diff options
Diffstat (limited to 'fs/bcachefs/recovery_passes_format.h')
| -rw-r--r-- | fs/bcachefs/recovery_passes_format.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/fs/bcachefs/recovery_passes_format.h b/fs/bcachefs/recovery_passes_format.h new file mode 100644 index 000000000000..c434eafbca19 --- /dev/null +++ b/fs/bcachefs/recovery_passes_format.h @@ -0,0 +1,104 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_RECOVERY_PASSES_FORMAT_H +#define _BCACHEFS_RECOVERY_PASSES_FORMAT_H + +#define PASS_SILENT BIT(0) +#define PASS_FSCK BIT(1) +#define PASS_UNCLEAN BIT(2) +#define PASS_ALWAYS BIT(3) +#define PASS_ONLINE BIT(4) +#define PASS_ALLOC BIT(5) +#define PASS_FSCK_ALLOC (PASS_FSCK|PASS_ALLOC) + +#ifdef CONFIG_BCACHEFS_DEBUG +#define PASS_FSCK_DEBUG BIT(1) +#else +#define PASS_FSCK_DEBUG 0 +#endif + +/* + * Passes may be reordered, but the second field is a persistent identifier and + * must never change: + */ +#define BCH_RECOVERY_PASSES() \ + x(recovery_pass_empty, 41, PASS_SILENT) \ + x(scan_for_btree_nodes, 37, 0) \ + x(check_topology, 4, 0) \ + x(accounting_read, 39, PASS_ALWAYS) \ + x(alloc_read, 0, PASS_ALWAYS) \ + x(stripes_read, 1, 0) \ + x(initialize_subvolumes, 2, 0) \ + x(snapshots_read, 3, PASS_ALWAYS) \ + x(check_allocations, 5, PASS_FSCK_ALLOC) \ + x(trans_mark_dev_sbs, 6, PASS_ALWAYS|PASS_SILENT|PASS_ALLOC) \ + x(fs_journal_alloc, 7, PASS_ALWAYS|PASS_SILENT|PASS_ALLOC) \ + x(set_may_go_rw, 8, PASS_ALWAYS|PASS_SILENT) \ + x(journal_replay, 9, PASS_ALWAYS) \ + x(check_alloc_info, 10, PASS_ONLINE|PASS_FSCK_ALLOC) \ + x(check_lrus, 11, PASS_ONLINE|PASS_FSCK_ALLOC) \ + x(check_btree_backpointers, 12, PASS_ONLINE|PASS_FSCK_ALLOC) \ + x(check_backpointers_to_extents, 13, PASS_ONLINE|PASS_FSCK_DEBUG) \ + x(check_extents_to_backpointers, 14, PASS_ONLINE|PASS_FSCK_ALLOC) \ + x(check_alloc_to_lru_refs, 15, PASS_ONLINE|PASS_FSCK_ALLOC) \ + x(fs_freespace_init, 16, PASS_ALWAYS|PASS_SILENT) \ + x(bucket_gens_init, 17, 0) \ + x(reconstruct_snapshots, 38, 0) \ + x(check_snapshot_trees, 18, PASS_ONLINE|PASS_FSCK) \ + x(check_snapshots, 19, PASS_ONLINE|PASS_FSCK) \ + x(check_subvols, 20, PASS_ONLINE|PASS_FSCK) \ + x(check_subvol_children, 35, PASS_ONLINE|PASS_FSCK) \ + x(delete_dead_snapshots, 21, PASS_ONLINE|PASS_FSCK) \ + x(fs_upgrade_for_subvolumes, 22, 0) \ + x(check_inodes, 24, PASS_FSCK) \ + x(check_extents, 25, PASS_FSCK) \ + x(check_indirect_extents, 26, PASS_ONLINE|PASS_FSCK) \ + x(check_dirents, 27, PASS_FSCK) \ + x(check_xattrs, 28, PASS_FSCK) \ + x(check_root, 29, PASS_ONLINE|PASS_FSCK) \ + x(check_unreachable_inodes, 40, PASS_FSCK) \ + x(check_subvolume_structure, 36, PASS_ONLINE|PASS_FSCK) \ + x(check_directory_structure, 30, PASS_ONLINE|PASS_FSCK) \ + x(check_nlinks, 31, PASS_FSCK) \ + x(check_rebalance_work, 43, PASS_ONLINE|PASS_FSCK) \ + x(resume_logged_ops, 23, PASS_ALWAYS) \ + x(delete_dead_inodes, 32, PASS_ALWAYS) \ + x(fix_reflink_p, 33, 0) \ + x(set_fs_needs_rebalance, 34, 0) \ + x(lookup_root_inode, 42, PASS_ALWAYS|PASS_SILENT) + +/* We normally enumerate recovery passes in the order we run them: */ +enum bch_recovery_pass { +#define x(n, id, when) BCH_RECOVERY_PASS_##n, + BCH_RECOVERY_PASSES() +#undef x + BCH_RECOVERY_PASS_NR +}; + +/* But we also need stable identifiers that can be used in the superblock */ +enum bch_recovery_pass_stable { +#define x(n, id, when) BCH_RECOVERY_PASS_STABLE_##n = id, + BCH_RECOVERY_PASSES() +#undef x +}; + +struct recovery_pass_entry { + __le64 last_run; + __le32 last_runtime; + __le32 flags; +}; + +struct bch_sb_field_recovery_passes { + struct bch_sb_field field; + struct recovery_pass_entry start[]; +}; + +static inline unsigned +recovery_passes_nr_entries(struct bch_sb_field_recovery_passes *r) +{ + return r + ? ((vstruct_end(&r->field) - (void *) &r->start[0]) / + sizeof(struct recovery_pass_entry)) + : 0; +} + +#endif /* _BCACHEFS_RECOVERY_PASSES_FORMAT_H */ |