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Diffstat (limited to 'fs/bcachefs/opts.h')
-rw-r--r--fs/bcachefs/opts.h167
1 files changed, 127 insertions, 40 deletions
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 9a4b7faa3765..9d397fc2a1f0 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -16,18 +16,23 @@ 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_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_types[];
extern const char * const bch2_str_hash_opts[];
extern const char * const __bch2_data_types[];
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[];
+void bch2_prt_jset_entry_type(struct printbuf *, enum bch_jset_entry_type);
+void bch2_prt_fs_usage_type(struct printbuf *, enum bch_fs_usage_type);
+void bch2_prt_data_type(struct printbuf *, enum bch_data_type);
+void bch2_prt_csum_opt(struct printbuf *, enum bch_csum_opt);
+void bch2_prt_csum_type(struct printbuf *, enum bch_csum_type);
+void bch2_prt_compression_type(struct printbuf *, enum bch_compression_type);
+void bch2_prt_str_hash_type(struct printbuf *, enum bch_str_hash_type);
+
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)";
@@ -51,22 +56,25 @@ void SET_BCH2_NO_SB_OPT(struct bch_sb *, u64);
/* When can be set: */
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 */
+ OPT_FS = BIT(0), /* Filesystem option */
+ OPT_DEVICE = BIT(1), /* Device option */
+ OPT_INODE = BIT(2), /* Inode option */
+ OPT_FORMAT = BIT(3), /* May be specified at format time */
+ OPT_MOUNT = BIT(4), /* May be specified at mount time */
+ OPT_RUNTIME = BIT(5), /* May be specified at runtime */
+ OPT_HUMAN_READABLE = BIT(6),
+ OPT_MUST_BE_POW_2 = BIT(7), /* Must be power of 2 */
+ OPT_SB_FIELD_SECTORS = BIT(8), /* Superblock field is >> 9 of actual value */
+ OPT_SB_FIELD_ILOG2 = BIT(9), /* Superblock field is ilog2 of actual value */
+ OPT_SB_FIELD_ONE_BIAS = BIT(10), /* 0 means default value */
+ OPT_HIDDEN = BIT(11),
};
enum opt_type {
BCH_OPT_BOOL,
BCH_OPT_UINT,
BCH_OPT_STR,
+ BCH_OPT_BITFIELD,
BCH_OPT_FN,
};
@@ -135,7 +143,7 @@ enum fsck_err_opts {
x(errors, u8, \
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_fix_safe, \
NULL, "Action to take on filesystem error") \
x(metadata_replicas, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
@@ -165,12 +173,12 @@ enum fsck_err_opts {
"size", "Maximum size of checksummed/compressed extents")\
x(metadata_checksum, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
- OPT_STR(bch2_csum_opts), \
+ 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), \
+ OPT_STR(__bch2_csum_opts), \
BCH_SB_DATA_CSUM_TYPE, BCH_CSUM_OPT_crc32c, \
NULL, NULL) \
x(compression, u8, \
@@ -214,14 +222,14 @@ enum fsck_err_opts {
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_FS|OPT_INODE|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, \
+ x(shard_inode_numbers_bits, u8, \
+ OPT_FS|OPT_FORMAT, \
+ OPT_UINT(0, 8), \
+ BCH_SB_SHARD_INUMS_NBITS, 0, \
NULL, "Shard new inode numbers by CPU id") \
x(inodes_use_key_cache, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT, \
@@ -260,6 +268,11 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH2_NO_SB_OPT, true, \
NULL, "Enable inline data extents") \
+ x(promote_whole_extents, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_PROMOTE_WHOLE_EXTENTS, true, \
+ NULL, "Promote whole extents, instead of just part being read")\
x(acl, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT, \
OPT_BOOL(), \
@@ -290,6 +303,11 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, "Allow mounting in when data will be missing") \
+ x(no_splitbrain_check, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Don't kick drives out when splitbrain detected")\
x(discard, u8, \
OPT_FS|OPT_MOUNT|OPT_DEVICE, \
OPT_BOOL(), \
@@ -332,6 +350,11 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, "Run fsck on mount") \
+ x(fsck_memory_usage_percent, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_UINT(20, 70), \
+ BCH2_NO_SB_OPT, 50, \
+ NULL, "Maximum percentage of system ram fsck is allowed to pin")\
x(fix_errors, u8, \
OPT_FS|OPT_MOUNT, \
OPT_FN(bch2_opt_fix_errors), \
@@ -352,12 +375,27 @@ enum fsck_err_opts {
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
- NULL, "Don't replay the journal") \
- x(keep_journal, u8, \
+ NULL, "Exit recovery immediately prior to journal replay")\
+ x(recovery_passes, u64, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BITFIELD(bch2_recovery_passes), \
+ BCH2_NO_SB_OPT, 0, \
+ NULL, "Recovery passes to run explicitly") \
+ x(recovery_passes_exclude, u64, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BITFIELD(bch2_recovery_passes), \
+ BCH2_NO_SB_OPT, 0, \
+ NULL, "Recovery passes to exclude") \
+ x(recovery_pass_last, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_STR_NOLIMIT(bch2_recovery_passes), \
+ BCH2_NO_SB_OPT, 0, \
