diff options
Diffstat (limited to 'fs/bcachefs/debug.c')
| -rw-r--r-- | fs/bcachefs/debug.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/bcachefs/debug.c b/fs/bcachefs/debug.c index 79d64052215c..07c2a0f73cc2 100644 --- a/fs/bcachefs/debug.c +++ b/fs/bcachefs/debug.c @@ -584,6 +584,8 @@ static ssize_t bch2_btree_transactions_read(struct file *file, char __user *buf, i->ubuf = buf; i->size = size; i->ret = 0; + + int srcu_idx = srcu_read_lock(&c->btree_trans_barrier); restart: seqmutex_lock(&c->btree_trans_lock); list_sort(&c->btree_trans_list, list_ptr_order_cmp); @@ -597,6 +599,11 @@ restart: if (!closure_get_not_zero(&trans->ref)) continue; + if (!trans->srcu_held) { + closure_put(&trans->ref); + continue; + } + u32 seq = seqmutex_unlock(&c->btree_trans_lock); bch2_btree_trans_to_text(&i->buf, trans); @@ -618,6 +625,8 @@ restart: } seqmutex_unlock(&c->btree_trans_lock); unlocked: + srcu_read_unlock(&c->btree_trans_barrier, srcu_idx); + if (i->buf.allocation_failure) ret = -ENOMEM; |