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d2a990d1b1
These errors aren't actual errors, and should never be printed - do this in the common helpers. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
920 lines
20 KiB
C
920 lines
20 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#ifdef CONFIG_BCACHEFS_TESTS
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#include "bcachefs.h"
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#include "btree_update.h"
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#include "journal_reclaim.h"
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#include "snapshot.h"
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#include "tests.h"
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#include "linux/kthread.h"
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#include "linux/random.h"
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static void delete_test_keys(struct bch_fs *c)
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{
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int ret;
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ret = bch2_btree_delete_range(c, BTREE_ID_extents,
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SPOS(0, 0, U32_MAX),
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POS(0, U64_MAX),
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0, NULL);
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BUG_ON(ret);
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ret = bch2_btree_delete_range(c, BTREE_ID_xattrs,
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SPOS(0, 0, U32_MAX),
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POS(0, U64_MAX),
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0, NULL);
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BUG_ON(ret);
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}
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/* unit tests */
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static int test_delete(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter;
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struct bkey_i_cookie k;
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int ret;
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bkey_cookie_init(&k.k_i);
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k.k.p.snapshot = U32_MAX;
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bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs, k.k.p,
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BTREE_ITER_INTENT);
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ret = commit_do(trans, NULL, NULL, 0,
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bch2_btree_iter_traverse(&iter) ?:
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bch2_trans_update(trans, &iter, &k.k_i, 0));
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bch_err_msg(c, ret, "update error");
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if (ret)
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goto err;
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pr_info("deleting once");
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ret = commit_do(trans, NULL, NULL, 0,
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bch2_btree_iter_traverse(&iter) ?:
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bch2_btree_delete_at(trans, &iter, 0));
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bch_err_msg(c, ret, "delete error (first)");
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if (ret)
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goto err;
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pr_info("deleting twice");
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ret = commit_do(trans, NULL, NULL, 0,
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bch2_btree_iter_traverse(&iter) ?:
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bch2_btree_delete_at(trans, &iter, 0));
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bch_err_msg(c, ret, "delete error (second)");
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if (ret)
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goto err;
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err:
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return ret;
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}
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static int test_delete_written(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter;
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struct bkey_i_cookie k;
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int ret;
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bkey_cookie_init(&k.k_i);
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k.k.p.snapshot = U32_MAX;
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bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs, k.k.p,
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BTREE_ITER_INTENT);
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ret = commit_do(trans, NULL, NULL, 0,
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bch2_btree_iter_traverse(&iter) ?:
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bch2_trans_update(trans, &iter, &k.k_i, 0));
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bch_err_msg(c, ret, "update error");
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if (ret)
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goto err;
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bch2_trans_unlock(trans);
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bch2_journal_flush_all_pins(&c->journal);
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ret = commit_do(trans, NULL, NULL, 0,
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bch2_btree_iter_traverse(&iter) ?:
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bch2_btree_delete_at(trans, &iter, 0));
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bch_err_msg(c, ret, "delete error");
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if (ret)
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goto err;
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err:
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return ret;
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}
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static int test_iterate(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter = { NULL };