+ NULL, "Exit recovery after specified pass") \
+ x(retain_recovery_info, u8, \
0, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
- NULL, "Don't free journal entries/keys after startup")\
+ NULL, "Don't free journal entries/keys, scanned btree nodes after startup")\
x(read_entire_journal, u8, \
0, \
OPT_BOOL(), \
@@ -373,6 +411,11 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH_SB_JOURNAL_TRANSACTION_NAMES, true, \
NULL, "Log transaction function names in journal") \
+ x(allocator_stuck_timeout, u16, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(0, U16_MAX), \
+ BCH_SB_ALLOCATOR_STUCK_TIMEOUT, 30, \
+ NULL, "Default timeout in seconds for stuck allocator messages")\
x(noexcl, u8, \
OPT_FS|OPT_MOUNT, \
OPT_BOOL(), \
@@ -389,7 +432,7 @@ enum fsck_err_opts {
BCH2_NO_SB_OPT, BCH_SB_SECTOR, \
"offset", "Sector offset of superblock") \
x(read_only, u8, \
- OPT_FS|OPT_MOUNT, \
+ OPT_FS|OPT_MOUNT|OPT_HIDDEN, \
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, NULL) \
@@ -409,11 +452,6 @@ enum fsck_err_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), \
@@ -437,6 +475,18 @@ enum fsck_err_opts {
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(copygc_enabled, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable copygc: disable for debugging, or to\n"\
+ "quiet the system when doing performance testing\n")\
+ x(rebalance_enabled, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable rebalance: disable for debugging, or to\n"\
+ "quiet the system when doing performance testing\n")\
x(no_data_io, u8, \
OPT_MOUNT, \
OPT_BOOL(), \
@@ -452,20 +502,30 @@ enum fsck_err_opts {
OPT_DEVICE, \
OPT_UINT(0, S64_MAX), \
BCH2_NO_SB_OPT, 0, \
- "size", "Size of filesystem on device") \
+ "size", "Specifies the bucket size; must be greater than the btree node size")\
x(durability, u8, \
- OPT_DEVICE, \
+ OPT_DEVICE|OPT_SB_FIELD_ONE_BIAS, \
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(data_allowed, u8, \
+ OPT_DEVICE, \
+ OPT_BITFIELD(__bch2_data_types), \
+ BCH2_NO_SB_OPT, BIT(BCH_DATA_journal)|BIT(BCH_DATA_btree)|BIT(BCH_DATA_user),\
+ "types", "Allowed data types for this device: journal, btree, and/or user")\
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"\
+ NULL, "BTREE_ITER_prefetch casuse btree nodes to be\n"\
" prefetched sequentially")
+#define BCH_DEV_OPT_SETTERS() \
+ x(discard, BCH_MEMBER_DISCARD) \
+ x(durability, BCH_MEMBER_DURABILITY) \
+ x(data_allowed, BCH_MEMBER_DATA_ALLOWED)
+
struct bch_opts {
#define x(_name, _bits, ...) unsigned _name##_defined:1;
BCH_OPTS()
@@ -476,6 +536,13 @@ struct bch_opts {
#undef x
};
+struct bch2_opts_parse {
+ struct bch_opts opts;
+
+ /* to save opts that can't be parsed before the FS is opened: */
+ struct printbuf parse_later;
+};
+
static const __maybe_unused struct bch_opts bch2_opts_default = {
#define x(_name, _bits, _mode, _type, _sb_opt, _default, ...) \
._name##_defined = true, \
@@ -538,8 +605,10 @@ void bch2_opt_set_by_id(struct bch_opts *, enum bch_opt_id, u64);
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);
+void __bch2_opt_set_sb(struct bch_sb *, int, const struct bch_option *, u64);
+
+struct bch_dev;
+void bch2_opt_set_sb(struct bch_fs *, struct bch_dev *, const struct bch_option *, u64);
int bch2_opt_lookup(const char *);
int bch2_opt_validate(const struct bch_option *, u64, struct printbuf *);
@@ -551,10 +620,17 @@ int bch2_opt_parse(struct bch_fs *, const struct bch_option *,
void bch2_opt_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *,
const struct bch_option *, u64, unsigned);
+void bch2_opts_to_text(struct printbuf *,
+ struct bch_opts,
+ struct bch_fs *, struct bch_sb *,
+ unsigned, unsigned, 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_fs *, struct bch_opts *, char *);
+int bch2_parse_one_mount_opt(struct bch_fs *, struct bch_opts *,
+ struct printbuf *, const char *, const char *);
+int bch2_parse_mount_opts(struct bch_fs *, struct bch_opts *, struct printbuf *,
+ char *);
/* inode opts: */
@@ -562,11 +638,22 @@ struct bch_io_opts {
#define x(_name, _bits) u##_bits _name;
BCH_INODE_OPTS()
#undef x
+#define x(_name, _bits) u64 _name##_from_inode:1;
+ BCH_INODE_OPTS()
+#undef x
};
-static inline unsigned background_compression(struct bch_io_opts opts)
+static inline void bch2_io_opts_fixups(struct bch_io_opts *opts)
{
- return opts.background_compression ?: opts.compression;
+ if (!opts->background_target)
+ opts->background_target = opts->foreground_target;
+ if (!opts->background_compression)
+ opts->background_compression = opts->compression;
+ if (opts->nocow) {
+ opts->compression = opts->background_compression = 0;
+ opts->data_checksum = 0;
+ opts->erasure_code = 0;
+ }
}
struct bch_io_opts bch2_opts_to_inode_opts(struct bch_opts);
generated by cgit (git 2.34.1) at 2025-07-25 19:42:50 +0000