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bcachefs: Fix srcu lock warning in btree_update_nodes_written()

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We don't want to be holding the srcu lock while waiting on btree write
completions - easily fixed.

Reported-by: Janpieter Sollie <janpieter.sollie@edpnet.be>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-02-19 15:40:03 -05:00
parent 4fd509c10f
commit b04974f759
1 changed files with 2 additions and 0 deletions
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2
fs/bcachefs/btree_update_interior.c
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@ -681,9 +681,11 @@ static void btree_update_nodes_written(struct btree_update *as)
b = as->old_nodes[i];
bch2_trans_begin(trans);
btree_node_lock_nopath_nofail(trans, &b->c, SIX_LOCK_read);
seq = b->data ? b->data->keys.seq : 0;
six_unlock_read(&b->c.lock);
bch2_trans_unlock_long(trans);
if (seq == as->old_nodes_seq[i])
wait_on_bit_io(&b->flags, BTREE_NODE_write_in_flight_inner,