// SPDX-License-Identifier: GPL-2.0
#include "bcachefs.h"
+#include "alloc_background.h"
#include "alloc_foreground.h"
#include "btree_io.h"
#include "btree_update_interior.h"
#include <trace/events/bcachefs.h>
-static void __journal_replay_free(struct journal_replay *i)
+static inline u32 journal_entry_radix_idx(struct bch_fs *c, u64 seq)
{
- list_del(&i->list);
+ return (seq - c->journal_entries_base_seq) & (~0U >> 1);
+}
+
+static void __journal_replay_free(struct bch_fs *c,
+ struct journal_replay *i)
+{
+ struct journal_replay **p =
+ genradix_ptr(&c->journal_entries,
+ journal_entry_radix_idx(c, le64_to_cpu(i->j.seq)));
+
+ BUG_ON(*p != i);
+ *p = NULL;
kvpfree(i, offsetof(struct journal_replay, j) +
vstruct_bytes(&i->j));
-
}
static void journal_replay_free(struct bch_fs *c, struct journal_replay *i)
i->ignore = true;
if (!c->opts.read_entire_journal)
- __journal_replay_free(i);
+ __journal_replay_free(c, i);
}
struct journal_list {
struct closure cl;
+ u64 last_seq;
struct mutex lock;
- struct list_head *head;
int ret;
};
* be replayed:
*/
static int journal_entry_add(struct bch_fs *c, struct bch_dev *ca,
- struct bch_extent_ptr entry_ptr,
+ struct journal_ptr entry_ptr,
struct journal_list *jlist, struct jset *j,
bool bad)
{
- struct journal_replay *i, *pos, *dup = NULL;
- struct bch_extent_ptr *ptr;
- struct list_head *where;
+ struct genradix_iter iter;
+ struct journal_replay **_i, *i, *dup;
+ struct journal_ptr *ptr;
size_t bytes = vstruct_bytes(j);
- u64 last_seq = 0;
+ u64 last_seq = !JSET_NO_FLUSH(j) ? le64_to_cpu(j->last_seq) : 0;
int ret = JOURNAL_ENTRY_ADD_OK;
- list_for_each_entry_reverse(i, jlist->head, list) {
- if (!JSET_NO_FLUSH(&i->j)) {
- last_seq = le64_to_cpu(i->j.last_seq);
- break;
- }
- }
-
/* Is this entry older than the range we need? */
if (!c->opts.read_entire_journal &&
- le64_to_cpu(j->seq) < last_seq) {
- ret = JOURNAL_ENTRY_ADD_OUT_OF_RANGE;
- goto out;
- }
+ le64_to_cpu(j->seq) < jlist->last_seq)
+ return JOURNAL_ENTRY_ADD_OUT_OF_RANGE;
+
+ /*
+ * genradixes are indexed by a ulong, not a u64, so we can't index them
+ * by sequence number directly: Assume instead that they will all fall
+ * within the range of +-2billion of the filrst one we find.
+ */
+ if (!c->journal_entries_base_seq)
+ c->journal_entries_base_seq = max_t(s64, 1, le64_to_cpu(j->seq) - S32_MAX);
/* Drop entries we don't need anymore */
- if (!JSET_NO_FLUSH(j)) {
- list_for_each_entry_safe(i, pos, jlist->head, list) {
- if (le64_to_cpu(i->j.seq) >= le64_to_cpu(j->last_seq))
+ if (last_seq > jlist->last_seq && !c->opts.read_entire_journal) {
+ genradix_for_each_from(&c->journal_entries, iter, _i,
+ journal_entry_radix_idx(c, jlist->last_seq)) {
+ i = *_i;
+
+ if (!i || i->ignore)
+ continue;
+
+ if (le64_to_cpu(i->j.seq) >= last_seq)
break;
journal_replay_free(c, i);
}
}
- list_for_each_entry_reverse(i, jlist->head, list) {
- if (le64_to_cpu(j->seq) > le64_to_cpu(i->j.seq)) {
- where = &i->list;
- goto add;
- }
- }
-
- where = jlist->head;
-add:
- dup = where->next != jlist->head
- ? container_of(where->next, struct journal_replay, list)
- : NULL;
+ jlist->last_seq = max(jlist->last_seq, last_seq);
- if (dup && le64_to_cpu(j->seq) != le64_to_cpu(dup->j.seq))
- dup = NULL;
