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author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-08-02 06:03:41 +0300 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-23 00:08:08 +0300 |
commit | 0fdf18047fd38e7b5cc6adba3a81704c88333e1c (patch) | |
tree | a7aaf10bc096690cf1a7338e7172affe0348d635 /fs/bcachefs/tests.c | |
parent | 1fe08f31b2af8ca93e7ee211ac2799d2ef2aae24 (diff) | |
download | linux-0fdf18047fd38e7b5cc6adba3a81704c88333e1c.tar.xz |
bcachefs: extent unit tests
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/tests.c')
-rw-r--r-- | fs/bcachefs/tests.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/fs/bcachefs/tests.c b/fs/bcachefs/tests.c index c522fb795e63..a408fa9ed8b5 100644 --- a/fs/bcachefs/tests.c +++ b/fs/bcachefs/tests.c @@ -271,6 +271,63 @@ static void test_iterate_slots_extents(struct bch_fs *c, u64 nr) bch2_btree_iter_unlock(&iter); } +/* extent unit tests */ + +u64 test_version; + +static void insert_test_extent(struct bch_fs *c, + u64 start, u64 end) +{ + struct bkey_i_cookie k; + int ret; + + //pr_info("inserting %llu-%llu v %llu", start, end, test_version); + + bkey_cookie_init(&k.k_i); + k.k_i.k.p.offset = end; + k.k_i.k.size = end - start; + k.k_i.k.version.lo = test_version++; + + ret = bch2_btree_insert(c, BTREE_ID_EXTENTS, &k.k_i, + NULL, NULL, NULL, 0); + BUG_ON(ret); +} + +static void __test_extent_overwrite(struct bch_fs *c, + u64 e1_start, u64 e1_end, + u64 e2_start, u64 e2_end) +{ + insert_test_extent(c, e1_start, e1_end); + insert_test_extent(c, e2_start, e2_end); + + delete_test_keys(c); +} + +static void test_extent_overwrite_front(struct bch_fs *c, u64 nr) +{ + __test_extent_overwrite(c, 0, 64, 0, 32); + __test_extent_overwrite(c, 8, 64, 0, 32); +} + +static void test_extent_overwrite_back(struct bch_fs *c, u64 nr) +{ + __test_extent_overwrite(c, 0, 64, 32, 64); + __test_extent_overwrite(c, 0, 64, 32, 72); +} + +static void test_extent_overwrite_middle(struct bch_fs *c, u64 nr) +{ + __test_extent_overwrite(c, 0, 64, 32, 40); +} + +static void test_extent_overwrite_all(struct bch_fs *c, u64 nr) +{ + __test_extent_overwrite(c, 32, 64, 0, 64); + __test_extent_overwrite(c, 32, 64, 0, 128); + __test_extent_overwrite(c, 32, 64, 32, 64); + __test_extent_overwrite(c, 32, 64, 32, 128); +} + /* perf tests */ static u64 test_rand(void) @@ -499,6 +556,11 @@ void bch2_btree_perf_test(struct bch_fs *c, const char *testname, perf_test(test_iterate_slots); perf_test(test_iterate_slots_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); + if (!j.fn) { pr_err("unknown test %s", testname); return; |