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authorKent Overstreet <kent.overstreet@gmail.com>2021-07-11 13:56:18 -0400
committerKent Overstreet <kent.overstreet@gmail.com>2021-07-11 13:57:11 -0400
commit700d013b5280b72a1fb3830d8f70ecce5decb0ab (patch)
tree9b74fdad5894ac8a9af1b0a0ab9a69ed7a3e32ee /libbcachefs/btree_iter.h
parent8e6f35cbf344dbefbfe6420e06a47f64079f72ad (diff)
Update bcachefs sources to 400c2f8d96 bcachefs: Mask out unknown compat features when going read-write
Diffstat (limited to 'libbcachefs/btree_iter.h')
-rw-r--r--libbcachefs/btree_iter.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/libbcachefs/btree_iter.h b/libbcachefs/btree_iter.h
index 6efea281..31175cf0 100644
--- a/libbcachefs/btree_iter.h
+++ b/libbcachefs/btree_iter.h
@@ -319,6 +319,13 @@ static inline void set_btree_iter_dontneed(struct btree_trans *trans, struct btr
void bch2_trans_reset(struct btree_trans *, unsigned);
+/**
+ * bch2_trans_begin() - ensure lock consistency of transaction on retry
+ * @trans: transaction to prepare
+ *
+ * Ensure lock ordering is correct before potentially retrying a transaction
+ * after a failed trylock.
+ */
static inline void bch2_trans_begin(struct btree_trans *trans)
{
return bch2_trans_reset(trans, 0);