+ _i = genradix_ptr_alloc(&c->journal_entries,
+ journal_entry_radix_idx(c, le64_to_cpu(j->seq)),
+ GFP_KERNEL);
+ if (!_i)
+ return -ENOMEM;
/*
* Duplicate journal entries? If so we want the one that didn't have a
* checksum error:
*/
+ dup = *_i;
if (dup) {
if (dup->bad) {
/* we'll replace @dup: */
}
i = kvpmalloc(offsetof(struct journal_replay, j) + bytes, GFP_KERNEL);
- if (!i) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!i)
+ return -ENOMEM;
i->nr_ptrs = 0;
i->bad = bad;
if (dup) {
i->nr_ptrs = dup->nr_ptrs;
memcpy(i->ptrs, dup->ptrs, sizeof(dup->ptrs));
- __journal_replay_free(dup);
+ __journal_replay_free(c, dup);
}
- list_add(&i->list, where);
+
+ *_i = i;
found:
for (ptr = i->ptrs; ptr < i->ptrs + i->nr_ptrs; ptr++) {
if (ptr->dev == ca->dev_idx) {
unsigned version, int big_endian, int write)
{
void *next = vstruct_next(entry);
- const char *invalid;
+ struct printbuf buf = PRINTBUF;
int ret = 0;
if (journal_entry_err_on(!k->k.u64s, c,
bch2_bkey_compat(level, btree_id, version, big_endian,
write, NULL, bkey_to_packed(k));
- invalid = bch2_bkey_invalid(c, bkey_i_to_s_c(k),
- __btree_node_type(level, btree_id));
- if (invalid) {
- char buf[160];
+ if (bch2_bkey_invalid(c, bkey_i_to_s_c(k),
+ __btree_node_type(level, btree_id), write, &buf)) {
+ printbuf_reset(&buf);
+ pr_buf(&buf, "invalid %s in %s entry offset %zi/%u:",
+ type, where,
+ (u64 *) k - entry->_data,
+ le16_to_cpu(entry->u64s));
+ pr_newline(&buf);
+ pr_indent_push(&buf, 2);
+
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(k));
+ pr_newline(&buf);
+ bch2_bkey_invalid(c, bkey_i_to_s_c(k),
+ __btree_node_type(level, btree_id), write, &buf);
- bch2_bkey_val_to_text(&PBUF(buf), c, bkey_i_to_s_c(k));
- mustfix_fsck_err(c, "invalid %s in %s entry offset %zi/%u: %s\n%s",
- type, where,
- (u64 *) k - entry->_data,
- le16_to_cpu(entry->u64s),
- invalid, buf);
+ mustfix_fsck_err(c, "%s", buf.buf);
le16_add_cpu(&entry->u64s, -((u16) k->k.u64s));
memmove(k, bkey_next(k), next - (void *) bkey_next(k));
journal_entry_null_range(vstruct_next(entry), next);
+
+ printbuf_exit(&buf);
return FSCK_DELETED_KEY;
}
bch2_bkey_compat(level, btree_id, version, big_endian,
write, NULL, bkey_to_packed(k));
fsck_err:
+ printbuf_exit(&buf);
return ret;
}
-static int journal_entry_validate_btree_keys(struct bch_fs *c,
+static int journal_entry_btree_keys_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return 0;
}
-static int journal_entry_validate_btree_root(struct bch_fs *c,
+static void journal_entry_btree_keys_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct bkey_i *k;
+ bool first = true;
+
+ vstruct_for_each(entry, k) {
+ if (!first) {
+ pr_newline(out);
+ pr_buf(out, "%s: ", bch2_jset_entry_types[entry->type]);
+ }
+ pr_buf(out, "btree=%s l=%u ", bch2_btree_ids[entry->btree_id], entry->level);
+ bch2_bkey_val_to_text(out, c, bkey_i_to_s_c(k));
+ first = false;
+ }
+}
+
+static int journal_entry_btree_root_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_prio_ptrs(struct bch_fs *c,
+static void journal_entry_btree_root_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ journal_entry_btree_keys_to_text(out, c, entry);
+}
+
+static int journal_entry_prio_ptrs_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return 0;
