bcachefs: Fix bch2_bkey_narrow_crcs()

We have to reinitialize ptrs whenever we do something that changes them.
Regression from when the code was converted to be generic across all
keys with pointers.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 779ee42350ad9e97f5df0bd0b8e55658bb919ba2..f097bed684e5cdbdb11bffffadae47ed799e2350 100644 (file)
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -454,6 +454,8 @@ found:
        BUG_ON(n.live_size != k->k.size);
 
 restart_narrow_pointers:
+       ptrs = bch2_bkey_ptrs(bkey_i_to_s(k));
+
        bkey_for_each_ptr_decode(&k->k, ptrs, p, i)
                if (can_narrow_crc(p.crc, n)) {
                        bch2_bkey_drop_ptr(bkey_i_to_s(k), &i->ptr);