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Diffstat (limited to 'libbcachefs/journal_io.c')
-rw-r--r--libbcachefs/journal_io.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/libbcachefs/journal_io.c b/libbcachefs/journal_io.c
index cdcb1ad4..5fda9a93 100644
--- a/libbcachefs/journal_io.c
+++ b/libbcachefs/journal_io.c
@@ -1583,7 +1583,7 @@ static CLOSURE_CALLBACK(journal_write_done)
struct bch_fs *c = container_of(j, struct bch_fs, journal);
struct bch_replicas_padded replicas;
union journal_res_state old, new;
- u64 v, seq = le64_to_cpu(w->data->seq);
+ u64 seq = le64_to_cpu(w->data->seq);
int err = 0;
bch2_time_stats_update(!JSET_NO_FLUSH(w->data)
@@ -1642,14 +1642,15 @@ static CLOSURE_CALLBACK(journal_write_done)
if (j->watermark != BCH_WATERMARK_stripe)
journal_reclaim_kick(&c->journal);
- v = atomic64_read(&j->reservations.counter);
+ old.v = atomic64_read(&j->reservations.counter);
do {
- old.v = new.v = v;
+ new.v = old.v;
BUG_ON(journal_state_count(new, new.unwritten_idx));
BUG_ON(new.unwritten_idx != (seq & JOURNAL_BUF_MASK));
new.unwritten_idx++;
- } while ((v = atomic64_cmpxchg(&j->reservations.counter, old.v, new.v)) != old.v);
+ } while (!atomic64_try_cmpxchg(&j->reservations.counter,
+ &old.v, new.v));
closure_wake_up(&w->wait);
completed = true;
@@ -1847,8 +1848,14 @@ static int bch2_journal_write_prep(struct journal *j, struct journal_buf *w)
}
}
- if (wb.wb)
- bch2_journal_keys_to_write_buffer_end(c, &wb);
+ if (wb.wb) {
+ ret = bch2_journal_keys_to_write_buffer_end(c, &wb);
+ if (ret) {
+ bch2_fs_fatal_error(c, "error flushing journal keys to btree write buffer: %s",
+ bch2_err_str(ret));
+ return ret;
+ }
+ }
spin_lock(&c->journal.lock);
w->need_flush_to_write_buffer = false;