}
-static int journal_entry_validate_blacklist(struct bch_fs *c,
+static void journal_entry_prio_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+}
+
+static int journal_entry_blacklist_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_blacklist_v2(struct bch_fs *c,
+static void journal_entry_blacklist_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_blacklist *bl =
+ container_of(entry, struct jset_entry_blacklist, entry);
+
+ pr_buf(out, "seq=%llu", le64_to_cpu(bl->seq));
+}
+
+static int journal_entry_blacklist_v2_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_usage(struct bch_fs *c,
+static void journal_entry_blacklist_v2_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_blacklist_v2 *bl =
+ container_of(entry, struct jset_entry_blacklist_v2, entry);
+
+ pr_buf(out, "start=%llu end=%llu",
+ le64_to_cpu(bl->start),
+ le64_to_cpu(bl->end));
+}
+
+static int journal_entry_usage_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_data_usage(struct bch_fs *c,
+static void journal_entry_usage_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_usage *u =
+ container_of(entry, struct jset_entry_usage, entry);
+
+ pr_buf(out, "type=%s v=%llu",
+ bch2_fs_usage_types[u->entry.btree_id],
+ le64_to_cpu(u->v));
+}
+
+static int journal_entry_data_usage_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_clock(struct bch_fs *c,
+static void journal_entry_data_usage_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_data_usage *u =
+ container_of(entry, struct jset_entry_data_usage, entry);
+
+ bch2_replicas_entry_to_text(out, &u->r);
+ pr_buf(out, "=%llu", le64_to_cpu(u->v));
+}
+
+static int journal_entry_clock_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
-static int journal_entry_validate_dev_usage(struct bch_fs *c,
+static void journal_entry_clock_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_clock *clock =
+ container_of(entry, struct jset_entry_clock, entry);
+
+ pr_buf(out, "%s=%llu", clock->rw ? "write" : "read", le64_to_cpu(clock->time));
+}
+
+static int journal_entry_dev_usage_validate(struct bch_fs *c,
const char *where,
struct jset_entry *entry,
unsigned version, int big_endian, int write)
return ret;
}
+static void journal_entry_dev_usage_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_dev_usage *u =
+ container_of(entry, struct jset_entry_dev_usage, entry);
+ unsigned i, nr_types = jset_entry_dev_usage_nr_types(u);
+
+ pr_buf(out, "dev=%u", le32_to_cpu(u->dev));
+
+ for (i = 0; i < nr_types; i++) {
+ if (i < BCH_DATA_NR)
+ pr_buf(out, " %s", bch2_data_types[i]);
+ else
+ pr_buf(out, " (unknown data type %u)", i);
+ pr_buf(out, ": buckets=%llu sectors=%llu fragmented=%llu",
+ le64_to_cpu(u->d[i].buckets),
+ le64_to_cpu(u->d[i].sectors),
+ le64_to_cpu(u->d[i].fragmented));
+ }
+
+ pr_buf(out, " buckets_ec: %llu", le64_to_cpu(u->buckets_ec));
+}
+
+static int journal_entry_log_validate(struct bch_fs *c,
+ const char *where,
+ struct jset_entry *entry,
+ unsigned version, int big_endian, int write)
+{
+ return 0;
+}
+
+static void journal_entry_log_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ struct jset_entry_log *l = container_of(entry, struct jset_entry_log, entry);
