay the journal") \
+ x(norecovery, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Don't replay the journal") \
+ x(keep_journal, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Don't free journal entries/keys after startup")\
+ x(read_entire_journal, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Read all journal entries, not just dirty ones")\
+ x(read_journal_only, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Only read the journal, skip the rest of recovery")\
+ x(journal_transaction_names, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_JOURNAL_TRANSACTION_NAMES, true, \
+ NULL, "Log transaction function names in journal") \
+ x(noexcl, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Don't open device in exclusive mode") \
+ x(direct_io, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Use O_DIRECT (userspace only)") \
+ x(sb, u64, \
+ OPT_MOUNT, \
+ OPT_UINT(0, S64_MAX), \
+ BCH2_NO_SB_OPT, BCH_SB_SECTOR, \
+ "offset", "Sector offset of superblock") \
+ x(read_only, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, NULL) \
+ x(nostart, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Don\'t start filesystem, only open devices") \
+ x(reconstruct_alloc, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Reconstruct alloc btree") \
+ x(version_upgrade, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_STR(bch2_version_upgrade_opts), \
+ BCH_SB_VERSION_UPGRADE, BCH_VERSION_UPGRADE_compatible, \
+ NULL, "Set superblock to latest version,\n" \
+ "allowing any new features to be used") \
+ x(buckets_nouse, u8, \
+ 0, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Allocate the buckets_nouse bitmap") \
+ x(stdio, u64, \
+ 0, \
+ OPT_UINT(0, S64_MAX), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Pointer to a struct stdio_redirect") \
+ x(project, u8, \
+ OPT_INODE, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, NULL) \
+ x(nocow, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \
+ OPT_BOOL(), \
+ BCH_SB_NOCOW, false, \
+ NULL, "Nocow mode: Writes will be done in place when possible.\n"\
+ "Snapshots and reflink will still caused writes to be COW\n"\
+ "Implicitly disables data checksumming, compression and encryption")\
+ x(nocow_enabled, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable nocow mode: enables runtime locking in\n"\
+ "data move path needed if nocow will ever be in use\n")\
+ x(no_data_io, u8, \
+ OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Skip submit_bio() for data reads and writes, " \
+ "for performance testing purposes") \
+ x(fs_size, u64, \
+ OPT_DEVICE, \
+ OPT_UINT(0, S64_MAX), \
+ BCH2_NO_SB_OPT, 0, \
+ "size", "Size of filesystem on device") \
+ x(bucket, u32, \
+ OPT_DEVICE, \
+ OPT_UINT(0, S64_MAX), \
+ BCH2_NO_SB_OPT, 0, \
+ "size", "Size of filesystem on device") \
+ x(durability, u8, \
+ OPT_DEVICE, \
+ OPT_UINT(0, BCH_REPLICAS_MAX), \
+ BCH2_NO_SB_OPT, 1, \
+ "n", "Data written to this device will be considered\n"\
+ "to have already been replicated n times") \
+ x(btree_node_prefetch, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "BTREE_ITER_PREFETCH casuse btree nodes to be\n"\
+ " prefetched sequentially")