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struct bkey_s_c k;
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u64 i;
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int ret = 0;
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delete_test_keys(c);
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pr_info("inserting test keys");
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for (i = 0; i < nr; i++) {
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struct bkey_i_cookie ck;
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bkey_cookie_init(&ck.k_i);
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ck.k.p.offset = i;
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ck.k.p.snapshot = U32_MAX;
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ret = bch2_btree_insert(c, BTREE_ID_xattrs, &ck.k_i, NULL, 0);
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bch_err_msg(c, ret, "insert error");
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if (ret)
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goto err;
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}
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pr_info("iterating forwards");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_xattrs,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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0, k, ({
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BUG_ON(k.k->p.offset != i++);
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0;
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}));
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bch_err_msg(c, ret, "error iterating forwards");
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if (ret)
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goto err;
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BUG_ON(i != nr);
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pr_info("iterating backwards");
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ret = for_each_btree_key_reverse(trans, iter, BTREE_ID_xattrs,
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SPOS(0, U64_MAX, U32_MAX), 0, k,
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({
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BUG_ON(k.k->p.offset != --i);
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0;
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}));
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bch_err_msg(c, ret, "error iterating backwards");
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if (ret)
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goto err;
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BUG_ON(i);
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err:
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return ret;
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}
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static int test_iterate_extents(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter = { NULL };
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struct bkey_s_c k;
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u64 i;
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int ret = 0;
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delete_test_keys(c);
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pr_info("inserting test extents");
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for (i = 0; i < nr; i += 8) {
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struct bkey_i_cookie ck;
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bkey_cookie_init(&ck.k_i);
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ck.k.p.offset = i + 8;
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ck.k.p.snapshot = U32_MAX;
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ck.k.size = 8;
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ret = bch2_btree_insert(c, BTREE_ID_extents, &ck.k_i, NULL, 0);
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bch_err_msg(c, ret, "insert error");
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if (ret)
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goto err;
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}
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pr_info("iterating forwards");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_extents,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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0, k, ({
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BUG_ON(bkey_start_offset(k.k) != i);
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i = k.k->p.offset;
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0;
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}));
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bch_err_msg(c, ret, "error iterating forwards");
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if (ret)
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goto err;
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BUG_ON(i != nr);
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pr_info("iterating backwards");
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ret = for_each_btree_key_reverse(trans, iter, BTREE_ID_extents,
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SPOS(0, U64_MAX, U32_MAX), 0, k,
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({
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BUG_ON(k.k->p.offset != i);
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i = bkey_start_offset(k.k);
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0;
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}));
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bch_err_msg(c, ret, "error iterating backwards");
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if (ret)
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goto err;
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BUG_ON(i);
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err:
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return ret;
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}
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static int test_iterate_slots(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter = { NULL };
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struct bkey_s_c k;
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u64 i;
