diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2021-08-30 15:18:31 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:11 -0400 |
| commit | 67e0dd8f0d8b4bf09098c4692abcb43a20089dff (patch) | |
| tree | 8ba50f2d86b09cae23a39a02982abff3524e2f45 /fs/bcachefs/extent_update.c | |
| parent | 8f54337dc6825f323f7761c182d98efdd180ce70 (diff) | |
| download | linux-67e0dd8f0d8b4bf09098c4692abcb43a20089dff.tar.gz linux-67e0dd8f0d8b4bf09098c4692abcb43a20089dff.tar.bz2 linux-67e0dd8f0d8b4bf09098c4692abcb43a20089dff.zip | |
bcachefs: btree_path
This splits btree_iter into two components: btree_iter is now the
externally visible componont, and it points to a btree_path which is now
reference counted.
This means we no longer have to clone iterators up front if they might
be mutated - btree_path can be shared by multiple iterators, and cloned
if an iterator would mutate a shared btree_path. This will help us use
iterators more efficiently, as well as slimming down the main long lived
state in btree_trans, and significantly cleans up the logic for iterator
lifetimes.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/extent_update.c')
| -rw-r--r-- | fs/bcachefs/extent_update.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/bcachefs/extent_update.c b/fs/bcachefs/extent_update.c index 93d55f46233f..9d959b053def 100644 --- a/fs/bcachefs/extent_update.c +++ b/fs/bcachefs/extent_update.c @@ -58,7 +58,7 @@ static int count_iters_for_insert(struct btree_trans *trans, u64 idx = le64_to_cpu(p.v->idx); unsigned sectors = bpos_min(*end, p.k->p).offset - bkey_start_offset(p.k); - struct btree_iter *iter; + struct btree_iter iter; struct bkey_s_c r_k; for_each_btree_key(trans, iter, @@ -83,8 +83,8 @@ static int count_iters_for_insert(struct btree_trans *trans, break; } } + bch2_trans_iter_exit(trans, &iter); - bch2_trans_iter_put(trans, iter); break; } } @@ -99,7 +99,7 @@ int bch2_extent_atomic_end(struct btree_trans *trans, struct bkey_i *insert, struct bpos *end) { - struct btree_iter *copy; + struct btree_iter copy; struct bkey_s_c k; unsigned nr_iters = 0; int ret; @@ -118,7 +118,7 @@ int bch2_extent_atomic_end(struct btree_trans *trans, if (ret < 0) return ret; - copy = bch2_trans_copy_iter(trans, iter); + bch2_trans_copy_iter(©, iter); for_each_btree_key_continue(copy, 0, k, ret) { unsigned offset = 0; @@ -149,7 +149,7 @@ int bch2_extent_atomic_end(struct btree_trans *trans, break; } - bch2_trans_iter_put(trans, copy); + bch2_trans_iter_exit(trans, ©); return ret < 0 ? ret : 0; } |