diff options
Diffstat (limited to 'fs/bcachefs/lru.c')
| -rw-r--r-- | fs/bcachefs/lru.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/fs/bcachefs/lru.c b/fs/bcachefs/lru.c index a40d116224ed..b12894ef44f3 100644 --- a/fs/bcachefs/lru.c +++ b/fs/bcachefs/lru.c @@ -77,6 +77,45 @@ static const char * const bch2_lru_types[] = { NULL }; +int bch2_lru_check_set(struct btree_trans *trans, + u16 lru_id, u64 time, + struct bkey_s_c referring_k, + struct bkey_buf *last_flushed) +{ + struct bch_fs *c = trans->c; + struct printbuf buf = PRINTBUF; + struct btree_iter lru_iter; + struct bkey_s_c lru_k = + bch2_bkey_get_iter(trans, &lru_iter, BTREE_ID_lru, + lru_pos(lru_id, + bucket_to_u64(referring_k.k->p), + time), 0); + int ret = bkey_err(lru_k); + if (ret) + return ret; + + if (lru_k.k->type != KEY_TYPE_set) { + ret = bch2_btree_write_buffer_maybe_flush(trans, referring_k, last_flushed); + if (ret) + goto err; + + if (fsck_err(c, alloc_key_to_missing_lru_entry, + "missing %s lru entry\n" + " %s", + bch2_lru_types[lru_type(lru_k)], + (bch2_bkey_val_to_text(&buf, c, referring_k), buf.buf))) { + ret = bch2_lru_set(trans, lru_id, bucket_to_u64(referring_k.k->p), time); + if (ret) + goto err; + } + } +err: +fsck_err: + bch2_trans_iter_exit(trans, &lru_iter); + printbuf_exit(&buf); + return ret; +} + static int bch2_check_lru_key(struct btree_trans *trans, struct btree_iter *lru_iter, struct bkey_s_c lru_k, |