X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Fopts.h;h=93a24fef42148488cdddb391cd291dd0e0168063;hb=8117fa732b4a4cd5e830d021e523c63725afcda3;hp=71ebace78453a99704041b7937ce8bae8076b7cf;hpb=1952c0790c74e4e81d7066a19aabc5c55a13f10f;p=bcachefs-tools-debian diff --git a/libbcachefs/opts.h b/libbcachefs/opts.h index 71ebace..93a24fe 100644 --- a/libbcachefs/opts.h +++ b/libbcachefs/opts.h @@ -8,15 +8,30 @@ #include #include "bcachefs_format.h" +struct bch_fs; + extern const char * const bch2_error_actions[]; +extern const char * const bch2_fsck_fix_opts[]; +extern const char * const bch2_version_upgrade_opts[]; extern const char * const bch2_sb_features[]; +extern const char * const bch2_sb_compat[]; +extern const char * const __bch2_btree_ids[]; +extern const char * const bch2_csum_types[]; extern const char * const bch2_csum_opts[]; +extern const char * const bch2_compression_types[]; extern const char * const bch2_compression_opts[]; extern const char * const bch2_str_hash_types[]; +extern const char * const bch2_str_hash_opts[]; extern const char * const bch2_data_types[]; -extern const char * const bch2_cache_replacement_policies[]; -extern const char * const bch2_cache_modes[]; -extern const char * const bch2_dev_state[]; +extern const char * const bch2_member_states[]; +extern const char * const bch2_jset_entry_types[]; +extern const char * const bch2_fs_usage_types[]; +extern const char * const bch2_d_types[]; + +static inline const char *bch2_d_type_str(unsigned d_type) +{ + return (d_type < BCH_DT_MAX ? bch2_d_types[d_type] : NULL) ?: "(bad d_type)"; +} /* * Mount options; we also store defaults in the superblock. @@ -31,25 +46,36 @@ extern const char * const bch2_dev_state[]; */ /* dummy option, for options that aren't stored in the superblock */ -LE64_BITMASK(NO_SB_OPT, struct bch_sb, flags[0], 0, 0); +u64 BCH2_NO_SB_OPT(const struct bch_sb *); +void SET_BCH2_NO_SB_OPT(struct bch_sb *, u64); /* When can be set: */ -enum opt_mode { - OPT_FORMAT = (1 << 0), - OPT_MOUNT = (1 << 1), - OPT_RUNTIME = (1 << 2), - OPT_INODE = (1 << 3), - OPT_DEVICE = (1 << 4), +enum opt_flags { + OPT_FS = (1 << 0), /* Filesystem option */ + OPT_DEVICE = (1 << 1), /* Device option */ + OPT_INODE = (1 << 2), /* Inode option */ + OPT_FORMAT = (1 << 3), /* May be specified at format time */ + OPT_MOUNT = (1 << 4), /* May be specified at mount time */ + OPT_RUNTIME = (1 << 5), /* May be specified at runtime */ + OPT_HUMAN_READABLE = (1 << 6), + OPT_MUST_BE_POW_2 = (1 << 7), /* Must be power of 2 */ + OPT_SB_FIELD_SECTORS = (1 << 8),/* Superblock field is >> 9 of actual value */ + OPT_SB_FIELD_ILOG2 = (1 << 9), /* Superblock field is ilog2 of actual value */ }; enum opt_type { BCH_OPT_BOOL, BCH_OPT_UINT, - BCH_OPT_SECTORS, BCH_OPT_STR, BCH_OPT_FN, }; +struct bch_opt_fn { + int (*parse)(struct bch_fs *, const char *, u64 *, struct printbuf *); + void (*to_text)(struct printbuf *, struct bch_fs *, struct bch_sb *, u64); + int (*validate)(u64, struct printbuf *); +}; + /** * x(name, shortopt, type, in mem type, mode, sb_opt) * @@ -70,253 +96,375 @@ enum opt_type { */ #ifdef __KERNEL__ -#define RATELIMIT_ERRORS true +#define RATELIMIT_ERRORS_DEFAULT true #else -#define RATELIMIT_ERRORS false +#define RATELIMIT_ERRORS_DEFAULT false #endif +#ifdef CONFIG_BCACHEFS_DEBUG +#define BCACHEFS_VERBOSE_DEFAULT true +#else +#define BCACHEFS_VERBOSE_DEFAULT false +#endif + +#define BCH_FIX_ERRORS_OPTS() \ + x(exit, 0) \ + x(yes, 1) \ + x(no, 2) \ + x(ask, 3) + +enum fsck_err_opts { +#define x(t, n) FSCK_FIX_##t, + BCH_FIX_ERRORS_OPTS() +#undef x +}; + #define BCH_OPTS() \ x(block_size, u16, \ - OPT_FORMAT, \ - OPT_SECTORS(1, 128), \ + 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, u16, \ - OPT_FORMAT, \ - OPT_SECTORS(1, 128), \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_STR(bch2_error_actions), \ - BCH_SB_ERROR_ACTION, BCH_ON_ERROR_RO, \ + BCH_SB_ERROR_ACTION, BCH_ON_ERROR_ro, \ NULL, "Action to take on filesystem error") \ x(metadata_replicas, u8, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + 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_FORMAT|OPT_MOUNT, \ + 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_FORMAT|OPT_MOUNT, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_STR(bch2_csum_opts), \ - BCH_SB_META_CSUM_TYPE, BCH_CSUM_OPT_CRC32C, \ + BCH_SB_META_CSUM_TYPE, BCH_CSUM_OPT_crc32c, \ NULL, NULL) \ x(data_checksum, u8, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_STR(bch2_csum_opts), \ - BCH_SB_DATA_CSUM_TYPE, BCH_CSUM_OPT_CRC32C, \ + BCH_SB_DATA_CSUM_TYPE, BCH_CSUM_OPT_crc32c, \ NULL, NULL) \ x(compression, u8, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ - OPT_STR(bch2_compression_opts), \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ - OPT_STR(bch2_compression_opts), \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ - OPT_STR(bch2_str_hash_types), \ - BCH_SB_STR_HASH_TYPE, BCH_STR_HASH_OPT_SIPHASH, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_FN(bch2_opt_target), \ BCH_SB_FOREGROUND_TARGET, 0, \ - "(target)", "Device or disk group for foreground writes") \ + "(target)", "Device or label for foreground writes") \ x(background_target, u16, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_FN(bch2_opt_target), \ BCH_SB_BACKGROUND_TARGET, 0, \ - "(target)", "Device or disk group to move data to in the background")\ + "(target)", "Device or label to move data to in the background")\ x(promote_target, u16, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_FN(bch2_opt_target), \ BCH_SB_PROMOTE_TARGET, 0, \ - "(target)", "Device or disk group to promote data to on read")\ + "(target)", "Device or label to promote data to on read") \ x(erasure_code, u16, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME|OPT_INODE, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ OPT_BOOL(), \ - BCH_SB_INODE_32BIT, false, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ - OPT_SECTORS(0, U64_MAX), \ + 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_FORMAT|OPT_MOUNT, \ + 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_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ + 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_MOUNT|OPT_RUNTIME, \ + OPT_FS|OPT_MOUNT|OPT_RUNTIME, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, true, \ NULL, "Enable inline data extents") \ x(acl, u8, \ - OPT_FORMAT|OPT_MOUNT, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT, \ OPT_BOOL(), \ BCH_SB_POSIX_ACL, true, \ NULL, "Enable POSIX acls") \ x(usrquota, u8, \ - OPT_FORMAT|OPT_MOUNT, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT, \ OPT_BOOL(), \ BCH_SB_USRQUOTA, false, \ NULL, "Enable user quotas") \ x(grpquota, u8, \ - OPT_FORMAT|OPT_MOUNT, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT, \ OPT_BOOL(), \ BCH_SB_GRPQUOTA, false, \ NULL, "Enable group quotas") \ x(prjquota, u8, \ - OPT_FORMAT|OPT_MOUNT, \ + OPT_FS|OPT_FORMAT|OPT_MOUNT, \ OPT_BOOL(), \ BCH_SB_PRJQUOTA, false, \ NULL, "Enable project quotas") \ - x(reflink, u8, \ - OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \ - OPT_BOOL(), \ - BCH_SB_REFLINK, true, \ - NULL, "Enable reflink support") \ x(degraded, u8, \ - OPT_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT|OPT_DEVICE, \ + OPT_FS|OPT_MOUNT|OPT_DEVICE, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, true, \ NULL, "Enable discard/TRIM support") \ x(verbose, u8, \ - OPT_MOUNT, \ + OPT_FS|OPT_MOUNT|OPT_RUNTIME, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT|OPT_RUNTIME, \ + OPT_FS|OPT_MOUNT|OPT_RUNTIME, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, false, \ NULL, "Run fsck on mount") \ x(fix_errors, u8, \ - OPT_MOUNT, \ - OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, RATELIMIT_ERRORS, \ + BCH2_NO_SB_OPT, RATELIMIT_ERRORS_DEFAULT, \ NULL, "Ratelimit error messages during fsck") \ x(nochanges, u8, \ - OPT_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, false, \ NULL, "Don't replay the journal") \ x(keep_journal, u8, \ - OPT_MOUNT, \ + 0, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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), \ - NO_SB_OPT, BCH_SB_SECTOR, \ + BCH2_NO_SB_OPT, BCH_SB_SECTOR, \ "offset", "Sector offset of superblock") \ x(read_only, u8, \ - 0, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, false, \ NULL, NULL) \ x(nostart, u8, \ 0, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, false, \ NULL, "Don\'t start filesystem, only open devices") \ x(reconstruct_alloc, u8, \ - OPT_MOUNT, \ + OPT_FS|OPT_MOUNT, \ OPT_BOOL(), \ - NO_SB_OPT, false, \ + BCH2_NO_SB_OPT, false, \ NULL, "Reconstruct alloc btree") \ x(version_upgrade, u8, \ - OPT_MOUNT, \ - OPT_BOOL(), \ - NO_SB_OPT, false, \ + 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(), \ - NO_SB_OPT, false, \ + 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_SECTORS(0, S64_MAX), \ - NO_SB_OPT, 0, \ + OPT_UINT(0, S64_MAX), \ + BCH2_NO_SB_OPT, 0, \ "size", "Size of filesystem on device") \ x(bucket, u32, \ OPT_DEVICE, \ - OPT_SECTORS(0, S64_MAX), \ - NO_SB_OPT, 0, \ + 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), \ - NO_SB_OPT, 1, \ + BCH2_NO_SB_OPT, 1, \ "n", "Data written to this device will be considered\n"\ - "to have already been replicated n times") + "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") struct bch_opts { #define x(_name, _bits, ...) unsigned _name##_defined:1; @@ -328,7 +476,7 @@ struct bch_opts { #undef x }; -static const struct bch_opts bch2_opts_default = { +static const __maybe_unused struct bch_opts bch2_opts_default = { #define x(_name, _bits, _mode, _type, _sb_opt, _default, ...) \ ._name##_defined = true, \ ._name = _default, \ @@ -367,22 +515,15 @@ struct printbuf; struct bch_option { struct attribute attr; + u64 (*get_sb)(const struct bch_sb *); void (*set_sb)(struct bch_sb *, u64); - enum opt_mode mode; enum opt_type type; + enum opt_flags flags; + u64 min, max; + + const char * const *choices; - union { - struct { - u64 min, max; - }; - struct { - const char * const *choices; - }; - struct { - int (*parse)(struct bch_fs *, const char *, u64 *); - void (*to_text)(struct printbuf *, struct bch_fs *, u64); - }; - }; + struct bch_opt_fn fn; const char *hint; const char *help; @@ -395,36 +536,35 @@ bool bch2_opt_defined_by_id(const struct bch_opts *, enum bch_opt_id); u64 bch2_opt_get_by_id(const struct bch_opts *, enum bch_opt_id); void bch2_opt_set_by_id(struct bch_opts *, enum bch_opt_id, u64); -struct bch_opts bch2_opts_from_sb(struct bch_sb *); +u64 bch2_opt_from_sb(struct bch_sb *, enum bch_opt_id); +int bch2_opts_from_sb(struct bch_opts *, struct bch_sb *); +void __bch2_opt_set_sb(struct bch_sb *, const struct bch_option *, u64); +void bch2_opt_set_sb(struct bch_fs *, const struct bch_option *, u64); int bch2_opt_lookup(const char *); -int bch2_opt_parse(struct bch_fs *, const struct bch_option *, const char *, u64 *); +int bch2_opt_validate(const struct bch_option *, u64, struct printbuf *); +int bch2_opt_parse(struct bch_fs *, const struct bch_option *, + const char *, u64 *, struct printbuf *); #define OPT_SHOW_FULL_LIST (1 << 0) #define OPT_SHOW_MOUNT_STYLE (1 << 1) -void bch2_opt_to_text(struct printbuf *, struct bch_fs *, +void bch2_opt_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *, const struct bch_option *, u64, unsigned); int bch2_opt_check_may_set(struct bch_fs *, int, u64); int bch2_opts_check_may_set(struct bch_fs *); -int bch2_parse_mount_opts(struct bch_opts *, char *); +int bch2_parse_mount_opts(struct bch_fs *, struct bch_opts *, char *); /* inode opts: */ struct bch_io_opts { -#define x(_name, _bits) unsigned _name##_defined:1; - BCH_INODE_OPTS() -#undef x - #define x(_name, _bits) u##_bits _name; BCH_INODE_OPTS() #undef x }; struct bch_io_opts bch2_opts_to_inode_opts(struct bch_opts); -struct bch_opts bch2_inode_opts_to_opts(struct bch_io_opts); -void bch2_io_opts_apply(struct bch_io_opts *, struct bch_io_opts); bool bch2_opt_is_inode_opt(enum bch_opt_id); #endif /* _BCACHEFS_OPTS_H */