#include "recovery.h"
#include "replicas.h"
#include "sb-clean.h"
+#include "sb-downgrade.h"
#include "snapshot.h"
#include "subvolume.h"
#include "super-io.h"
{
struct journal_keys *keys = &c->journal_keys;
DARRAY(struct journal_key *) keys_sorted = { 0 };
- struct journal_key **kp;
struct journal *j = &c->journal;
u64 start_seq = c->journal_replay_seq_start;
u64 end_seq = c->journal_replay_seq_start;
struct btree_trans *trans = bch2_trans_get(c);
- int ret;
+ int ret = 0;
if (keys->nr) {
ret = bch2_journal_log_msg(c, "Starting journal replay (%zu keys in entries %llu-%llu)",
static int journal_replay_early(struct bch_fs *c,
struct bch_sb_field_clean *clean)
{
- struct jset_entry *entry;
- int ret;
-
if (clean) {
- for (entry = clean->start;
+ for (struct jset_entry *entry = clean->start;
entry != vstruct_end(&clean->field);
entry = vstruct_next(entry)) {
- ret = journal_replay_entry_early(c, entry);
+ int ret = journal_replay_entry_early(c, entry);
if (ret)
return ret;
}
continue;
vstruct_for_each(&i->j, entry) {
- ret = journal_replay_entry_early(c, entry);
+ int ret = journal_replay_entry_early(c, entry);
if (ret)
return ret;
}
ret = bch2_btree_insert(c, BTREE_ID_snapshot_trees, &root_tree.k_i, NULL, 0) ?:
bch2_btree_insert(c, BTREE_ID_snapshots, &root_snapshot.k_i, NULL, 0) ?:
bch2_btree_insert(c, BTREE_ID_subvolumes, &root_volume.k_i, NULL, 0);
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
{
int ret = bch2_trans_do(c, NULL, NULL, BCH_TRANS_COMMIT_lazy_rw,
__bch2_fs_upgrade_for_subvolumes(trans));
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
}
const char * const bch2_recovery_passes[] = {
-#define x(_fn, _when) #_fn,
+#define x(_fn, ...) #_fn,
BCH_RECOVERY_PASSES()
#undef x
NULL
keys->gap = keys->nr;
set_bit(BCH_FS_may_go_rw, &c->flags);
- if (keys->nr || c->opts.fsck)
+
+ if (keys->nr || c->opts.fsck || !c->sb.clean)
return bch2_fs_read_write_early(c);
return 0;
}
};
static struct recovery_pass_fn recovery_pass_fns[] = {
-#define x(_fn, _when) { .fn = bch2_##_fn, .when = _when },
+#define x(_fn, _id, _when) { .fn = bch2_##_fn, .when = _when },
BCH_RECOVERY_PASSES()
#undef x
};
-static void check_version_upgrade(struct bch_fs *c)
+u64 bch2_recovery_passes_to_stable(u64 v)
+{
+ static const u8 map[] = {
+#define x(n, id, ...) [BCH_RECOVERY_PASS_##n] = BCH_RECOVERY_PASS_STABLE_##n,
+ BCH_RECOVERY_PASSES()
+#undef x
+ };
+
+ u64 ret = 0;
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
+ if (v & BIT_ULL(i))
+ ret |= BIT_ULL(map[i]);
+ return ret;
+}
+
+u64 bch2_recovery_passes_from_stable(u64 v)
+{
+ static const u8 map[] = {
+#define x(n, id, ...) [BCH_RECOVERY_PASS_STABLE_##n] = BCH_RECOVERY_PASS_##n,
+ BCH_RECOVERY_PASSES()
+#undef x
+ };
+
+ u64 ret = 0;
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++)
+ if (v & BIT_ULL(i))
+ ret |= BIT_ULL(map[i]);
+ return ret;
+}
+
+static bool check_version_upgrade(struct bch_fs *c)
{
unsigned latest_compatible = bch2_latest_compatible_version(c->sb.version);
unsigned latest_version = bcachefs_metadata_version_current;
unsigned old_version = c->sb.version_upgrade_complete ?: c->sb.version;
unsigned new_version = 0;
- u64 recovery_passes;
if (old_version < bcachefs_metadata_required_upgrade_below) {
if (c->opts.version_upgrade == BCH_VERSION_UPGRADE_incompatible ||
bch2_version_to_text(&buf, new_version);
prt_newline(&buf);