+ unsigned bytes = vstruct_bytes(entry) - offsetof(struct jset_entry_log, d);
+
+ pr_buf(out, "%.*s", bytes, l->d);
+}
+
struct jset_entry_ops {
int (*validate)(struct bch_fs *, const char *,
struct jset_entry *, unsigned, int, int);
+ void (*to_text)(struct printbuf *, struct bch_fs *, struct jset_entry *);
};
static const struct jset_entry_ops bch2_jset_entry_ops[] = {
#define x(f, nr) \
[BCH_JSET_ENTRY_##f] = (struct jset_entry_ops) { \
- .validate = journal_entry_validate_##f, \
+ .validate = journal_entry_##f##_validate, \
+ .to_text = journal_entry_##f##_to_text, \
},
BCH_JSET_ENTRY_TYPES()
#undef x
: 0;
}
+void bch2_journal_entry_to_text(struct printbuf *out, struct bch_fs *c,
+ struct jset_entry *entry)
+{
+ if (entry->type < BCH_JSET_ENTRY_NR) {
+ pr_buf(out, "%s: ", bch2_jset_entry_types[entry->type]);
+ bch2_jset_entry_ops[entry->type].to_text(out, c, entry);
+ } else {
+ pr_buf(out, "(unknown type %u)", entry->type);
+ }
+}
+
static int jset_validate_entries(struct bch_fs *c, struct jset *jset,
int write)
{
sector, le64_to_cpu(jset->seq)))
ret = JOURNAL_ENTRY_BAD;
- bch2_encrypt(c, JSET_CSUM_TYPE(jset), journal_nonce(jset),
+ ret = bch2_encrypt(c, JSET_CSUM_TYPE(jset), journal_nonce(jset),
jset->encrypted_start,
vstruct_end(jset) - (void *) jset->encrypted_start);
+ bch2_fs_fatal_err_on(ret, c,
+ "error decrypting journal entry: %i", ret);
csum_done:
/* last_seq is ignored when JSET_NO_FLUSH is true */
if (journal_entry_err_on(!JSET_NO_FLUSH(jset) &&
case JOURNAL_ENTRY_NONE:
if (!saw_bad)
return 0;
- sectors = c->opts.block_size;
+ sectors = block_sectors(c);
goto next_block;
case JOURNAL_ENTRY_BAD:
saw_bad = true;
* field of the journal entry we read, so try reading
* again at next block boundary:
*/
- sectors = c->opts.block_size;
+ sectors = block_sectors(c);
break;
default:
return ret;
ja->bucket_seq[bucket] = le64_to_cpu(j->seq);
mutex_lock(&jlist->lock);
- ret = journal_entry_add(c, ca, (struct bch_extent_ptr) {
- .dev = ca->dev_idx,
- .offset = offset,
+ ret = journal_entry_add(c, ca, (struct journal_ptr) {
+ .dev = ca->dev_idx,
+ .bucket = bucket,
+ .bucket_offset = offset -
+ bucket_to_sector(ca, ja->buckets[bucket]),
+ .sector = offset,
}, jlist, j, ret != 0);
mutex_unlock(&jlist->lock);
struct journal_device *ja =
container_of(cl, struct journal_device, read);
struct bch_dev *ca = container_of(ja, struct bch_dev, journal);
+ struct bch_fs *c = ca->fs;
struct journal_list *jlist =
container_of(cl->parent, struct journal_list, cl);
+ struct journal_replay *r, **_r;
+ struct genradix_iter iter;
struct journal_read_buf buf = { NULL, 0 };
u64 min_seq = U64_MAX;
unsigned i;
- int ret;
+ int ret = 0;
if (!ja->nr)
goto out;
* allocate
*/
while (ja->bucket_seq[ja->cur_idx] > min_seq &&
- ja->bucket_seq[ja->cur_idx] >
+ ja->bucket_seq[ja->cur_idx] ==
ja->bucket_seq[(ja->cur_idx + 1) % ja->nr])
ja->cur_idx = (ja->cur_idx + 1) % ja->nr;
- ja->sectors_free = 0;
+ ja->sectors_free = ca->mi.bucket_size;
+
+ mutex_lock(&jlist->lock);
+ genradix_for_each(&c->journal_entries, iter, _r) {
+ r = *_r;
+
+ if (!r)
+ continue;
+
+ for (i = 0; i < r->nr_ptrs; i++) {
+ if (r->ptrs[i].dev == ca->dev_idx &&
+ sector_to_bucket(ca, r->ptrs[i].sector) == ja->buckets[ja->cur_idx]) {
+ unsigned wrote = bucket_remainder(ca, r->ptrs[i].sector) +
