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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-11-26 22:33:04 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-11-27 21:04:03 -0500 |
| commit | 97c86db4f286fef4c7c18b5b96940e64c97e31b4 (patch) | |
| tree | 6f8f0dfd31a6f0a4f23e23b76552575bf1b0f532 /libbcachefs/backpointers.c | |
| parent | 7465d1934c0c1538b0be0ec348364a95e948a651 (diff) | |
Update bcachefs sources to feaca6edbd24 mean and variance: Promote to lib/math
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'libbcachefs/backpointers.c')
| -rw-r--r-- | libbcachefs/backpointers.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/libbcachefs/backpointers.c b/libbcachefs/backpointers.c index 4c8bcf23..8c66333b 100644 --- a/libbcachefs/backpointers.c +++ b/libbcachefs/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| |