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int ret = 0;
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delete_test_keys(c);
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pr_info("inserting test keys");
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for (i = 0; i < nr; i++) {
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struct bkey_i_cookie ck;
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bkey_cookie_init(&ck.k_i);
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ck.k.p.offset = i * 2;
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ck.k.p.snapshot = U32_MAX;
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ret = bch2_btree_insert(c, BTREE_ID_xattrs, &ck.k_i, NULL, 0);
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bch_err_msg(c, ret, "insert error");
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if (ret)
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goto err;
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}
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pr_info("iterating forwards");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_xattrs,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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0, k, ({
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BUG_ON(k.k->p.offset != i);
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i += 2;
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0;
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}));
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bch_err_msg(c, ret, "error iterating forwards");
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if (ret)
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goto err;
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BUG_ON(i != nr * 2);
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pr_info("iterating forwards by slots");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_xattrs,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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BTREE_ITER_SLOTS, k, ({
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if (i >= nr * 2)
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break;
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BUG_ON(k.k->p.offset != i);
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BUG_ON(bkey_deleted(k.k) != (i & 1));
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i++;
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0;
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}));
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if (ret < 0) {
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bch_err_msg(c, ret, "error iterating forwards by slots");
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goto err;
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}
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ret = 0;
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err:
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bch2_trans_put(trans);
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return ret;
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}
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static int test_iterate_slots_extents(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter = { NULL };
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struct bkey_s_c k;
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u64 i;
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int ret = 0;
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delete_test_keys(c);
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pr_info("inserting test keys");
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for (i = 0; i < nr; i += 16) {
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struct bkey_i_cookie ck;
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bkey_cookie_init(&ck.k_i);
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ck.k.p.offset = i + 16;
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ck.k.p.snapshot = U32_MAX;
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ck.k.size = 8;
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ret = bch2_btree_insert(c, BTREE_ID_extents, &ck.k_i, NULL, 0);
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bch_err_msg(c, ret, "insert error");
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if (ret)
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goto err;
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}
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pr_info("iterating forwards");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_extents,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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0, k, ({
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BUG_ON(bkey_start_offset(k.k) != i + 8);
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BUG_ON(k.k->size != 8);
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i += 16;
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0;
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}));
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bch_err_msg(c, ret, "error iterating forwards");
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if (ret)
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goto err;
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BUG_ON(i != nr);
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pr_info("iterating forwards by slots");
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i = 0;
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ret = for_each_btree_key2_upto(trans, iter, BTREE_ID_extents,
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SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
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BTREE_ITER_SLOTS, k, ({
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if (i == nr)
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break;
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BUG_ON(bkey_deleted(k.k) != !(i % 16));
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BUG_ON(bkey_start_offset(k.k) != i);
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BUG_ON(k.k->size != 8);
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i = k.k->p.offset;
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0;
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}));
