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-rw-r--r--libbcachefs/tier.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libbcachefs/tier.c b/libbcachefs/tier.c
index 16d32928..6bc20845 100644
--- a/libbcachefs/tier.c
+++ b/libbcachefs/tier.c
@@ -118,7 +118,8 @@ static s64 read_tiering(struct bch_fs *c, struct bch_tier *tier)
bch2_move_ctxt_init(&ctxt, &tier->pd.rate,
nr_devices * SECTORS_IN_FLIGHT_PER_DEVICE);
- bch2_btree_iter_init(&iter, c, BTREE_ID_EXTENTS, POS_MIN);
+ bch2_btree_iter_init(&iter, c, BTREE_ID_EXTENTS, POS_MIN,
+ BTREE_ITER_PREFETCH);
while (!kthread_should_stop() &&
!bch2_move_ctxt_wait(&ctxt) &&