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-rw-r--r--fs/bcachefs/journal.c153
1 files changed, 79 insertions, 74 deletions
diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c
index a8b08e76d0..10b19791ec 100644
--- a/fs/bcachefs/journal.c
+++ b/fs/bcachefs/journal.c
@@ -53,29 +53,19 @@ static void bch2_journal_buf_to_text(struct printbuf *out, struct journal *j, u6
unsigned i = seq & JOURNAL_BUF_MASK;
struct journal_buf *buf = j->buf + i;
- prt_str(out, "seq:");
- prt_tab(out);
- prt_printf(out, "%llu", seq);
- prt_newline(out);
+ prt_printf(out, "seq:\t%llu\n", seq);
printbuf_indent_add(out, 2);
- prt_str(out, "refcount:");
- prt_tab(out);
- prt_printf(out, "%u", journal_state_count(s, i));
- prt_newline(out);
+ prt_printf(out, "refcount:\t%u\n", journal_state_count(s, i));
- prt_str(out, "size:");
- prt_tab(out);
+ prt_printf(out, "size:\t");
prt_human_readable_u64(out, vstruct_bytes(buf->data));
prt_newline(out);
- prt_str(out, "expires:");
- prt_tab(out);
- prt_printf(out, "%li jiffies", buf->expires - jiffies);
- prt_newline(out);
+ prt_printf(out, "expires:\t");
+ prt_printf(out, "%li jiffies\n", buf->expires - jiffies);
- prt_str(out, "flags:");
- prt_tab(out);
+ prt_printf(out, "flags:\t");
if (buf->noflush)
prt_str(out, "noflush ");
if (buf->must_flush)
@@ -87,9 +77,9 @@ static void bch2_journal_buf_to_text(struct printbuf *out, struct journal *j, u6
if (buf->write_started)
prt_str(out, "write_started ");
if (buf->write_allocated)
- prt_str(out, "write allocated ");
+ prt_str(out, "write_allocated ");
if (buf->write_done)
- prt_str(out, "write done");
+ prt_str(out, "write_done");
prt_newline(out);
printbuf_indent_sub(out, 2);
@@ -948,7 +938,8 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr,
break;
}
} else {
- ob[nr_got] = bch2_bucket_alloc(c, ca, BCH_WATERMARK_normal, cl);
+ ob[nr_got] = bch2_bucket_alloc(c, ca, BCH_WATERMARK_normal,
+ BCH_DATA_journal, cl);
ret = PTR_ERR_OR_ZERO(ob[nr_got]);
if (ret)
break;
@@ -956,7 +947,7 @@ static int __bch2_set_nr_journal_buckets(struct bch_dev *ca, unsigned nr,
ret = bch2_trans_run(c,
bch2_trans_mark_metadata_bucket(trans, ca,
ob[nr_got]->bucket, BCH_DATA_journal,
- ca->mi.bucket_size));
+ ca->mi.bucket_size, BTREE_TRIGGER_transactional));
if (ret) {
bch2_open_bucket_put(c, ob[nr_got]);
bch_err_msg(c, ret, "marking new journal buckets");
@@ -1036,7 +1027,8 @@ err_unblock:
for (i = 0; i < nr_got; i++)
bch2_trans_run(c,
bch2_trans_mark_metadata_bucket(trans, ca,
- bu[i], BCH_DATA_free, 0));
+ bu[i], BCH_DATA_free, 0,
+ BTREE_TRIGGER_transactional));
err_free:
if (!new_fs)
for (i = 0; i < nr_got; i++)
@@ -1103,7 +1095,7 @@ unlock:
return ret;
}
-int bch2_dev_journal_alloc(struct bch_dev *ca)
+int bch2_dev_journal_alloc(struct bch_dev *ca, bool new_fs)
{
unsigned nr;
int ret;
@@ -1125,7 +1117,7 @@ int bch2_dev_journal_alloc(struct bch_dev *ca)
