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bcachefs: Fix for btree_gc repairing interior btree ptrs

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Using the normal transaction commit path to insert and journal updates
to interior nodes hadn't been done before this repair code was written,
not surprising that there was a bug.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2021-04-19 17:07:20 -04:00 committed by Kent Overstreet
parent e95d7edfb7
commit 8ce600d447
2 changed files with 13 additions and 11 deletions
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19
fs/bcachefs/btree_update_leaf.c
View File

@ -307,8 +307,7 @@ btree_key_can_insert_cached(struct btree_trans *trans,
}
static inline void do_btree_insert_one(struct btree_trans *trans,
struct btree_iter *iter,
struct bkey_i *insert)
struct btree_insert_entry *i)
{
struct bch_fs *c = trans->c;
struct journal *j = &c->journal;
@ -317,20 +316,22 @@ static inline void do_btree_insert_one(struct btree_trans *trans,
EBUG_ON(trans->journal_res.ref !=
!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY));
insert->k.needs_whiteout = false;
i->k->k.needs_whiteout = false;
did_work = (btree_iter_type(iter) != BTREE_ITER_CACHED)
? btree_insert_key_leaf(trans, iter, insert)
: bch2_btree_insert_key_cached(trans, iter, insert);
did_work = (btree_iter_type(i->iter) != BTREE_ITER_CACHED)
? btree_insert_key_leaf(trans, i->iter, i->k)
: bch2_btree_insert_key_cached(trans, i->iter, i->k);
if (!did_work)
return;
if (likely(!(trans->flags & BTREE_INSERT_JOURNAL_REPLAY))) {
bch2_journal_add_keys(j, &trans->journal_res,
iter->btree_id, insert);
i->btree_id,
i->level,
i->k);
bch2_journal_set_has_inode(j, &trans->journal_res,
insert->k.p.inode);
i->k->k.p.inode);
if (trans->journal_seq)
*trans->journal_seq = trans->journal_res.seq;
@ -468,7 +469,7 @@ bch2_trans_commit_write_locked(struct btree_trans *trans,
bch2_trans_mark_gc(trans);
trans_for_each_update2(trans, i)
do_btree_insert_one(trans, i->iter, i->k);
do_btree_insert_one(trans, i);
err:
if (marking) {
percpu_up_read(&c->mark_lock);

5
fs/bcachefs/journal.h
View File

@ -241,10 +241,11 @@ static inline void bch2_journal_add_entry(struct journal *j, struct journal_res
}
static inline void bch2_journal_add_keys(struct journal *j, struct journal_res *res,
enum btree_id id, const struct bkey_i *k)
enum btree_id id, unsigned level,
const struct bkey_i *k)
{
bch2_journal_add_entry(j, res, BCH_JSET_ENTRY_btree_keys,
id, 0, k, k->k.u64s);
id, level, k, k->k.u64s);
}
static inline bool journal_entry_empty(struct jset *j)