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bcachefs: Fix an iterator counting bug

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The iterator counting assumed we're doing an obvious optimization when
only updating the refcount on indirect extents - but we're not doing it
yet.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-10-16 13:48:12 -04:00 committed by Kent Overstreet
parent ae93a62895
commit 71603f1ffe
1 changed files with 1 additions and 14 deletions
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15
fs/bcachefs/extents.c
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@ -971,20 +971,7 @@ static int count_iters_for_insert(struct btree_trans *trans,
POS(0, idx + sectors)) >= 0)
break;
*nr_iters += 1;
if (overwrite &&
r_k.k->type == KEY_TYPE_reflink_v) {
struct bkey_s_c_reflink_v r = bkey_s_c_to_reflink_v(r_k);
if (le64_to_cpu(r.v->refcount) == 1)
*nr_iters += bch2_bkey_nr_alloc_ptrs(r_k);
}
/*
* if we're going to be deleting an entry from
* the reflink btree, need more iters...
*/
*nr_iters += 1 + bch2_bkey_nr_alloc_ptrs(r_k);
if (*nr_iters >= max_iters) {
struct bpos pos = bkey_start_pos(k.k);