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Diffstat (limited to 'fs/bcachefs/bcachefs_format.h')
-rw-r--r--fs/bcachefs/bcachefs_format.h174
1 files changed, 98 insertions, 76 deletions
diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 1ab1f08d763b..0d5ac4184fbc 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -307,6 +307,13 @@ struct bkey_i {
struct bch_val v;
};
+#define POS_KEY(_pos) \
+((struct bkey) { \
+ .u64s = BKEY_U64s, \
+ .format = KEY_FORMAT_CURRENT, \
+ .p = _pos, \
+})
+
#define KEY(_inode, _offset, _size) \
((struct bkey) { \
.u64s = BKEY_U64s, \
@@ -1207,19 +1214,21 @@ struct bch_sb_field {
};
#define BCH_SB_FIELDS() \
- x(journal, 0) \
- x(members_v1, 1) \
- x(crypt, 2) \
- x(replicas_v0, 3) \
- x(quota, 4) \
- x(disk_groups, 5) \
- x(clean, 6) \
- x(replicas, 7) \
- x(journal_seq_blacklist, 8) \
- x(journal_v2, 9) \
- x(counters, 10) \
- x(members_v2, 11) \
- x(errors, 12)
+ x(journal, 0) \
+ x(members_v1, 1) \
+ x(crypt, 2) \
+ x(replicas_v0, 3) \
+ x(quota, 4) \
+ x(disk_groups, 5) \
+ x(clean, 6) \
+ x(replicas, 7) \
+ x(journal_seq_blacklist, 8) \
+ x(journal_v2, 9) \
+ x(counters, 10) \
+ x(members_v2, 11) \
+ x(errors, 12) \
+ x(ext, 13) \
+ x(downgrade, 14)
enum bch_sb_field_type {
#define x(f, nr) BCH_SB_FIELD_##f = nr,
@@ -1294,6 +1303,7 @@ struct bch_member {
__le64 errors[BCH_MEMBER_ERROR_NR];
__le64 errors_at_reset[BCH_MEMBER_ERROR_NR];
__le64 errors_reset_time;
+ __le64 seq;
};
#define BCH_MEMBER_V1_BYTES 56
@@ -1440,7 +1450,7 @@ struct bch_sb_field_replicas_v0 {
struct bch_replicas_entry_v0 entries[];
} __packed __aligned(8);
-struct bch_replicas_entry {
+struct bch_replicas_entry_v1 {
__u8 data_type;
__u8 nr_devs;
__u8 nr_required;
@@ -1452,7 +1462,7 @@ struct bch_replicas_entry {
struct bch_sb_field_replicas {
struct bch_sb_field field;
- struct bch_replicas_entry entries[];
+ struct bch_replicas_entry_v1 entries[];
} __packed __aligned(8);
/* BCH_SB_FIELD_quota: */
@@ -1569,7 +1579,9 @@ struct bch_sb_field_disk_groups {
x(write_super, 73) \
x(trans_restart_would_deadlock_recursion_limit, 74) \
x(trans_restart_write_buffer_flush, 75) \
- x(trans_restart_split_race, 76)
+ x(trans_restart_split_race, 76) \
+ x(write_buffer_flush_slowpath, 77) \
+ x(write_buffer_flush_sync, 78)
enum bch_persistent_counters {
#define x(t, n, ...) BCH_COUNTER_##t,
@@ -1631,6 +1643,24 @@ struct bch_sb_field_errors {
LE64_BITMASK(BCH_SB_ERROR_ENTRY_ID, struct bch_sb_field_error_entry, v, 0, 16);
LE64_BITMASK(BCH_SB_ERROR_ENTRY_NR, struct bch_sb_field_error_entry, v, 16, 64);
+struct bch_sb_field_ext {
+ struct bch_sb_field field;
+ __le64 recovery_passes_required[2];
+ __le64 errors_silent[8];
+};
+
+struct bch_sb_field_downgrade_entry {
+ __le16 version;
+ __le64 recovery_passes[2];