+ vstruct_sectors(&r->j, c->block_bits);
+
+ ja->sectors_free = min(ja->sectors_free,
+ ca->mi.bucket_size - wrote);
+ }
+ }
+ }
+ mutex_unlock(&jlist->lock);
+
+ if (ja->bucket_seq[ja->cur_idx] &&
+ ja->sectors_free == ca->mi.bucket_size) {
+ bch_err(c, "ja->sectors_free == ca->mi.bucket_size");
+ bch_err(c, "cur_idx %u/%u", ja->cur_idx, ja->nr);
+ for (i = 0; i < 3; i++) {
+ unsigned idx = (ja->cur_idx + ja->nr - 1 + i) % ja->nr;
+ bch_err(c, "bucket_seq[%u] = %llu", idx, ja->bucket_seq[idx]);
+ }
+ ja->sectors_free = 0;
+ }
/*
* Set dirty_idx to indicate the entire journal is full and needs to be
ja->discard_idx = ja->dirty_idx_ondisk =
ja->dirty_idx = (ja->cur_idx + 1) % ja->nr;
out:
+ bch_verbose(c, "journal read done on device %s, ret %i", ca->name, ret);
kvpfree(buf.data, buf.size);
percpu_ref_put(&ca->io_ref);
closure_return(cl);
goto out;
}
-static void bch2_journal_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
- struct journal_replay *j)
+void bch2_journal_ptrs_to_text(struct printbuf *out, struct bch_fs *c,
+ struct journal_replay *j)
{
unsigned i;
struct bch_dev *ca = bch_dev_bkey_exists(c, j->ptrs[i].dev);
u64 offset;
- div64_u64_rem(j->ptrs[i].offset, ca->mi.bucket_size, &offset);
+ div64_u64_rem(j->ptrs[i].sector, ca->mi.bucket_size, &offset);
if (i)
pr_buf(out, " ");
- pr_buf(out, "%u:%llu (offset %llu)",
+ pr_buf(out, "%u:%u:%u (sector %llu)",
j->ptrs[i].dev,
- (u64) j->ptrs[i].offset, offset);
+ j->ptrs[i].bucket,
+ j->ptrs[i].bucket_offset,
+ j->ptrs[i].sector);
}
}
-int bch2_journal_read(struct bch_fs *c, struct list_head *list,
- u64 *blacklist_seq, u64 *start_seq)
+int bch2_journal_read(struct bch_fs *c, u64 *blacklist_seq, u64 *start_seq)
{
struct journal_list jlist;
- struct journal_replay *i, *t;
+ struct journal_replay *i, **_i, *prev = NULL;
+ struct genradix_iter radix_iter;
struct bch_dev *ca;
unsigned iter;
+ struct printbuf buf = PRINTBUF;
size_t keys = 0, entries = 0;
bool degraded = false;
u64 seq, last_seq = 0;
closure_init_stack(&jlist.cl);
mutex_init(&jlist.lock);
- jlist.head = list;
+ jlist.last_seq = 0;
jlist.ret = 0;
for_each_member_device(ca, c, iter) {
- if (!test_bit(BCH_FS_REBUILD_REPLICAS, &c->flags) &&
+ if (!c->opts.fsck &&
!(bch2_dev_has_data(c, ca) & (1 << BCH_DATA_journal)))
continue;
if (jlist.ret)
return jlist.ret;
- if (list_empty(list)) {
- bch_info(c, "journal read done, but no entries found");
- return 0;
- }
-
- i = list_last_entry(list, struct journal_replay, list);
- *start_seq = le64_to_cpu(i->j.seq) + 1;
+ *start_seq = 0;
/*
* Find most recent flush entry, and ignore newer non flush entries -
* those entries will be blacklisted:
*/
- list_for_each_entry_safe_reverse(i, t, list, list) {
- if (i->ignore)
+ genradix_for_each_reverse(&c->journal_entries, radix_iter, _i) {
+ i = *_i;
+
+ if (!i || i->ignore)
continue;
+ if (!*start_seq)
+ *start_seq = le64_to_cpu(i->j.seq) + 1;
+
if (!JSET_NO_FLUSH(&i->j)) {
last_seq = le64_to_cpu(i->j.last_seq);
*blacklist_seq = le64_to_cpu(i->j.seq) + 1;
journal_replay_free(c, i);
}
+ if (!*start_seq) {
+ bch_info(c, "journal read done, but no entries found");
+ return 0;
+ }
+
if (!last_seq) {
fsck_err(c, "journal read done, but no entries found after dropping non-flushes");
