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Diffstat (limited to 'fs/bcachefs/opts.h')
-rw-r--r--fs/bcachefs/opts.h168
1 files changed, 112 insertions, 56 deletions
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index 23dda014e331..63f8e254495c 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -11,12 +11,15 @@
struct bch_fs;
extern const char * const bch2_error_actions[];
+extern const char * const bch2_degraded_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_opts[];
+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[];
@@ -27,6 +30,7 @@ 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);
@@ -48,10 +52,6 @@ static inline const char *bch2_d_type_str(unsigned d_type)
* apply the options from that struct that are defined.
*/
-/* dummy option, for options that aren't stored in the superblock */
-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_flags {
OPT_FS = BIT(0), /* Filesystem option */
@@ -130,19 +130,24 @@ enum fsck_err_opts {
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, \
+ BCH_SB_BLOCK_SIZE, 4 << 10, \
"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, \
+ BCH_SB_BTREE_NODE_SIZE, 256 << 10, \
"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_fix_safe, \
NULL, "Action to take on filesystem error") \
+ x(write_error_timeout, u16, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(1, 300), \
+ BCH_SB_WRITE_ERROR_TIMEOUT, 30, \
+ NULL, "Number of consecutive write errors allowed before kicking out a device")\
x(metadata_replicas, u8, \
OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_UINT(1, BCH_REPLICAS_MAX), \
@@ -171,14 +176,19 @@ 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(checksum_err_retry_nr, u8, \
+ OPT_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_UINT(0, 32), \
+ BCH_SB_CSUM_ERR_RETRY_NR, 3, \
+ NULL, NULL) \
x(compression, u8, \
OPT_FS|OPT_INODE|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_compression), \
@@ -195,7 +205,7 @@ enum fsck_err_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_FS|OPT_FORMAT|OPT_MOUNT|OPT_RUNTIME, \
OPT_FN(bch2_opt_target), \
BCH_SB_METADATA_TARGET, 0, \
"(target)", "Device or label for metadata writes") \
@@ -219,15 +229,25 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH_SB_ERASURE_CODE, false, \
NULL, "Enable erasure coding (DO NOT USE YET)") \
+ x(casefold, u8, \
+ OPT_FS|OPT_INODE|OPT_FORMAT, \
+ OPT_BOOL(), \
+ BCH_SB_CASEFOLD, false, \
+ NULL, "Dirent lookups are casefolded") \
+ x(casefold_disabled, u8, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, false, \
+ NULL, "Disable casefolding filesystem wide") \
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, \
@@ -293,24 +313,14 @@ enum fsck_err_opts {
NULL, "Enable project quotas") \
x(degraded, u8, \
OPT_FS|OPT_MOUNT, \
- OPT_BOOL(), \
- BCH2_NO_SB_OPT, false, \
+ OPT_STR(bch2_degraded_actions), \
+ BCH_SB_DEGRADED_ACTION, BCH_DEGRADED_ask, \
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(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(), \
- BCH2_NO_SB_OPT, true, \
- NULL, "Enable discard/TRIM support") \
x(verbose, u8, \
OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_BOOL(), \
@@ -374,6 +384,11 @@ enum fsck_err_opts {
OPT_BOOL(), \
BCH2_NO_SB_OPT, false, \
NULL, "Exit recovery immediately prior to journal replay")\
+ x(journal_rewind, u64, \
+ OPT_FS|OPT_MOUNT, \
+ OPT_UINT(0, U64_MAX), \
+ BCH2_NO_SB_OPT, 0, \
+ NULL, "Rewind journal") \
x(recovery_passes, u64, \
OPT_FS|OPT_MOUNT, \
OPT_BITFIELD(bch2_recovery_passes), \
@@ -445,7 +460,7 @@ enum fsck_err_opts {
BCH2_NO_SB_OPT, false, \
NULL, "Reconstruct alloc btree") \
x(version_upgrade, u8, \
- OPT_FS|OPT_MOUNT, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
OPT_STR(bch2_version_upgrade_opts), \
BCH_SB_VERSION_UPGRADE, BCH_VERSION_UPGRADE_compatible, \
NULL, "Set superblock to latest version,\n" \
@@ -473,45 +488,68 @@ 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(rebalance_on_ac_only, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_SB_REBALANCE_AC_ONLY, false, \
+ NULL, "Enable rebalance while on mains power only\n") \
+ x(auto_snapshot_deletion, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "Enable automatic snapshot deletion: disable for debugging, or to\n"\
+ "quiet the system when doing performance testing\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, \
+ x(state, u64, \
+ OPT_DEVICE|OPT_RUNTIME, \
+ OPT_STR(bch2_member_states), \
+ BCH_MEMBER_STATE, BCH_MEMBER_STATE_rw, \
+ "state", "rw,ro,failed,spare") \
+ x(bucket_size, u32, \
+ OPT_DEVICE|OPT_HUMAN_READABLE|OPT_SB_FIELD_SECTORS, \
OPT_UINT(0, S64_MAX), \
- BCH2_NO_SB_OPT, 0, \
- "size", "Size of filesystem on device") \
+ BCH_MEMBER_BUCKET_SIZE, 0, \
+ "size", "Specifies the bucket size; must be greater than the btree node size")\
x(durability, u8, \
- OPT_DEVICE|OPT_SB_FIELD_ONE_BIAS, \
+ OPT_DEVICE|OPT_RUNTIME|OPT_SB_FIELD_ONE_BIAS, \
OPT_UINT(0, BCH_REPLICAS_MAX), \
- BCH2_NO_SB_OPT, 1, \
+ BCH_MEMBER_DURABILITY, 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),\
+ BCH_MEMBER_DATA_ALLOWED, 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(discard, u8, \
+ OPT_MOUNT|OPT_FS|OPT_DEVICE|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH_MEMBER_DISCARD, true, \
+ NULL, "Enable discard/TRIM support") \
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 causes 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()
@@ -568,8 +606,6 @@ struct printbuf;
struct bch_option {
struct attribute attr;
- u64 (*get_sb)(const struct bch_sb *);
- void (*set_sb)(struct bch_sb *, u64);
enum opt_type type;
enum opt_flags flags;
u64 min, max;
@@ -581,6 +617,12 @@ struct bch_option {
const char *hint;
const char *help;
+ u64 (*get_sb)(const struct bch_sb *);
+ void (*set_sb)(struct bch_sb *, u64);
+
+ u64 (*get_member)(const struct bch_member *);
+ void (*set_member)(struct bch_member *, u64);
+
};
extern const struct bch_option bch2_opt_table[];
@@ -589,12 +631,12 @@ 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);
-u64 bch2_opt_from_sb(struct bch_sb *, enum bch_opt_id);
+u64 bch2_opt_from_sb(struct bch_sb *, enum bch_opt_id, int);
int bch2_opts_from_sb(struct bch_opts *, struct bch_sb *);
-void __bch2_opt_set_sb(struct bch_sb *, int, const struct bch_option *, u64);
+bool __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);
+bool 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 *);
@@ -611,12 +653,15 @@ void bch2_opts_to_text(struct printbuf *,
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_opt_hook_pre_set(struct bch_fs *, struct bch_dev *, enum bch_opt_id, u64);
+int bch2_opts_hooks_pre_set(struct bch_fs *);
+void bch2_opt_hook_post_set(struct bch_fs *, struct bch_dev *, u64,
+ struct bch_opts *, enum bch_opt_id);
+
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 *);
+ char *, bool);
/* inode opts: */
@@ -624,11 +669,22 @@ 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 v1.2.3 (git 2.39.0) at 2025-08-22 11:33:00 +0300