diff options
Diffstat (limited to 'libbcachefs/debug.c')
| -rw-r--r-- | libbcachefs/debug.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libbcachefs/debug.c b/libbcachefs/debug.c index bff5e9b6..1d2a1615 100644 --- a/libbcachefs/debug.c +++ b/libbcachefs/debug.c @@ -724,11 +724,18 @@ static ssize_t bch2_btree_deadlock_read(struct file *file, char __user *buf, goto out; mutex_lock(&c->btree_trans_lock); - list_for_each_entry(trans, &c->btree_trans_list, list) - if (bch2_check_for_deadlock(trans, &i->buf)) { - i->iter = 1; - break; - } + list_for_each_entry(trans, &c->btree_trans_list, list) { + if (trans->locking_wait.task->pid <= i->iter) + continue; + + ret = flush_buf(i); + if (ret) + return ret; + + bch2_check_for_deadlock(trans, &i->buf); + + i->iter = trans->locking_wait.task->pid; + } mutex_unlock(&c->btree_trans_lock); out: if (i->buf.allocation_failure) |