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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-05-28 18:06:27 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:03 -0400 |
| commit | b5fd75669ab1283e7a9caf6288c425108bd382b0 (patch) | |
| tree | 65003eef4cafbff47425bc4e726c2ab895c91e9d /fs/bcachefs/btree_iter.h | |
| parent | 19c304bebda4d8815a20c8d3330459a112c329f6 (diff) | |
bcachefs: drop_locks_do()
Add a new helper for the common pattern of:
- trans_unlock()
- do something
- trans_relock()
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 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_iter.h b/fs/bcachefs/btree_iter.h index 5e5e2a5c715c..9676aa335b89 100644 --- a/fs/bcachefs/btree_iter.h +++ b/fs/bcachefs/btree_iter.h @@ -854,6 +854,11 @@ __bch2_btree_iter_peek_upto_and_restart(struct btree_trans *trans, !((_ret) = bkey_err(_k)) && (_k).k; \ bch2_btree_iter_advance(&(_iter))) +#define drop_locks_do(_trans, _do) \ +({ \ + bch2_trans_unlock(_trans); \ + _do ?: bch2_trans_relock(_trans); \ +}) /* new multiple iterator interface: */ void bch2_trans_updates_to_text(struct printbuf *, struct btree_trans *); |