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bch_err_msg(c, ret, "error iterating forwards by slots");
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if (ret)
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goto err;
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ret = 0;
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err:
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bch2_trans_put(trans);
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return 0;
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}
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/*
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* XXX: we really want to make sure we've got a btree with depth > 0 for these
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* tests
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*/
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static int test_peek_end(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter;
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struct bkey_s_c k;
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bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs,
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SPOS(0, 0, U32_MAX), 0);
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lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX))));
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BUG_ON(k.k);
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lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX))));
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BUG_ON(k.k);
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return 0;
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}
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static int test_peek_end_extents(struct bch_fs *c, u64 nr)
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{
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struct btree_trans *trans = bch2_trans_get(c);
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struct btree_iter iter;
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struct bkey_s_c k;
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bch2_trans_iter_init(trans, &iter, BTREE_ID_extents,
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SPOS(0, 0, U32_MAX), 0);
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lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX))));
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BUG_ON(k.k);
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lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX))));
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BUG_ON(k.k);
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bch2_trans_iter_exit(trans, &iter);
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bch2_trans_put(trans);
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return 0;
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}
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/* extent unit tests */
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static u64 test_version;
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static int insert_test_extent(struct bch_fs *c,
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u64 start, u64 end)
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{
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struct bkey_i_cookie k;
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int ret;
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bkey_cookie_init(&k.k_i);
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k.k_i.k.p.offset = end;
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k.k_i.k.p.snapshot = U32_MAX;
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k.k_i.k.size = end - start;
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k.k_i.k.version.lo = test_version++;
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ret = bch2_btree_insert(c, BTREE_ID_extents, &k.k_i, NULL, 0);
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bch_err_fn(c, ret);
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return ret;
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}
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static int __test_extent_overwrite(struct bch_fs *c,
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u64 e1_start, u64 e1_end,
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u64 e2_start, u64 e2_end)
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{
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int ret;
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ret = insert_test_extent(c, e1_start, e1_end) ?:
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insert_test_extent(c, e2_start, e2_end);
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delete_test_keys(c);
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return ret;
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}
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static int test_extent_overwrite_front(struct bch_fs *c, u64 nr)
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{
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return __test_extent_overwrite(c, 0, 64, 0, 32) ?:
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__test_extent_overwrite(c, 8, 64, 0, 32);
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}
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static int test_extent_overwrite_back(struct bch_fs *c, u64 nr)
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{
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return __test_extent_overwrite(c, 0, 64, 32, 64) ?:
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__test_extent_overwrite(c, 0, 64, 32, 72);
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}
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static int test_extent_overwrite_middle(struct bch_fs *c, u64 nr)
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{
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return __test_extent_overwrite(c, 0, 64, 32, 40);
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}
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static int test_extent_overwrite_all(struct bch_fs *c, u64 nr)
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{
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return __test_extent_overwrite(c, 32, 64, 0, 64) ?:
