bcachefs: Delete time_stats for lock contended times

Since we've now got time_stats for lock hold times (per btree
transaction), we don't need this anymore.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index bca61af..c1d9622 100644 (file)
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -335,9 +335,6 @@ BCH_DEBUG_PARAMS_DEBUG()
        x(btree_interior_update_foreground)     \
        x(btree_interior_update_total)          \
        x(btree_gc)                             \
-       x(btree_lock_contended_read)            \
-       x(btree_lock_contended_intent)          \
-       x(btree_lock_contended_write)           \
        x(data_write)                           \
        x(data_read)                            \
        x(data_promote)                         \

diff --git a/fs/bcachefs/btree_locking.h b/fs/bcachefs/btree_locking.h
index 3bc5df4..1e4c81d 100644 (file)
--- a/fs/bcachefs/btree_locking.h
+++ b/fs/bcachefs/btree_locking.h
@@ -123,20 +123,6 @@ static void btree_trans_lock_hold_time_update(struct btree_trans *trans,
 #endif
 }
 
-static inline enum bch_time_stats lock_to_time_stat(enum six_lock_type type)
-{
-       switch (type) {
-       case SIX_LOCK_read:
-               return BCH_TIME_btree_lock_contended_read;
-       case SIX_LOCK_intent:
-               return BCH_TIME_btree_lock_contended_intent;
-       case SIX_LOCK_write:
-               return BCH_TIME_btree_lock_contended_write;
-       default:
-               BUG();
-       }
-}
-
 /* unlock: */
 
 static inline void btree_node_unlock(struct btree_trans *trans,
@@ -206,15 +192,11 @@ static inline int btree_node_lock_type(struct btree_trans *trans,
                                       enum six_lock_type type,
                                       six_lock_should_sleep_fn should_sleep_fn, void *p)
 {
-       struct bch_fs *c = trans->c;
-       u64 start_time;
        int ret;
 
        if (six_trylock_type(&b->lock, type))
                return 0;
 
-       start_time = local_clock();
-
        trans->locking_path_idx = path->idx;
        trans->locking_pos      = pos;
        trans->locking_btree_id = path->btree_id;
@@ -223,12 +205,7 @@ static inline int btree_node_lock_type(struct btree_trans *trans,
        trans->locking          = b;
        ret = six_lock_type(&b->lock, type, should_sleep_fn, p);
        trans->locking = NULL;
-
-       if (ret)
-               return ret;
-
-       bch2_time_stats_update(&c->times[lock_to_time_stat(type)], start_time);
-       return 0;
+       return ret;
 }
 
 /*