- recovery_passes = bch2_upgrade_recovery_passes(c, old_version, new_version);
- if (recovery_passes) {
- if ((recovery_passes & RECOVERY_PASS_ALL_FSCK) == RECOVERY_PASS_ALL_FSCK)
- prt_str(&buf, "fsck required");
- else {
- prt_str(&buf, "running recovery passes: ");
- prt_bitflags(&buf, bch2_recovery_passes, recovery_passes);
- }
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
+ __le64 passes = ext->recovery_passes_required[0];
+ bch2_sb_set_upgrade(c, old_version, new_version);
+ passes = ext->recovery_passes_required[0] & ~passes;
- c->recovery_passes_explicit |= recovery_passes;
- c->opts.fix_errors = FSCK_FIX_yes;
+ if (passes) {
+ prt_str(&buf, " running recovery passes: ");
+ prt_bitflags(&buf, bch2_recovery_passes,
+ bch2_recovery_passes_from_stable(le64_to_cpu(passes)));
}
bch_info(c, "%s", buf.buf);
- mutex_lock(&c->sb_lock);
bch2_sb_upgrade(c, new_version);
- mutex_unlock(&c->sb_lock);
printbuf_exit(&buf);
+ return true;
}
+
+ return false;
}
u64 bch2_fsck_recovery_passes(void)
static bool should_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
{
- struct recovery_pass_fn *p = recovery_pass_fns + c->curr_recovery_pass;
+ struct recovery_pass_fn *p = recovery_pass_fns + pass;
if (c->opts.norecovery && pass > BCH_RECOVERY_PASS_snapshots_read)
return false;
static int bch2_run_recovery_pass(struct bch_fs *c, enum bch_recovery_pass pass)
{
+ struct recovery_pass_fn *p = recovery_pass_fns + pass;
int ret;
- c->curr_recovery_pass = pass;
+ if (!(p->when & PASS_SILENT))
+ bch2_print(c, KERN_INFO bch2_log_msg(c, "%s..."),
+ bch2_recovery_passes[pass]);
+ ret = p->fn(c);
+ if (ret)
+ return ret;
+ if (!(p->when & PASS_SILENT))
+ bch2_print(c, KERN_CONT " done\n");
- if (should_run_recovery_pass(c, pass)) {
- struct recovery_pass_fn *p = recovery_pass_fns + pass;
+ return 0;
+}
- if (!(p->when & PASS_SILENT))
- bch2_print(c, KERN_INFO bch2_log_msg(c, "%s..."),
- bch2_recovery_passes[pass]);
- ret = p->fn(c);
- if (ret)
- return ret;
- if (!(p->when & PASS_SILENT))
- bch2_print(c, KERN_CONT " done\n");
+static int bch2_run_recovery_passes(struct bch_fs *c)
+{
+ int ret = 0;
+
+ while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns)) {
+ if (should_run_recovery_pass(c, c->curr_recovery_pass)) {
+ unsigned pass = c->curr_recovery_pass;
- c->recovery_passes_complete |= BIT_ULL(pass);
+ ret = bch2_run_recovery_pass(c, c->curr_recovery_pass);
+ if (bch2_err_matches(ret, BCH_ERR_restart_recovery) ||
+ (ret && c->curr_recovery_pass < pass))
+ continue;
+ if (ret)
+ break;
+
+ c->recovery_passes_complete |= BIT_ULL(c->curr_recovery_pass);
+ }
+ c->curr_recovery_pass++;
+ c->recovery_pass_done = max(c->recovery_pass_done, c->curr_recovery_pass);
}
- return 0;
+ return ret;
}
-static int bch2_run_recovery_passes(struct bch_fs *c)
+int bch2_run_online_recovery_passes(struct bch_fs *c)
{
int ret = 0;
- while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns)) {
- ret = bch2_run_recovery_pass(c, c->curr_recovery_pass);
- if (bch2_err_matches(ret, BCH_ERR_restart_recovery))
+ for (unsigned i = 0; i < ARRAY_SIZE(recovery_pass_fns); i++) {
+ struct recovery_pass_fn *p = recovery_pass_fns + i;
+
+ if (!(p->when & PASS_ONLINE))
+ continue;
+
+ ret = bch2_run_recovery_pass(c, i);
+ if (bch2_err_matches(ret, BCH_ERR_restart_recovery)) {
+ i = c->curr_recovery_pass;
continue;
+ }
if (ret)
break;