- return -1;
+ ret = -1;
+ goto err;
}
/* Drop blacklisted entries and entries older than last_seq: */
- list_for_each_entry_safe(i, t, list, list) {
- if (i->ignore)
+ genradix_for_each(&c->journal_entries, radix_iter, _i) {
+ i = *_i;
+
+ if (!i || i->ignore)
continue;
seq = le64_to_cpu(i->j.seq);
/* Check for missing entries: */
seq = last_seq;
- list_for_each_entry(i, list, list) {
- if (i->ignore)
+ genradix_for_each(&c->journal_entries, radix_iter, _i) {
+ i = *_i;
+
+ if (!i || i->ignore)
continue;
BUG_ON(seq > le64_to_cpu(i->j.seq));
while (seq < le64_to_cpu(i->j.seq)) {
u64 missing_start, missing_end;
- char buf1[200], buf2[200];
+ struct printbuf buf1 = PRINTBUF, buf2 = PRINTBUF;
while (seq < le64_to_cpu(i->j.seq) &&
bch2_journal_seq_is_blacklisted(c, seq, false))
!bch2_journal_seq_is_blacklisted(c, seq, false))
seq++;
- if (i->list.prev != list) {
- struct printbuf out = PBUF(buf1);
- struct journal_replay *p = list_prev_entry(i, list);
-
- bch2_journal_ptrs_to_text(&out, c, p);
- pr_buf(&out, " size %llu", vstruct_sectors(&p->j, c->block_bits));
+ if (prev) {
+ bch2_journal_ptrs_to_text(&buf1, c, prev);
+ pr_buf(&buf1, " size %zu", vstruct_sectors(&prev->j, c->block_bits));
} else
- sprintf(buf1, "(none)");
- bch2_journal_ptrs_to_text(&PBUF(buf2), c, i);
+ pr_buf(&buf1, "(none)");
+ bch2_journal_ptrs_to_text(&buf2, c, i);
missing_end = seq - 1;
fsck_err(c, "journal entries %llu-%llu missing! (replaying %llu-%llu)\n"
" next at %s",
missing_start, missing_end,
last_seq, *blacklist_seq - 1,
- buf1, buf2);
+ buf1.buf, buf2.buf);
+
+ printbuf_exit(&buf1);
+ printbuf_exit(&buf2);
}
+ prev = i;
seq++;
}
- list_for_each_entry(i, list, list) {
+ genradix_for_each(&c->journal_entries, radix_iter, _i) {
struct jset_entry *entry;
struct bkey_i *k, *_n;
struct bch_replicas_padded replicas = {
.e.nr_required = 1,
};
unsigned ptr;
- char buf[80];
- if (i->ignore)
+ i = *_i;
+ if (!i || i->ignore)
continue;
ret = jset_validate_entries(c, &i->j, READ);
if (ret)
- goto fsck_err;
+ goto err;
for (ptr = 0; ptr < i->nr_ptrs; ptr++)
replicas.e.devs[replicas.e.nr_devs++] = i->ptrs[ptr].dev;
* the devices - this is wrong:
*/
+ printbuf_reset(&buf);
+ bch2_replicas_entry_to_text(&buf, &replicas.e);
+
if (!degraded &&
- (test_bit(BCH_FS_REBUILD_REPLICAS, &c->flags) ||
- fsck_err_on(!bch2_replicas_marked(c, &replicas.e), c,
- "superblock not marked as containing replicas %s",
- (bch2_replicas_entry_to_text(&PBUF(buf),
- &replicas.e), buf)))) {
+ fsck_err_on(!bch2_replicas_marked(c, &replicas.e), c,
+ "superblock not marked as containing replicas %s",
+ buf.buf)) {
ret = bch2_mark_replicas(c, &replicas.e);
if (ret)
- return ret;
+ goto err;
}
for_each_jset_key(k, _n, entry, &i->j)
if (*start_seq != *blacklist_seq)
bch_info(c, "dropped unflushed entries %llu-%llu",
*blacklist_seq, *start_seq - 1);
+err:
fsck_err:
+ printbuf_exit(&buf);
return ret;
}
return replicas >= c->opts.metadata_replicas_required ? 0 : -EROFS;
}
-static void journal_write_compact(struct jset *jset)
-{
- struct jset_entry *i, *next, *prev = NULL;
-
- /*
- * Simple compaction, dropping empty jset_entries (from journal
- * reservations that weren't fully used) and merging jset_entries that
- * can be.