+ __le16 nr_errors;
+ __le16 errors[] __counted_by(nr_errors);
+} __packed __aligned(2);
+
+struct bch_sb_field_downgrade {
+ struct bch_sb_field field;
+ struct bch_sb_field_downgrade_entry entries[];
+};
+
/* Superblock: */
/*
@@ -1642,64 +1672,41 @@ LE64_BITMASK(BCH_SB_ERROR_ENTRY_NR, struct bch_sb_field_error_entry, v, 16, 64);
#define BCH_VERSION_MINOR(_v) ((__u16) ((_v) & ~(~0U << 10)))
#define BCH_VERSION(_major, _minor) (((_major) << 10)|(_minor) << 0)
-#define RECOVERY_PASS_ALL_FSCK (1ULL << 63)
-
+/*
+ * field 1: version name
+ * field 2: BCH_VERSION(major, minor)
+ * field 3: recovery passess required on upgrade
+ */
#define BCH_METADATA_VERSIONS() \
- x(bkey_renumber, BCH_VERSION(0, 10), \
- RECOVERY_PASS_ALL_FSCK) \
- x(inode_btree_change, BCH_VERSION(0, 11), \
- RECOVERY_PASS_ALL_FSCK) \
- x(snapshot, BCH_VERSION(0, 12), \
- RECOVERY_PASS_ALL_FSCK) \
- x(inode_backpointers, BCH_VERSION(0, 13), \
- RECOVERY_PASS_ALL_FSCK) \
- x(btree_ptr_sectors_written, BCH_VERSION(0, 14), \
- RECOVERY_PASS_ALL_FSCK) \
- x(snapshot_2, BCH_VERSION(0, 15), \
- BIT_ULL(BCH_RECOVERY_PASS_fs_upgrade_for_subvolumes)| \
- BIT_ULL(BCH_RECOVERY_PASS_initialize_subvolumes)| \
- RECOVERY_PASS_ALL_FSCK) \
- x(reflink_p_fix, BCH_VERSION(0, 16), \
- BIT_ULL(BCH_RECOVERY_PASS_fix_reflink_p)) \
- x(subvol_dirent, BCH_VERSION(0, 17), \
- RECOVERY_PASS_ALL_FSCK) \
- x(inode_v2, BCH_VERSION(0, 18), \
- RECOVERY_PASS_ALL_FSCK) \
- x(freespace, BCH_VERSION(0, 19), \
- RECOVERY_PASS_ALL_FSCK) \
- x(alloc_v4, BCH_VERSION(0, 20), \
- RECOVERY_PASS_ALL_FSCK) \
- x(new_data_types, BCH_VERSION(0, 21), \
- RECOVERY_PASS_ALL_FSCK) \
- x(backpointers, BCH_VERSION(0, 22), \
- RECOVERY_PASS_ALL_FSCK) \
- x(inode_v3, BCH_VERSION(0, 23), \
- RECOVERY_PASS_ALL_FSCK) \
- x(unwritten_extents, BCH_VERSION(0, 24), \
- RECOVERY_PASS_ALL_FSCK) \
- x(bucket_gens, BCH_VERSION(0, 25), \
- BIT_ULL(BCH_RECOVERY_PASS_bucket_gens_init)| \
- RECOVERY_PASS_ALL_FSCK) \
- x(lru_v2, BCH_VERSION(0, 26), \
- RECOVERY_PASS_ALL_FSCK) \
- x(fragmentation_lru, BCH_VERSION(0, 27), \
- RECOVERY_PASS_ALL_FSCK) \
- x(no_bps_in_alloc_keys, BCH_VERSION(0, 28), \
- RECOVERY_PASS_ALL_FSCK) \
- x(snapshot_trees, BCH_VERSION(0, 29), \
- RECOVERY_PASS_ALL_FSCK) \
- x(major_minor, BCH_VERSION(1, 0), \
- 0) \
- x(snapshot_skiplists, BCH_VERSION(1, 1), \
- BIT_ULL(BCH_RECOVERY_PASS_check_snapshots)) \
- x(deleted_inodes, BCH_VERSION(1, 2), \
- BIT_ULL(BCH_RECOVERY_PASS_check_inodes)) \
- x(rebalance_work, BCH_VERSION(1, 3), \
- BIT_ULL(BCH_RECOVERY_PASS_set_fs_needs_rebalance))
+ x(bkey_renumber, BCH_VERSION(0, 10)) \
+ x(inode_btree_change, BCH_VERSION(0, 11)) \
+ x(snapshot, BCH_VERSION(0, 12)) \
+ x(inode_backpointers, BCH_VERSION(0, 13)) \
+ x(btree_ptr_sectors_written, BCH_VERSION(0, 14)) \
