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bcachefs: Fix erasure coding shutdown path

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It's possible when shutting down to for a stripe head to have a new
stripe that doesn't yet have any blocks allocated - we just need to free
it.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-02-22 18:35:51 -05:00
parent 64784ade4f
commit e3877382fb
1 changed files with 7 additions and 1 deletions
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8
fs/bcachefs/ec.c
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@ -1764,6 +1764,7 @@ void bch2_new_stripes_to_text(struct printbuf *out, struct bch_fs *c)
void bch2_fs_ec_exit(struct bch_fs *c)
{
struct ec_stripe_head *h;
unsigned i;
while (1) {
mutex_lock(&c->ec_stripe_head_lock);
@ -1775,7 +1776,12 @@ void bch2_fs_ec_exit(struct bch_fs *c)
if (!h)
break;
BUG_ON(h->s);
if (h->s) {
for (i = 0; i < h->s->new_stripe.key.v.nr_blocks; i++)
BUG_ON(h->s->blocks[i]);
kfree(h->s);
}
kfree(h);
}