- *
- * If we wanted to be really fancy here, we could sort all the keys in
- * the jset and drop keys that were overwritten - probably not worth it:
- */
- vstruct_for_each_safe(jset, i, next) {
- unsigned u64s = le16_to_cpu(i->u64s);
-
- /* Empty entry: */
- if (!u64s)
- continue;
-
- /* Can we merge with previous entry? */
- if (prev &&
- i->btree_id == prev->btree_id &&
- i->level == prev->level &&
- i->type == prev->type &&
- i->type == BCH_JSET_ENTRY_btree_keys &&
- le16_to_cpu(prev->u64s) + u64s <= U16_MAX) {
- memmove_u64s_down(vstruct_next(prev),
- i->_data,
- u64s);
- le16_add_cpu(&prev->u64s, u64s);
- continue;
- }
-
- /* Couldn't merge, move i into new position (after prev): */
- prev = prev ? vstruct_next(prev) : jset->start;
- if (i != prev)
- memmove_u64s_down(prev, i, jset_u64s(u64s));
- }
-
- prev = prev ? vstruct_next(prev) : jset->start;
- jset->u64s = cpu_to_le32((u64 *) prev - jset->_data);
-}
-
static void journal_buf_realloc(struct journal *j, struct journal_buf *buf)
{
/* we aren't holding j->lock: */
static inline struct journal_buf *journal_last_unwritten_buf(struct journal *j)
{
- return j->buf + j->reservations.unwritten_idx;
+ return j->buf + (journal_last_unwritten_seq(j) & JOURNAL_BUF_MASK);
}
static void journal_write_done(struct closure *cl)
u64 v, seq;
int err = 0;
- bch2_time_stats_update(j->write_time, j->write_start_time);
+ bch2_time_stats_update(!JSET_NO_FLUSH(w->data)
+ ? j->flush_write_time
+ : j->noflush_write_time, j->write_start_time);
if (!w->devs_written.nr) {
bch_err(c, "unable to write journal to sufficient devices");
if (seq >= j->pin.front)
journal_seq_pin(j, seq)->devs = w->devs_written;
- j->seq_ondisk = seq;
- if (err && (!j->err_seq || seq < j->err_seq))
+ if (!err) {
+ if (!JSET_NO_FLUSH(w->data)) {
+ j->flushed_seq_ondisk = seq;
+ j->last_seq_ondisk = w->last_seq;
+
+ bch2_do_discards(c);
+ closure_wake_up(&c->freelist_wait);
+ }
+ } else if (!j->err_seq || seq < j->err_seq)
j->err_seq = seq;
- if (!JSET_NO_FLUSH(w->data)) {
- j->flushed_seq_ondisk = seq;
- j->last_seq_ondisk = w->last_seq;
- }
+ j->seq_ondisk = seq;
/*
* Updating last_seq_ondisk may let bch2_journal_reclaim_work() discard
* Must come before signaling write completion, for
* bch2_fs_journal_stop():
*/
- journal_reclaim_kick(&c->journal);
+ if (j->watermark)
+ journal_reclaim_kick(&c->journal);
/* also must come before signalling write completion: */
closure_debug_destroy(cl);
v = atomic64_read(&j->reservations.counter);
do {
old.v = new.v = v;
- BUG_ON(new.idx == new.unwritten_idx);
+ BUG_ON(journal_state_count(new, new.unwritten_idx));
new.unwritten_idx++;
} while ((v = atomic64_cmpxchg(&j->reservations.counter,
closure_wake_up(&w->wait);
journal_wake(j);
- if (test_bit(JOURNAL_NEED_WRITE, &j->flags))
- mod_delayed_work(c->io_complete_wq, &j->write_work, 0);
- spin_unlock(&j->lock);
-
- if (new.unwritten_idx != new.idx &&
- !journal_state_count(new, new.unwritten_idx))
+ if (!journal_state_count(new, new.unwritten_idx) &&
+ journal_last_unwritten_seq(j) <= journal_cur_seq(j)) {
closure_call(&j->io, bch2_journal_write, c->io_complete_wq, NULL);
+ } else if (journal_last_unwritten_seq(j) == journal_cur_seq(j) &&
+ new.cur_entry_offset < JOURNAL_ENTRY_CLOSED_VAL) {
