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bcachefs: Fix kasan splat in new_stripe_alloc_buckets()

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Update for BCH_SB_MEMBER_INVALID.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-10-13 20:16:45 -04:00
parent 9f25dbe0bf
commit b1e562265e
1 changed files with 9 additions and 1 deletions
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10
fs/bcachefs/ec.c
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@ -1885,7 +1885,15 @@ static int new_stripe_alloc_buckets(struct btree_trans *trans, struct ec_stripe_
bitmap_and(devs.d, devs.d, c->rw_devs[BCH_DATA_user].d, BCH_SB_MEMBERS_MAX);
for_each_set_bit(i, h->s->blocks_gotten, v->nr_blocks) {
__clear_bit(v->ptrs[i].dev, devs.d);
/*
* Note: we don't yet repair invalid blocks (failed/removed
* devices) when reusing stripes - we still need a codepath to
* walk backpointers and update all extents that point to that
* block when updating the stripe
*/
if (v->ptrs[i].dev != BCH_SB_MEMBER_INVALID)
__clear_bit(v->ptrs[i].dev, devs.d);
if (i < h->s->nr_data)
nr_have_data++;
else