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__test_extent_overwrite(c, 32, 64, 0, 128) ?:
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__test_extent_overwrite(c, 32, 64, 32, 64) ?:
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__test_extent_overwrite(c, 32, 64, 32, 128);
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}
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static int insert_test_overlapping_extent(struct bch_fs *c, u64 inum, u64 start, u32 len, u32 snapid)
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{
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struct bkey_i_cookie k;
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int ret;
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bkey_cookie_init(&k.k_i);
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k.k_i.k.p.inode = inum;
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k.k_i.k.p.offset = start + len;
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k.k_i.k.p.snapshot = snapid;
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k.k_i.k.size = len;
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ret = bch2_trans_do(c, NULL, NULL, 0,
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bch2_btree_insert_nonextent(trans, BTREE_ID_extents, &k.k_i,
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BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE));
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bch_err_fn(c, ret);
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return ret;
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}
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static int test_extent_create_overlapping(struct bch_fs *c, u64 inum)
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{
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return insert_test_overlapping_extent(c, inum, 0, 16, U32_MAX - 2) ?: /* overwrite entire */
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insert_test_overlapping_extent(c, inum, 2, 8, U32_MAX - 2) ?:
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insert_test_overlapping_extent(c, inum, 4, 4, U32_MAX) ?:
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insert_test_overlapping_extent(c, inum, 32, 8, U32_MAX - 2) ?: /* overwrite front/back */
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|
insert_test_overlapping_extent(c, inum, 36, 8, U32_MAX) ?:
|
|
insert_test_overlapping_extent(c, inum, 60, 8, U32_MAX - 2) ?:
|
|
insert_test_overlapping_extent(c, inum, 64, 8, U32_MAX);
|
|
}
|
|
|
|
/* snapshot unit tests */
|
|
|
|
/* Test skipping over keys in unrelated snapshots: */
|
|
static int test_snapshot_filter(struct bch_fs *c, u32 snapid_lo, u32 snapid_hi)
|
|
{
|
|
struct btree_trans *trans;
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
struct bkey_i_cookie cookie;
|
|
int ret;
|
|
|
|
bkey_cookie_init(&cookie.k_i);
|
|
cookie.k.p.snapshot = snapid_hi;
|
|
ret = bch2_btree_insert(c, BTREE_ID_xattrs, &cookie.k_i, NULL, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
trans = bch2_trans_get(c);
|
|
bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, snapid_lo), 0);
|
|
lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_upto(&iter, POS(0, U64_MAX))));
|
|
|
|
BUG_ON(k.k->p.snapshot != U32_MAX);
|
|
|
|
bch2_trans_iter_exit(trans, &iter);
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int test_snapshots(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct bkey_i_cookie cookie;
|
|
u32 snapids[2];
|
|
u32 snapid_subvols[2] = { 1, 1 };
|
|
int ret;
|
|
|
|
bkey_cookie_init(&cookie.k_i);
|
|
cookie.k.p.snapshot = U32_MAX;
|
|
ret = bch2_btree_insert(c, BTREE_ID_xattrs, &cookie.k_i, NULL, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = bch2_trans_do(c, NULL, NULL, 0,
|
|
bch2_snapshot_node_create(trans, U32_MAX,
|
|
snapids,
|
|
snapid_subvols,
|
|
2));
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (snapids[0] > snapids[1])
|
|
swap(snapids[0], snapids[1]);
|
|
|
|
ret = test_snapshot_filter(c, snapids[0], snapids[1]);
|
|
bch_err_msg(c, ret, "from test_snapshot_filter");
|
|
return ret;
|
|
}
|
|
|
|
/* perf tests */
|
|
|
|
static u64 test_rand(void)
|
|
{
|
|
u64 v;
|
|
|
|
get_random_bytes(&v, sizeof(v));
|
|
return v;
|
|
}
|
|
|
|
static int rand_insert(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_trans *trans = bch2_trans_get(c);
|
|
struct bkey_i_cookie k;
|
|
int ret = 0;
|
|
u64 i;
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
bkey_cookie_init(&k.k_i);
|
|
k.k.p.offset = test_rand();
|
|
k.k.p.snapshot = U32_MAX;
|
|
|
|
ret = commit_do(trans, NULL, NULL, 0,
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k.k_i, 0));
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int rand_insert_multi(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_trans *trans = bch2_trans_get(c);
|
|
struct bkey_i_cookie k[8];
|
|
int ret = 0;
|
|
unsigned j;
|
|
u64 i;
|
|
|
|
for (i = 0; i < nr; i += ARRAY_SIZE(k)) {
|
|
for (j = 0; j < ARRAY_SIZE(k); j++) {
|
|
bkey_cookie_init(&k[j].k_i);
|
|
k[j].k.p.offset = test_rand();
|
|
k[j].k.p.snapshot = U32_MAX;
|
|
}
|
|
|
|
ret = commit_do(trans, NULL, NULL, 0,
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[0].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[1].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[2].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[3].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[4].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[5].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[6].k_i, 0) ?:
|
|
bch2_btree_insert_trans(trans, BTREE_ID_xattrs, &k[7].k_i, 0));
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int rand_lookup(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_trans *trans = bch2_trans_get(c);
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
int ret = 0;
|
|
u64 i;
|
|
|
|
bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX), 0);
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
bch2_btree_iter_set_pos(&iter, SPOS(0, test_rand(), U32_MAX));
|
|
|
|
lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek(&iter)));
|
|
ret = bkey_err(k);
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
bch2_trans_iter_exit(trans, &iter);
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int rand_mixed_trans(struct btree_trans *trans,
|
|
struct btree_iter *iter,
|
|
struct bkey_i_cookie *cookie,
|
|
u64 i, u64 pos)
|
|
{
|
|
struct bkey_s_c k;
|
|
int ret;
|
|
|
|
bch2_btree_iter_set_pos(iter, SPOS(0, pos, U32_MAX));