min(1 << 13,
(1 << 24) / ca->mi.bucket_size));
- ret = __bch2_set_nr_journal_buckets(ca, nr, true, NULL);
+ ret = __bch2_set_nr_journal_buckets(ca, nr, new_fs, NULL);
err:
bch_err_fn(ca, ret);
return ret;
@@ -1137,7 +1129,7 @@ int bch2_fs_journal_alloc(struct bch_fs *c)
if (ca->journal.nr)
continue;
- int ret = bch2_dev_journal_alloc(ca);
+ int ret = bch2_dev_journal_alloc(ca, true);
if (ret) {
percpu_ref_put(&ca->io_ref);
return ret;
@@ -1175,6 +1167,9 @@ void bch2_dev_journal_stop(struct journal *j, struct bch_dev *ca)
void bch2_fs_journal_stop(struct journal *j)
{
+ if (!test_bit(JOURNAL_running, &j->flags))
+ return;
+
bch2_journal_reclaim_stop(j);
bch2_journal_flush_all_pins(j);
@@ -1187,12 +1182,16 @@ void bch2_fs_journal_stop(struct journal *j)
bch2_journal_meta(j);
journal_quiesce(j);
+ cancel_delayed_work_sync(&j->write_work);
- BUG_ON(!bch2_journal_error(j) &&
- test_bit(JOURNAL_REPLAY_DONE, &j->flags) &&
- j->last_empty_seq != journal_cur_seq(j));
+ WARN(!bch2_journal_error(j) &&
+ test_bit(JOURNAL_replay_done, &j->flags) &&
+ j->last_empty_seq != journal_cur_seq(j),
+ "journal shutdown error: cur seq %llu but last empty seq %llu",
+ journal_cur_seq(j), j->last_empty_seq);
- cancel_delayed_work_sync(&j->write_work);
+ if (!bch2_journal_error(j))
+ clear_bit(JOURNAL_running, &j->flags);
}
int bch2_fs_journal_start(struct journal *j, u64 cur_seq)
@@ -1266,7 +1265,7 @@ int bch2_fs_journal_start(struct journal *j, u64 cur_seq)
spin_lock(&j->lock);
- set_bit(JOURNAL_STARTED, &j->flags);
+ set_bit(JOURNAL_running, &j->flags);
j->last_flush_write = jiffies;
j->reservations.idx = j->reservations.unwritten_idx = journal_cur_seq(j);
@@ -1407,6 +1406,13 @@ int bch2_fs_journal_init(struct journal *j)
/* debug: */
+static const char * const bch2_journal_flags_strs[] = {
+#define x(n) #n,
+ JOURNAL_FLAGS()
+#undef x
+ NULL
+};
+
void __bch2_journal_debug_to_text(struct printbuf *out, struct journal *j)
{
struct bch_fs *c = container_of(j, struct bch_fs, journal);
@@ -1414,20 +1420,23 @@ void __bch2_journal_debug_to_text(struct printbuf *out, struct journal *j)
unsigned long now = jiffies;
u64 nr_writes = j->nr_flush_writes + j->nr_noflush_writes;
- if (!out->nr_tabstops)
- printbuf_tabstop_push(out, 24);
+ printbuf_tabstops_reset(out);
+ printbuf_tabstop_push(out, 28);
out->atomic++;
rcu_read_lock();
s = READ_ONCE(j->reservations);
+ prt_printf(out, "flags:\t");
+ prt_bitflags(out, bch2_journal_flags_strs, j->flags);
+ prt_newline(out);
prt_printf(out, "dirty journal entries:\t%llu/%llu\n", fifo_used(&j->pin), j->pin.size);
- prt_printf(out, "seq:\t\t\t%llu\n", journal_cur_seq(j));
- prt_printf(out, "seq_ondisk:\t\t%llu\n", j->seq_ondisk);
- prt_printf(out, "last_seq:\t\t%llu\n", journal_last_seq(j));
+ prt_printf(out, "seq:\t%llu\n", journal_cur_seq(j));
+ prt_printf(out, "seq_ondisk:\t%llu\n", j->seq_ondisk);
