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Diffstat (limited to 'fs/bcachefs/backpointers.c')
-rw-r--r--fs/bcachefs/backpointers.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c
index 69bd6c281d1a..2b6ab5ce95f2 100644
--- a/fs/bcachefs/backpointers.c
+++ b/fs/bcachefs/backpointers.c
@@ -136,15 +136,30 @@ static noinline int backpointer_mod_err(struct btree_trans *trans,
}
int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *trans,
- struct bkey_i_backpointer *bp_k,
+ struct bpos bucket,
struct bch_backpointer bp,
struct bkey_s_c orig_k,
bool insert)
{
struct btree_iter bp_iter;
struct bkey_s_c k;
+ struct bkey_i_backpointer *bp_k;
int ret;
+ bp_k = bch2_trans_kmalloc_nomemzero(trans, sizeof(struct bkey_i_backpointer));
+ ret = PTR_ERR_OR_ZERO(bp_k);
+ if (ret)
+ return ret;
+
+ bkey_backpointer_init(&bp_k->k_i);
+ bp_k->k.p = bucket_pos_to_bp(trans->c, bucket, bp.bucket_offset);
+ bp_k->v = bp;
+
+ if (!insert) {
+ bp_k->k.type = KEY_TYPE_deleted;
+ set_bkey_val_u64s(&bp_k->k, 0);
+ }
+
k = bch2_bkey_get_iter(trans, &bp_iter, BTREE_ID_backpointers,
bp_k->k.p,
BTREE_ITER_INTENT|