- c->curr_recovery_pass++;
}
return ret;
struct bch_sb_field_clean *clean = NULL;
struct jset *last_journal_entry = NULL;
u64 last_seq = 0, blacklist_seq, journal_seq;
- bool write_sb = false;
int ret = 0;
if (c->sb.clean) {
goto err;
}
- if (c->opts.fsck || !(c->opts.nochanges && c->opts.norecovery))
- check_version_upgrade(c);
-
if (c->opts.fsck && c->opts.norecovery) {
bch_err(c, "cannot select both norecovery and fsck");
ret = -EINVAL;
goto err;
}
+ if (!(c->opts.nochanges && c->opts.norecovery)) {
+ mutex_lock(&c->sb_lock);
+ bool write_sb = false;
+
+ struct bch_sb_field_ext *ext =
+ bch2_sb_field_get_minsize(&c->disk_sb, ext, sizeof(*ext) / sizeof(u64));
+ if (!ext) {
+ ret = -BCH_ERR_ENOSPC_sb;
+ mutex_unlock(&c->sb_lock);
+ goto err;
+ }
+
+ if (BCH_SB_HAS_TOPOLOGY_ERRORS(c->disk_sb.sb)) {
+ ext->recovery_passes_required[0] |=
+ cpu_to_le64(bch2_recovery_passes_to_stable(BIT_ULL(BCH_RECOVERY_PASS_check_topology)));
+ write_sb = true;
+ }
+
+ u64 sb_passes = bch2_recovery_passes_from_stable(le64_to_cpu(ext->recovery_passes_required[0]));
+ if (sb_passes) {
+ struct printbuf buf = PRINTBUF;
+ prt_str(&buf, "superblock requires following recovery passes to be run:\n ");
+ prt_bitflags(&buf, bch2_recovery_passes, sb_passes);
+ bch_info(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ }
+
+ if (bch2_check_version_downgrade(c)) {
+ struct printbuf buf = PRINTBUF;
+
+ prt_str(&buf, "Version downgrade required:\n");
+
+ __le64 passes = ext->recovery_passes_required[0];
+ bch2_sb_set_downgrade(c,
+ BCH_VERSION_MINOR(bcachefs_metadata_version_current),
+ BCH_VERSION_MINOR(c->sb.version));
+ passes = ext->recovery_passes_required[0] & ~passes;
+ if (passes) {
+ prt_str(&buf, " running recovery passes: ");
+ prt_bitflags(&buf, bch2_recovery_passes,
+ bch2_recovery_passes_from_stable(le64_to_cpu(passes)));
+ }
+
+ bch_info(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ write_sb = true;
+ }
+
+ if (check_version_upgrade(c))
+ write_sb = true;
+
+ if (write_sb)
+ bch2_write_super(c);
+
+ c->recovery_passes_explicit |= bch2_recovery_passes_from_stable(le64_to_cpu(ext->recovery_passes_required[0]));
+ mutex_unlock(&c->sb_lock);
+ }
+
+ if (c->opts.fsck && IS_ENABLED(CONFIG_BCACHEFS_DEBUG))
+ c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_topology);
+
+ if (c->opts.fsck)
+ set_bit(BCH_FS_fsck_running, &c->flags);
+
ret = bch2_blacklist_table_initialize(c);
if (ret) {
bch_err(c, "error initializing blacklist table");
if (ret)
goto err;
- if (c->opts.fsck &&
- (IS_ENABLED(CONFIG_BCACHEFS_DEBUG) ||
- BCH_SB_HAS_TOPOLOGY_ERRORS(c->disk_sb.sb)))
- c->recovery_passes_explicit |= BIT_ULL(BCH_RECOVERY_PASS_check_topology);
-
ret = bch2_run_recovery_passes(c);
if (ret)
goto err;
+ clear_bit(BCH_FS_fsck_running, &c->flags);
+
/* If we fixed errors, verify that fs is actually clean now: */
if (IS_ENABLED(CONFIG_BCACHEFS_DEBUG) &&
test_bit(BCH_FS_errors_fixed, &c->flags) &&
}
mutex_lock(&c->sb_lock);
- if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) != c->sb.version) {
- SET_BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb, c->sb.version);
+ bool write_sb = false;
+
+ if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) != le16_to_cpu(c->disk_sb.sb->version)) {
+ SET_BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb, le16_to_cpu(c->disk_sb.sb->version));
write_sb = true;
}
