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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-09-12 17:16:02 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:13 -0400 |
| commit | 6bd68ec266ad71827ef940151067b67b62fb8fed (patch) | |
| tree | 158da84712ff58061a2bfbbe6f0e858b58c6140d /fs/bcachefs/btree_iter.h | |
| parent | 96dea3d599dbc31f59eb786af2ac5079122beb88 (diff) | |
| download | lwn-6bd68ec266ad71827ef940151067b67b62fb8fed.tar.gz lwn-6bd68ec266ad71827ef940151067b67b62fb8fed.zip | |
bcachefs: Heap allocate btree_trans
We're using more stack than we'd like in a number of functions, and
btree_trans is the biggest object that we stack allocate.
But we have to do a heap allocatation to initialize it anyways, so
there's no real downside to heap allocating the entire thing.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_iter.h')
| -rw-r--r-- | fs/bcachefs/btree_iter.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h index 360a26b58501..fbe273453db3 100644 --- a/fs/bcachefs/btree_iter.h +++ b/fs/bcachefs/btree_iter.h @@ -915,21 +915,21 @@ void bch2_btree_path_to_text(struct printbuf *, struct btree_path *); void bch2_trans_paths_to_text(struct printbuf *, struct btree_trans *); void bch2_dump_trans_updates(struct btree_trans *); void bch2_dump_trans_paths_updates(struct btree_trans *); -void __bch2_trans_init(struct btree_trans *, struct bch_fs *, unsigned); -void bch2_trans_exit(struct btree_trans *); + +struct btree_trans *__bch2_trans_get(struct bch_fs *, unsigned); +void bch2_trans_put(struct btree_trans *); extern const char *bch2_btree_transaction_fns[BCH_TRANSACTIONS_NR]; unsigned bch2_trans_get_fn_idx(const char *); -#define bch2_trans_init(_trans, _c, _nr_iters, _mem) \ -do { \ +#define bch2_trans_get(_c) \ +({ \ static unsigned trans_fn_idx; \ \ if (unlikely(!trans_fn_idx)) \ trans_fn_idx = bch2_trans_get_fn_idx(__func__); \ - \ - __bch2_trans_init(_trans, _c, trans_fn_idx); \ -} while (0) + __bch2_trans_get(_c, trans_fn_idx); \ +}) void bch2_btree_trans_to_text(struct printbuf *, struct btree_trans *); |