summaryrefslogtreecommitdiff
path: root/fs/btrfs/tests
diff options
context:
space:
mode:
authorDavid Sterba <dsterba@suse.com>2018-04-03 22:55:17 +0300
committerDavid Sterba <dsterba@suse.com>2018-05-28 19:07:17 +0300
commit0e08eb9b1c1701f1fda8e8d7f4d2b93e7e54941f (patch)
tree37865b8d01b52b4b9241c83e575bdccbe3e60597 /fs/btrfs/tests
parent2e63e62d981dcaa822d3a845935b009b2543b3f2 (diff)
downloadlinux-0e08eb9b1c1701f1fda8e8d7f4d2b93e7e54941f.tar.xz
btrfs: tests: pass fs_info to extent_map tests
Preparatory work to pass fs_info to btrfs_add_extent_mapping so we can get a better tracepoint message. Extent maps do not need fs_info for anything so we only add a dummy one without any other initialization. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/tests')
-rw-r--r--fs/btrfs/tests/extent-map-tests.c52
1 files changed, 36 insertions, 16 deletions
diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index 79e0a5f4d9c9..8a39de4453e4 100644
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -47,7 +47,8 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
* ->add_extent_mapping(0, 16K)
* -> #handle -EEXIST
*/
-static void test_case_1(struct extent_map_tree *em_tree)
+static void test_case_1(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree)
{
struct extent_map *em;
u64 start = 0;
@@ -112,7 +113,8 @@ out:
* Reading the inline ending up with EEXIST, ie. read an inline
* extent and discard page cache and read it again.
*/
-static void test_case_2(struct extent_map_tree *em_tree)
+static void test_case_2(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree)
{
struct extent_map *em;
int ret;
@@ -169,7 +171,8 @@ out:
free_extent_map_tree(em_tree);
}
-static void __test_case_3(struct extent_map_tree *em_tree, u64 start)
+static void __test_case_3(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree, u64 start)
{
struct extent_map *em;
u64 len = SZ_4K;
@@ -235,14 +238,16 @@ out:
* -> add_extent_mapping()
* -> add_extent_mapping()
*/
-static void test_case_3(struct extent_map_tree *em_tree)
+static void test_case_3(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree)
{
- __test_case_3(em_tree, 0);
- __test_case_3(em_tree, SZ_8K);
- __test_case_3(em_tree, (12 * 1024ULL));
+ __test_case_3(fs_info, em_tree, 0);
+ __test_case_3(fs_info, em_tree, SZ_8K);
+ __test_case_3(fs_info, em_tree, (12 * 1024ULL));
}
-static void __test_case_4(struct extent_map_tree *em_tree, u64 start)
+static void __test_case_4(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree, u64 start)
{
struct extent_map *em;
u64 len = SZ_4K;
@@ -324,30 +329,45 @@ out:
* # handle -EEXIST when adding
* # [0, 32K)
*/
-static void test_case_4(struct extent_map_tree *em_tree)
+static void test_case_4(struct btrfs_fs_info *fs_info,
+ struct extent_map_tree *em_tree)
{
- __test_case_4(em_tree, 0);
- __test_case_4(em_tree, SZ_4K);
+ __test_case_4(fs_info, em_tree, 0);
+ __test_case_4(fs_info, em_tree, SZ_4K);
}
int btrfs_test_extent_map(void)
{
+ struct btrfs_fs_info *fs_info = NULL;
struct extent_map_tree *em_tree;
test_msg("Running extent_map tests\n");
+ /*
+ * Note: the fs_info is not set up completely, we only need
+ * fs_info::fsid for the tracepoint.
+ */
+ fs_info = btrfs_alloc_dummy_fs_info(PAGE_SIZE, PAGE_SIZE);
+ if (!fs_info) {
+ test_msg("Couldn't allocate dummy fs info\n");
+ return -ENOMEM;
+ }
+
em_tree = kzalloc(sizeof(*em_tree), GFP_KERNEL);
if (!em_tree)
/* Skip the test on error. */
- return 0;
+ goto out;
extent_map_tree_init(em_tree);
- test_case_1(em_tree);
- test_case_2(em_tree);
- test_case_3(em_tree);
- test_case_4(em_tree);
+ test_case_1(fs_info, em_tree);
+ test_case_2(fs_info, em_tree);
+ test_case_3(fs_info, em_tree);
+ test_case_4(fs_info, em_tree);
kfree(em_tree);
+out:
+ btrfs_free_dummy_fs_info(fs_info);
+
return 0;
}