bcachefs: Add iter_flags arg to bch2_btree_delete_range()

Will be used by the new snapshot tests, to pass in
BTREE_ITER_ALL_SNAPSHOTS.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>

fs/bcachefs/btree_update.h

@@ -63,7 +63,7 @@ int bch2_btree_insert(struct bch_fs *, enum btree_id, struct bkey_i *,
 int bch2_btree_delete_range_trans(struct btree_trans *, enum btree_id,
 				  struct bpos, struct bpos, unsigned, u64 *);
 int bch2_btree_delete_range(struct bch_fs *, enum btree_id,
-			    struct bpos, struct bpos, u64 *);
+			    struct bpos, struct bpos, unsigned, u64 *);
 
 int bch2_btree_node_rewrite(struct btree_trans *, struct btree_iter *,
 			    struct btree *, unsigned);

fs/bcachefs/btree_update_leaf.c

@@ -1475,7 +1475,7 @@ int bch2_btree_delete_range_trans(struct btree_trans *trans, enum btree_id id,
 		 */
 		delete.k.p = iter.pos;
 
-		if (btree_node_type_is_extents(id)) {
+		if (iter.flags & BTREE_ITER_IS_EXTENTS) {
 			unsigned max_sectors =
 				KEY_SIZE_MAX & (~0 << trans->c->block_bits);
 
@@ -1512,8 +1512,10 @@ int bch2_btree_delete_range_trans(struct btree_trans *trans, enum btree_id id,
  */
 int bch2_btree_delete_range(struct bch_fs *c, enum btree_id id,
 			    struct bpos start, struct bpos end,
+			    unsigned iter_flags,
 			    u64 *journal_seq)
 {
 	return bch2_trans_do(c, NULL, journal_seq, 0,
-			     bch2_btree_delete_range_trans(&trans, id, start, end, 0, journal_seq));
+			     bch2_btree_delete_range_trans(&trans, id, start, end,
+							   iter_flags, journal_seq));
 }

fs/bcachefs/ec.c

@@ -677,7 +677,7 @@ static int ec_stripe_delete(struct bch_fs *c, size_t idx)
 	return bch2_btree_delete_range(c, BTREE_ID_stripes,
 				       POS(0, idx),
 				       POS(0, idx + 1),
-				       NULL);
+				       0, NULL);
 }
 
 static void ec_stripe_delete_work(struct work_struct *work)

fs/bcachefs/quota.c

@@ -570,7 +570,7 @@ static int bch2_quota_remove(struct super_block *sb, unsigned uflags)
 		ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
 					      POS(QTYP_USR, 0),
 					      POS(QTYP_USR + 1, 0),
-					      NULL);
+					      0, NULL);
 		if (ret)
 			return ret;
 	}
@@ -582,7 +582,7 @@ static int bch2_quota_remove(struct super_block *sb, unsigned uflags)
 		ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
 					      POS(QTYP_GRP, 0),
 					      POS(QTYP_GRP + 1, 0),
-					      NULL);
+					      0, NULL);
 		if (ret)
 			return ret;
 	}
@@ -594,7 +594,7 @@ static int bch2_quota_remove(struct super_block *sb, unsigned uflags)
 		ret = bch2_btree_delete_range(c, BTREE_ID_quotas,
 					      POS(QTYP_PRJ, 0),
 					      POS(QTYP_PRJ + 1, 0),
-					      NULL);
+					      0, NULL);
 		if (ret)
 			return ret;
 	}

fs/bcachefs/super.c

@@ -1484,7 +1484,7 @@ static int bch2_dev_remove_alloc(struct bch_fs *c, struct bch_dev *ca)
 	return bch2_btree_delete_range(c, BTREE_ID_alloc,
 				       POS(ca->dev_idx, 0),
 				       POS(ca->dev_idx + 1, 0),
-				       NULL);
+				       0, NULL);
 }
 
 int bch2_dev_remove(struct bch_fs *c, struct bch_dev *ca, int flags)

fs/bcachefs/tests.c

@@ -14,14 +14,14 @@ static void delete_test_keys(struct bch_fs *c)
 	int ret;
 
 	ret = bch2_btree_delete_range(c, BTREE_ID_extents,
-				      SPOS(0, 0, U32_MAX),
-				      SPOS(0, U64_MAX, U32_MAX),
+				      POS_MIN, SPOS_MAX,
+				      BTREE_ITER_ALL_SNAPSHOTS,
 				      NULL);
 	BUG_ON(ret);
 
 	ret = bch2_btree_delete_range(c, BTREE_ID_xattrs,
-				      SPOS(0, 0, U32_MAX),
-				      SPOS(0, U64_MAX, U32_MAX),
+				      POS_MIN, SPOS_MAX,
+				      BTREE_ITER_ALL_SNAPSHOTS,
 				      NULL);
 	BUG_ON(ret);
 }
@@ -749,7 +749,9 @@ static int seq_delete(struct bch_fs *c, u64 nr)
 	int ret;
 
 	ret = bch2_btree_delete_range(c, BTREE_ID_xattrs,
-				      SPOS(0, 0, U32_MAX), POS_MAX, NULL);
+				      POS_MIN, SPOS_MAX,
+				      BTREE_ITER_ALL_SNAPSHOTS,
+				      NULL);
 	if (ret)
 		bch_err(c, "error in seq_delete: %i", ret);
 	return ret;