+ prt_printf(out, "last_seq:\t%llu\n", journal_last_seq(j));
prt_printf(out, "last_seq_ondisk:\t%llu\n", j->last_seq_ondisk);
prt_printf(out, "flushed_seq_ondisk:\t%llu\n", j->flushed_seq_ondisk);
- prt_printf(out, "watermark:\t\t%s\n", bch2_watermarks[j->watermark]);
+ prt_printf(out, "watermark:\t%s\n", bch2_watermarks[j->watermark]);
prt_printf(out, "each entry reserved:\t%u\n", j->entry_u64s_reserved);
prt_printf(out, "nr flush writes:\t%llu\n", j->nr_flush_writes);
prt_printf(out, "nr noflush writes:\t%llu\n", j->nr_noflush_writes);
@@ -1436,48 +1445,44 @@ void __bch2_journal_debug_to_text(struct printbuf *out, struct journal *j)
prt_newline(out);
prt_printf(out, "nr direct reclaim:\t%llu\n", j->nr_direct_reclaim);
prt_printf(out, "nr background reclaim:\t%llu\n", j->nr_background_reclaim);
- prt_printf(out, "reclaim kicked:\t\t%u\n", j->reclaim_kicked);
+ prt_printf(out, "reclaim kicked:\t%u\n", j->reclaim_kicked);
prt_printf(out, "reclaim runs in:\t%u ms\n", time_after(j->next_reclaim, now)
? jiffies_to_msecs(j->next_reclaim - jiffies) : 0);
- prt_printf(out, "blocked:\t\t%u\n", j->blocked);
+ prt_printf(out, "blocked:\t%u\n", j->blocked);
prt_printf(out, "current entry sectors:\t%u\n", j->cur_entry_sectors);
prt_printf(out, "current entry error:\t%s\n", bch2_journal_errors[j->cur_entry_error]);
- prt_printf(out, "current entry:\t\t");
+ prt_printf(out, "current entry:\t");
switch (s.cur_entry_offset) {
case JOURNAL_ENTRY_ERROR_VAL:
- prt_printf(out, "error");
+ prt_printf(out, "error\n");
break;
case JOURNAL_ENTRY_CLOSED_VAL:
- prt_printf(out, "closed");
+ prt_printf(out, "closed\n");
break;
default:
- prt_printf(out, "%u/%u", s.cur_entry_offset, j->cur_entry_u64s);
+ prt_printf(out, "%u/%u\n", s.cur_entry_offset, j->cur_entry_u64s);
break;
}
- prt_newline(out);
- prt_printf(out, "unwritten entries:");
- prt_newline(out);
+ prt_printf(out, "unwritten entries:\n");
bch2_journal_bufs_to_text(out, j);
- prt_printf(out,
- "replay done:\t\t%i\n",
- test_bit(JOURNAL_REPLAY_DONE, &j->flags));
-
prt_printf(out, "space:\n");
- prt_printf(out, "\tdiscarded\t%u:%u\n",
+ printbuf_indent_add(out, 2);
+ prt_printf(out, "discarded\t%u:%u\n",
j->space[journal_space_discarded].next_entry,
j->space[journal_space_discarded].total);
- prt_printf(out, "\tclean ondisk\t%u:%u\n",
+ prt_printf(out, "clean ondisk\t%u:%u\n",
j->space[journal_space_clean_ondisk].next_entry,
j->space[journal_space_clean_ondisk].total);
- prt_printf(out, "\tclean\t\t%u:%u\n",
+ prt_printf(out, "clean\t%u:%u\n",
j->space[journal_space_clean].next_entry,
j->space[journal_space_clean].total);
- prt_printf(out, "\ttotal\t\t%u:%u\n",
+ prt_printf(out, "total\t%u:%u\n",
j->space[journal_space_total].next_entry,
j->space[journal_space_total].total);
+ printbuf_indent_sub(out, 2);
for_each_member_device_rcu(c, ca, &c->rw_devs[BCH_DATA_journal]) {
