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authorKent Overstreet <kent.overstreet@linux.dev>2024-06-08 15:20:53 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2024-06-15 07:49:50 -0400
commita7d9a88f5cb151b7b9e513f5d40a949a3eda4662 (patch)
treebc7853e5308351a1694c8d236b1e81e1a9c5066e
parente00c780aebfce9d0cf8557a3dca9c1166232e46b (diff)
bcachefs: bch2_btree_key_cache_drop() now evictsbcachefs-testing
As part of improving btree key cache coherency, the bkey_cached.valid flag is going away. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
-rw-r--r--fs/bcachefs/btree_key_cache.c7
-rw-r--r--fs/bcachefs/btree_trans_commit.c11
2 files changed, 11 insertions, 7 deletions
diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c
index 8b2fd0ae6028..88ccf8dbb5a9 100644
--- a/fs/bcachefs/btree_key_cache.c
+++ b/fs/bcachefs/btree_key_cache.c
@@ -792,6 +792,7 @@ void bch2_btree_key_cache_drop(struct btree_trans *trans,
struct btree_path *path)
{
struct bch_fs *c = trans->c;
+ struct btree_key_cache *bc = &c->btree_key_cache;
struct bkey_cached *ck = (void *) path->l[0].b;
BUG_ON(!ck->valid);
@@ -806,7 +807,11 @@ void bch2_btree_key_cache_drop(struct btree_trans *trans,
bch2_journal_pin_drop(&c->journal, &ck->journal);
}
- ck->valid = false;
+ bkey_cached_evict(bc, ck);
+ bkey_cached_free_fast(bc, ck);
+
+ mark_btree_node_locked(trans, path, 0, BTREE_NODE_UNLOCKED);
+ btree_path_set_dirty(path, BTREE_ITER_NEED_TRAVERSE);
}
static unsigned long bch2_btree_key_cache_scan(struct shrinker *shrink,
diff --git a/fs/bcachefs/btree_trans_commit.c b/fs/bcachefs/btree_trans_commit.c
index 8ab85f212f60..cca336fe46e9 100644
--- a/fs/bcachefs/btree_trans_commit.c
+++ b/fs/bcachefs/btree_trans_commit.c
@@ -137,7 +137,8 @@ static inline void bch2_trans_unlock_write(struct btree_trans *trans)
{
if (likely(trans->write_locked)) {
trans_for_each_update(trans, i)
- if (!same_leaf_as_prev(trans, i))
+ if (btree_node_locked_type(trans->paths + i->path, i->level) ==
+ BTREE_NODE_WRITE_LOCKED)
bch2_btree_node_unlock_write_inlined(trans,
trans->paths + i->path, insert_l(trans, i)->b);
trans->write_locked = false;
@@ -777,14 +778,12 @@ bch2_trans_commit_write_locked(struct btree_trans *trans, unsigned flags,
trans_for_each_update(trans, i) {
struct btree_path *path = trans->paths + i->path;
- if (!i->cached) {
+ if (!i->cached)
bch2_btree_insert_key_leaf(trans, path, i->k, trans->journal_res.seq);
- } else if (!i->key_cache_already_flushed)
+ else if (!i->key_cache_already_flushed)
bch2_btree_insert_key_cached(trans, flags, i);
- else {
+ else
bch2_btree_key_cache_drop(trans, path);
- btree_path_set_dirty(path, BTREE_ITER_NEED_TRAVERSE);
- }
}
return 0;