+ struct journal_buf *buf = journal_cur_buf(j);
+ long delta = buf->expires - jiffies;
+
+ /*
+ * We don't close a journal entry to write it while there's
+ * previous entries still in flight - the current journal entry
+ * might want to be written now:
+ */
+
+ mod_delayed_work(c->io_complete_wq, &j->write_work, max(0L, delta));
+ }
+
+ spin_unlock(&j->lock);
}
static void journal_write_endio(struct bio *bio)
struct jset_entry *start, *end;
struct jset *jset;
struct bio *bio;
- char *journal_debug_buf = NULL;
+ struct printbuf journal_debug_buf = PRINTBUF;
bool validate_before_checksum = false;
unsigned i, sectors, bytes, u64s, nr_rw_members = 0;
int ret;
j->write_start_time = local_clock();
spin_lock(&j->lock);
- if (c->sb.features & (1ULL << BCH_FEATURE_journal_no_flush) &&
- !w->must_flush &&
- (jiffies - j->last_flush_write) < msecs_to_jiffies(j->write_delay_ms) &&
- test_bit(JOURNAL_MAY_SKIP_FLUSH, &j->flags)) {
+ if (bch2_journal_error(j) ||
+ w->noflush ||
+ (!w->must_flush &&
+ (jiffies - j->last_flush_write) < msecs_to_jiffies(c->opts.journal_flush_delay) &&
+ test_bit(JOURNAL_MAY_SKIP_FLUSH, &j->flags))) {
w->noflush = true;
SET_JSET_NO_FLUSH(jset, true);
jset->last_seq = 0;
le32_add_cpu(&jset->u64s, u64s);
BUG_ON(vstruct_sectors(jset, c->block_bits) > w->sectors);
- journal_write_compact(jset);
-
jset->magic = cpu_to_le64(jset_magic(c));
- jset->version = c->sb.version < bcachefs_metadata_version_new_versioning
+ jset->version = c->sb.version < bcachefs_metadata_version_bkey_renumber
? cpu_to_le32(BCH_JSET_VERSION_OLD)
: cpu_to_le32(c->sb.version);
SET_JSET_BIG_ENDIAN(jset, CPU_BIG_ENDIAN);
SET_JSET_CSUM_TYPE(jset, bch2_meta_checksum_type(c));
- if (journal_entry_empty(jset))
+ if (!JSET_NO_FLUSH(jset) && journal_entry_empty(jset))
j->last_empty_seq = le64_to_cpu(jset->seq);
if (bch2_csum_type_is_encryption(JSET_CSUM_TYPE(jset)))
jset_validate_for_write(c, jset))
goto err;
- bch2_encrypt(c, JSET_CSUM_TYPE(jset), journal_nonce(jset),
+ ret = bch2_encrypt(c, JSET_CSUM_TYPE(jset), journal_nonce(jset),
jset->encrypted_start,
vstruct_end(jset) - (void *) jset->encrypted_start);
+ if (bch2_fs_fatal_err_on(ret, c,
+ "error decrypting journal entry: %i", ret))
+ goto err;
jset->csum = csum_vstruct(c, JSET_CSUM_TYPE(jset),
journal_nonce(jset), jset);
goto retry_alloc;
}
- if (ret) {
- journal_debug_buf = kmalloc(4096, GFP_ATOMIC);
- if (journal_debug_buf)
- __bch2_journal_debug_to_text(&_PBUF(journal_debug_buf, 4096), j);
- }
+ if (ret)
+ __bch2_journal_debug_to_text(&journal_debug_buf, j);
/*
* write is allocated, no longer need to account for it in
if (ret) {
bch_err(c, "Unable to allocate journal write:\n%s",
- journal_debug_buf);
- kfree(journal_debug_buf);
+ journal_debug_buf.buf);
+ printbuf_exit(&journal_debug_buf);
bch2_fatal_error(c);
continue_at(cl, journal_write_done, c->io_complete_wq);
return;
}
}
- bch2_bucket_seq_cleanup(c);
-
continue_at(cl, do_journal_write, c->io_complete_wq);
return;
no_io:
- bch2_bucket_seq_cleanup(c);
-
continue_at(cl, journal_write_done, c->io_complete_wq);
return;
err:
- bch2_inconsistent_error(c);
+ bch2_fatal_error(c);
continue_at(cl, journal_write_done, c->io_complete_wq);
}
projects / bcachefs-tools-debian / blobdiff