|
|
|
|
k = bch2_btree_iter_peek(iter);
|
|
ret = bkey_err(k);
|
|
bch_err_msg(trans->c, ret, "lookup error");
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!(i & 3) && k.k) {
|
|
bkey_cookie_init(&cookie->k_i);
|
|
cookie->k.p = iter->pos;
|
|
ret = bch2_trans_update(trans, iter, &cookie->k_i, 0);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rand_mixed(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_trans *trans = bch2_trans_get(c);
|
|
struct btree_iter iter;
|
|
struct bkey_i_cookie cookie;
|
|
int ret = 0;
|
|
u64 i, rand;
|
|
|
|
bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX), 0);
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
rand = test_rand();
|
|
ret = commit_do(trans, NULL, NULL, 0,
|
|
rand_mixed_trans(trans, &iter, &cookie, i, rand));
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
bch2_trans_iter_exit(trans, &iter);
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int __do_delete(struct btree_trans *trans, struct bpos pos)
|
|
{
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
int ret = 0;
|
|
|
|
bch2_trans_iter_init(trans, &iter, BTREE_ID_xattrs, pos,
|
|
BTREE_ITER_INTENT);
|
|
k = bch2_btree_iter_peek(&iter);
|
|
ret = bkey_err(k);
|
|
if (ret)
|
|
goto err;
|
|
|
|
if (!k.k)
|
|
goto err;
|
|
|
|
ret = bch2_btree_delete_at(trans, &iter, 0);
|
|
err:
|
|
bch2_trans_iter_exit(trans, &iter);
|
|
return ret;
|
|
}
|
|
|
|
static int rand_delete(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_trans *trans = bch2_trans_get(c);
|
|
int ret = 0;
|
|
u64 i;
|
|
|
|
for (i = 0; i < nr; i++) {
|
|
struct bpos pos = SPOS(0, test_rand(), U32_MAX);
|
|
|
|
ret = commit_do(trans, NULL, NULL, 0,
|
|
__do_delete(trans, pos));
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
bch2_trans_put(trans);
|
|
return ret;
|
|
}
|
|
|
|
static int seq_insert(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
struct bkey_i_cookie insert;
|
|
|
|
bkey_cookie_init(&insert.k_i);
|
|
|
|
return bch2_trans_run(c,
|
|
for_each_btree_key_commit(trans, iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX),
|
|
BTREE_ITER_SLOTS|BTREE_ITER_INTENT, k,
|
|
NULL, NULL, 0, ({
|
|
if (iter.pos.offset >= nr)
|
|
break;
|
|
insert.k.p = iter.pos;
|
|
bch2_trans_update(trans, &iter, &insert.k_i, 0);
|
|
})));
|
|
}
|
|
|
|
static int seq_lookup(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
|
|
return bch2_trans_run(c,
|
|
for_each_btree_key2_upto(trans, iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX), POS(0, U64_MAX),
|
|
0, k,
|
|
0));
|
|
}
|
|
|
|
static int seq_overwrite(struct bch_fs *c, u64 nr)
|
|
{
|
|
struct btree_iter iter;
|
|
struct bkey_s_c k;
|
|
|
|
return bch2_trans_run(c,
|
|
for_each_btree_key_commit(trans, iter, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX),
|
|
BTREE_ITER_INTENT, k,
|
|
NULL, NULL, 0, ({
|
|
struct bkey_i_cookie u;
|
|
|
|
bkey_reassemble(&u.k_i, k);
|
|
bch2_trans_update(trans, &iter, &u.k_i, 0);
|
|
})));
|
|
}
|
|
|
|
static int seq_delete(struct bch_fs *c, u64 nr)
|
|
{
|
|
return bch2_btree_delete_range(c, BTREE_ID_xattrs,
|
|
SPOS(0, 0, U32_MAX),
|
|
POS(0, U64_MAX),
|
|
0, NULL);
|
|
}
|
|
|
|
typedef int (*perf_test_fn)(struct bch_fs *, u64);
|
|
|
|
struct test_job {
|
|
struct bch_fs *c;
|
|
u64 nr;
|
|
unsigned nr_threads;
|
|
perf_test_fn fn;
|
|
|
|
atomic_t ready;
|
|
wait_queue_head_t ready_wait;
|
|
|
|
atomic_t done;
|
|
struct completion done_completion;
|
|
|
|
u64 start;
|
|
u64 finish;
|
|
int ret;
|
|
};
|
|
|
|
static int btree_perf_test_thread(void *data)
|
|
{
|
|
struct test_job *j = data;
|
|
int ret;
|
|
|
|
if (atomic_dec_and_test(&j->ready)) {
|
|
wake_up(&j->ready_wait);
|
|
j->start = sched_clock();
|
|
} else {
|
|
wait_event(j->ready_wait, !atomic_read(&j->ready));
|
|
}
|
|
|
|
ret = j->fn(j->c, div64_u64(j->nr, j->nr_threads));
|
|
if (ret) {
|
|
bch_err(j->c, "%ps: error %s", j->fn, bch2_err_str(ret));
|
|
j->ret = ret;
|
|
}
|
|
|
|
if (atomic_dec_and_test(&j->done)) {
|
|
j->finish = sched_clock();
|
|
complete(&j->done_completion);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int bch2_btree_perf_test(struct bch_fs *c, const char *testname,
|
|
u64 nr, unsigned nr_threads)
|
|
{
|
|
struct test_job j = { .c = c, .nr = nr, .nr_threads = nr_threads };
|
|
char name_buf[20];
|
|
struct printbuf nr_buf = PRINTBUF;
|
|
struct printbuf per_sec_buf = PRINTBUF;
|
|
unsigned i;
|
|
u64 time;
|
|
|
|
atomic_set(&j.ready, nr_threads);
|
|
init_waitqueue_head(&j.ready_wait);
|
|
|
|
atomic_set(&j.done, nr_threads);
|
|
init_completion(&j.done_completion);
|
|
|
|
#define perf_test(_test) \
|
|
if (!strcmp(testname, #_test)) j.fn = _test
|
|
|
|
perf_test(rand_insert);
|
|
perf_test(rand_insert_multi);
|
|
perf_test(rand_lookup);
|
|
perf_test(rand_mixed);
|
|
perf_test(rand_delete);
|
|
|
|
perf_test(seq_insert);
|
|
perf_test(seq_lookup);
|
|
perf_test(seq_overwrite);
|
|
perf_test(seq_delete);
|
|
|
|
/* a unit test, not a perf test: */
|
|
perf_test(test_delete);
|
|
perf_test(test_delete_written);
|
|
perf_test(test_iterate);
|
|
perf_test(test_iterate_extents);
|
|
perf_test(test_iterate_slots);
|
|
perf_test(test_iterate_slots_extents);
|
|
perf_test(test_peek_end);
|
|
perf_test(test_peek_end_extents);
|
|
|
|
perf_test(test_extent_overwrite_front);
|
|
perf_test(test_extent_overwrite_back);
|
|
perf_test(test_extent_overwrite_middle);
|
|
perf_test(test_extent_overwrite_all);
|
|
perf_test(test_extent_create_overlapping);
|
|
|
|
perf_test(test_snapshots);
|
|
|
|
if (!j.fn) {
|
|
pr_err("unknown test %s", testname);
|
|
return -EINVAL;
|
|
}
|
|
|
|
//pr_info("running test %s:", testname);
|
|
|
|
if (nr_threads == 1)
|
|
btree_perf_test_thread(&j);
|
|
else
|
|
for (i = 0; i < nr_threads; i++)
|
|
kthread_run(btree_perf_test_thread, &j,
|
|
"bcachefs perf test[%u]", i);
|
|
|
|
while (wait_for_completion_interruptible(&j.done_completion))
|
|
;
|
|
|
|
time = j.finish - j.start;
|
|
|
|
scnprintf(name_buf, sizeof(name_buf), "%s:", testname);
|
|
prt_human_readable_u64(&nr_buf, nr);
|
|
prt_human_readable_u64(&per_sec_buf, div64_u64(nr * NSEC_PER_SEC, time));
|
|
printk(KERN_INFO "%-12s %s with %u threads in %5llu sec, %5llu nsec per iter, %5s per sec\n",
|
|
name_buf, nr_buf.buf, nr_threads,
|
|
div_u64(time, NSEC_PER_SEC),
|
|
div_u64(time * nr_threads, nr),
|
|
per_sec_buf.buf);
|
|
printbuf_exit(&per_sec_buf);
|
|
printbuf_exit(&nr_buf);
|
|
return j.ret;
|
|
}
|
|
|
|
#endif /* CONFIG_BCACHEFS_TESTS */
|