- if (!test_bit(BCH_FS_error, &c->flags)) {
+ if (!test_bit(BCH_FS_error, &c->flags) &&
+ !(c->disk_sb.sb->compat[0] & cpu_to_le64(1ULL << BCH_COMPAT_alloc_info))) {
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_alloc_info);
write_sb = true;
}
+ if (!test_bit(BCH_FS_error, &c->flags)) {
+ struct bch_sb_field_ext *ext = bch2_sb_field_get(c->disk_sb.sb, ext);
+ if (ext &&
+ (!bch2_is_zero(ext->recovery_passes_required, sizeof(ext->recovery_passes_required)) ||
+ !bch2_is_zero(ext->errors_silent, sizeof(ext->errors_silent)))) {
+ memset(ext->recovery_passes_required, 0, sizeof(ext->recovery_passes_required));
+ memset(ext->errors_silent, 0, sizeof(ext->errors_silent));
+ write_sb = true;
+ }
+ }
+
if (c->opts.fsck &&
!test_bit(BCH_FS_error, &c->flags) &&
!test_bit(BCH_FS_errors_not_fixed, &c->flags)) {
ret = 0;
out:
- set_bit(BCH_FS_fsck_done, &c->flags);
bch2_flush_fsck_errs(c);
if (!c->opts.keep_journal &&
bch2_journal_keys_put_initial(c);
kfree(clean);
- if (!ret && test_bit(BCH_FS_need_delete_dead_snapshots, &c->flags)) {
+ if (!ret &&
+ test_bit(BCH_FS_need_delete_dead_snapshots, &c->flags) &&
+ !c->opts.nochanges) {
bch2_fs_read_write_early(c);
bch2_delete_dead_snapshots_async(c);
}
- if (ret)
- bch_err_fn(c, ret);
+ bch_err_fn(c, ret);
return ret;
err:
fsck_err:
struct bch_inode_unpacked root_inode, lostfound_inode;
struct bkey_inode_buf packed_inode;
struct qstr lostfound = QSTR("lost+found");
- struct bch_dev *ca;
- unsigned i;
int ret;
bch_notice(c, "initializing new filesystem");
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_extents_above_btree_updates_done);
c->disk_sb.sb->compat[0] |= cpu_to_le64(1ULL << BCH_COMPAT_bformat_overflow_done);
- bch2_sb_maybe_downgrade(c);
+ bch2_check_version_downgrade(c);
if (c->opts.version_upgrade != BCH_VERSION_UPGRADE_none) {
bch2_sb_upgrade(c, bcachefs_metadata_version_current);
c->curr_recovery_pass = ARRAY_SIZE(recovery_pass_fns);
set_bit(BCH_FS_may_go_rw, &c->flags);
- set_bit(BCH_FS_fsck_done, &c->flags);
- for (i = 0; i < BTREE_ID_NR; i++)
+ for (unsigned i = 0; i < BTREE_ID_NR; i++)
bch2_btree_root_alloc(c, i);
- for_each_member_device(ca, c, i)
+ for_each_member_device(c, ca)
bch2_dev_usage_init(ca);
ret = bch2_fs_journal_alloc(c);
if (ret)
goto err;
- for_each_online_member(ca, c, i)
+ for_each_online_member(c, ca)
ca->new_fs_bucket_idx = 0;
ret = bch2_fs_freespace_init(c);
packed_inode.inode.k.p.snapshot = U32_MAX;
ret = bch2_btree_insert(c, BTREE_ID_inodes, &packed_inode.inode.k_i, NULL, 0);
- if (ret) {
- bch_err_msg(c, ret, "creating root directory");
+ bch_err_msg(c, ret, "creating root directory");
+ if (ret)
goto err;
- }
bch2_inode_init_early(c, &lostfound_inode);
&lostfound,
0, 0, S_IFDIR|0700, 0,
NULL, NULL, (subvol_inum) { 0 }, 0));
- if (ret) {
- bch_err_msg(c, ret, "creating lost+found");
+ bch_err_msg(c, ret, "creating lost+found");
+ if (ret)
goto err;
- }
+
+ c->recovery_pass_done = ARRAY_SIZE(recovery_pass_fns) - 1;
if (enabled_qtypes(c)) {
ret = bch2_fs_quota_read(c);
}
ret = bch2_journal_flush(&c->journal);
- if (ret) {
- bch_err_msg(c, ret, "writing first journal entry");
+ bch_err_msg(c, ret, "writing first journal entry");
+ if (ret)
goto err;
- }
mutex_lock(&c->sb_lock);
SET_BCH_SB_INITIALIZED(c->disk_sb.sb, true);
return 0;
err:
- bch_err_fn(ca, ret);
+ bch_err_fn(c, ret);
return ret;
}
projects / bcachefs-tools-debian / blobdiff