+ x(snapshot_2, BCH_VERSION(0, 15)) \
+ x(reflink_p_fix, BCH_VERSION(0, 16)) \
+ x(subvol_dirent, BCH_VERSION(0, 17)) \
+ x(inode_v2, BCH_VERSION(0, 18)) \
+ x(freespace, BCH_VERSION(0, 19)) \
+ x(alloc_v4, BCH_VERSION(0, 20)) \
+ x(new_data_types, BCH_VERSION(0, 21)) \
+ x(backpointers, BCH_VERSION(0, 22)) \
+ x(inode_v3, BCH_VERSION(0, 23)) \
+ x(unwritten_extents, BCH_VERSION(0, 24)) \
+ x(bucket_gens, BCH_VERSION(0, 25)) \
+ x(lru_v2, BCH_VERSION(0, 26)) \
+ x(fragmentation_lru, BCH_VERSION(0, 27)) \
+ x(no_bps_in_alloc_keys, BCH_VERSION(0, 28)) \
+ x(snapshot_trees, BCH_VERSION(0, 29)) \
+ x(major_minor, BCH_VERSION(1, 0)) \
+ x(snapshot_skiplists, BCH_VERSION(1, 1)) \
+ x(deleted_inodes, BCH_VERSION(1, 2)) \
+ x(rebalance_work, BCH_VERSION(1, 3)) \
+ x(member_seq, BCH_VERSION(1, 4))
enum bcachefs_metadata_version {
bcachefs_metadata_version_min = 9,
-#define x(t, n, upgrade_passes) bcachefs_metadata_version_##t = n,
+#define x(t, n) bcachefs_metadata_version_##t = n,
BCH_METADATA_VERSIONS()
#undef x
bcachefs_metadata_version_max
@@ -1761,7 +1768,8 @@ struct bch_sb {
__le32 time_base_hi;
__le32 time_precision;
- __le64 flags[8];
+ __le64 flags[7];
+ __le64 write_time;
__le64 features[2];
__le64 compat[2];
@@ -2128,7 +2136,8 @@ static inline __u64 __bset_magic(struct bch_sb *sb)
x(clock, 7) \
x(dev_usage, 8) \
x(log, 9) \
- x(overwrite, 10)
+ x(overwrite, 10) \
+ x(write_buffer_keys, 11)
enum {
#define x(f, nr) BCH_JSET_ENTRY_##f = nr,
@@ -2137,6 +2146,19 @@ enum {
BCH_JSET_ENTRY_NR
};
+static inline bool jset_entry_is_key(struct jset_entry *e)
+{
+ switch (e->type) {
+ case BCH_JSET_ENTRY_btree_keys:
+ case BCH_JSET_ENTRY_btree_root:
+ case BCH_JSET_ENTRY_overwrite:
+ case BCH_JSET_ENTRY_write_buffer_keys:
+ return true;
+ }
+
+ return false;
+}
+
/*
* Journal sequence numbers can be blacklisted: bsets record the max sequence
* number of all the journal entries they contain updates for, so that on
@@ -2178,7 +2200,7 @@ struct jset_entry_usage {
struct jset_entry_data_usage {
struct jset_entry entry;
__le64 v;
- struct bch_replicas_entry r;
+ struct bch_replicas_entry_v1 r;
} __packed;
struct jset_entry_clock {
@@ -2199,8 +2221,8 @@ struct jset_entry_dev_usage {
__le32 dev;
__u32 pad;
- __le64 buckets_ec;
- __le64 _buckets_unavailable; /* No longer used */
+ __le64 _buckets_ec; /* No longer used */
+ __le64 _buckets_unavailable; /* No longer used */
struct jset_entry_dev_usage_type d[];
};
@@ -2214,7 +2236,7 @@ static inline unsigned jset_entry_dev_usage_nr_types(struct jset_entry_dev_usage
struct jset_entry_log {
struct jset_entry entry;
u8 d[];
-} __packed;
+} __packed __aligned(8);
/*
* On disk format for a journal entry:
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