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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-11-09 21:01:52 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:08:46 +0300 |
| commit | 6a747c4683803abb01ce246ac2faf7f171cb3872 (patch) | |
| tree | 365dc5fa2987b2aa0efb61c1965c41fe4170c131 /fs/bcachefs/btree_io.c | |
| parent | 01819cfe37e864a0e7d6f208c2e5b4635c66f974 (diff) | |
| download | linux-6a747c4683803abb01ce246ac2faf7f171cb3872.tar.xz | |
bcachefs: Add accounting for dirty btree nodes/keys
This lets us improve journal reclaim, so that it now tries to make sure
no more than 3/4s of the btree node cache and btree key cache are dirty
- ensuring the shrinkers can free memory.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_io.c')
| -rw-r--r-- | fs/bcachefs/btree_io.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c index c1293709eb01..0de703c5b4b7 100644 --- a/fs/bcachefs/btree_io.c +++ b/fs/bcachefs/btree_io.c @@ -1498,6 +1498,8 @@ void __bch2_btree_node_write(struct bch_fs *c, struct btree *b, new ^= (1 << BTREE_NODE_write_idx); } while (cmpxchg_acquire(&b->flags, old, new) != old); + atomic_dec(&c->btree_cache.dirty); + BUG_ON(btree_node_fake(b)); BUG_ON((b->will_make_reachable != 0) != !b->written); |