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authorKent Overstreet <kent.overstreet@linux.dev>2022-09-27 01:13:29 +0300
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-23 00:09:42 +0300
commit25b4b3308e3a0dd45677b6eeeea4431ee08a32c1 (patch)
tree4f82d92f05c79f93f9a5b2a133b1c584d7fecec4 /fs/bcachefs/btree_update_leaf.c
parentc23a9e088259193dc883371cf49c99fed675e951 (diff)
downloadlinux-25b4b3308e3a0dd45677b6eeeea4431ee08a32c1.tar.xz
bcachefs: Inline fast path of check_pos_snapshot_overwritten()
This moves the slowpath of check_pos_snapshot_overwritten() to a separate function, and inlines the fast path - helping performance on btrees that don't use snapshot and for users that aren't using snapshots. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/btree_update_leaf.c')
-rw-r--r--fs/bcachefs/btree_update_leaf.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/bcachefs/btree_update_leaf.c b/fs/bcachefs/btree_update_leaf.c
index ad46c887185b..31b60864b6da 100644
--- a/fs/bcachefs/btree_update_leaf.c
+++ b/fs/bcachefs/btree_update_leaf.c
@@ -1113,7 +1113,7 @@ err:
goto retry;
}
-static int check_pos_snapshot_overwritten(struct btree_trans *trans,
+static noinline int __check_pos_snapshot_overwritten(struct btree_trans *trans,
enum btree_id id,
struct bpos pos)
{
@@ -1122,12 +1122,6 @@ static int check_pos_snapshot_overwritten(struct btree_trans *trans,
struct bkey_s_c k;
int ret;
- if (!btree_type_has_snapshots(id))
- return 0;
-
- if (!snapshot_t(c, pos.snapshot)->children[0])
- return 0;
-
bch2_trans_iter_init(trans, &iter, id, pos,
BTREE_ITER_NOT_EXTENTS|
BTREE_ITER_ALL_SNAPSHOTS);
@@ -1153,6 +1147,18 @@ static int check_pos_snapshot_overwritten(struct btree_trans *trans,
return ret;
}
+static inline int check_pos_snapshot_overwritten(struct btree_trans *trans,
+ enum btree_id id,
+ struct bpos pos)
+{
+ if (!btree_type_has_snapshots(id) ||
+ pos.snapshot == U32_MAX ||
+ !snapshot_t(trans->c, pos.snapshot)->children[0])
+ return 0;
+
+ return __check_pos_snapshot_overwritten(trans, id, pos);
+}
+
static noinline int extent_front_merge(struct btree_trans *trans,
struct btree_iter *iter,
struct bkey_s_c k,