struct journal_device *ja = &ca->journal;
@@ -1488,14 +1493,16 @@ void __bch2_journal_debug_to_text(struct printbuf *out, struct journal *j)
if (!ja->nr)
continue;
- prt_printf(out, "dev %u:\n", ca->dev_idx);
- prt_printf(out, "\tnr\t\t%u\n", ja->nr);
- prt_printf(out, "\tbucket size\t%u\n", ca->mi.bucket_size);
- prt_printf(out, "\tavailable\t%u:%u\n", bch2_journal_dev_buckets_available(j, ja, journal_space_discarded), ja->sectors_free);
- prt_printf(out, "\tdiscard_idx\t%u\n", ja->discard_idx);
- prt_printf(out, "\tdirty_ondisk\t%u (seq %llu)\n", ja->dirty_idx_ondisk, ja->bucket_seq[ja->dirty_idx_ondisk]);
- prt_printf(out, "\tdirty_idx\t%u (seq %llu)\n", ja->dirty_idx, ja->bucket_seq[ja->dirty_idx]);
- prt_printf(out, "\tcur_idx\t\t%u (seq %llu)\n", ja->cur_idx, ja->bucket_seq[ja->cur_idx]);
+ prt_printf(out, "dev %u:\n", ca->dev_idx);
+ printbuf_indent_add(out, 2);
+ prt_printf(out, "nr\t%u\n", ja->nr);
+ prt_printf(out, "bucket size\t%u\n", ca->mi.bucket_size);
+ prt_printf(out, "available\t%u:%u\n", bch2_journal_dev_buckets_available(j, ja, journal_space_discarded), ja->sectors_free);
+ prt_printf(out, "discard_idx\t%u\n", ja->discard_idx);
+ prt_printf(out, "dirty_ondisk\t%u (seq %llu)\n",ja->dirty_idx_ondisk, ja->bucket_seq[ja->dirty_idx_ondisk]);
+ prt_printf(out, "dirty_idx\t%u (seq %llu)\n", ja->dirty_idx, ja->bucket_seq[ja->dirty_idx]);
+ prt_printf(out, "cur_idx\t%u (seq %llu)\n", ja->cur_idx, ja->bucket_seq[ja->cur_idx]);
+ printbuf_indent_sub(out, 2);
}
rcu_read_unlock();
@@ -1516,6 +1523,11 @@ bool bch2_journal_seq_pins_to_text(struct printbuf *out, struct journal *j, u64
struct journal_entry_pin *pin;
spin_lock(&j->lock);
+ if (!test_bit(JOURNAL_running, &j->flags)) {
+ spin_unlock(&j->lock);
+ return true;
+ }
+
*seq = max(*seq, j->pin.front);
if (*seq >= j->pin.back) {
@@ -1527,25 +1539,18 @@ bool bch2_journal_seq_pins_to_text(struct printbuf *out, struct journal *j, u64
pin_list = journal_seq_pin(j, *seq);
- prt_printf(out, "%llu: count %u", *seq, atomic_read(&pin_list->count));
- prt_newline(out);
+ prt_printf(out, "%llu: count %u\n", *seq, atomic_read(&pin_list->count));
printbuf_indent_add(out, 2);
for (unsigned i = 0; i < ARRAY_SIZE(pin_list->list); i++)
- list_for_each_entry(pin, &pin_list->list[i], list) {
- prt_printf(out, "\t%px %ps", pin, pin->flush);
- prt_newline(out);
- }
+ list_for_each_entry(pin, &pin_list->list[i], list)
+ prt_printf(out, "\t%px %ps\n", pin, pin->flush);
- if (!list_empty(&pin_list->flushed)) {
- prt_printf(out, "flushed:");
- prt_newline(out);
- }
+ if (!list_empty(&pin_list->flushed))
+ prt_printf(out, "flushed:\n");
- list_for_each_entry(pin, &pin_list->flushed, list) {
- prt_printf(out, "\t%px %ps", pin, pin->flush);
- prt_newline(out);
- }
+ list_for_each_entry(pin, &pin_list->flushed, list)
+ prt_printf(out, "\t%px %ps\n", pin, pin->flush);
printbuf_indent_sub(out, 2);