iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

btrfs: tests: pass fs_info to extent_map tests

Browse Source 
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>
This commit is contained in:
David Sterba 2018-04-03 21:55:17 +02:00
parent 2e63e62d98
commit 0e08eb9b1c
1 changed files with 36 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
fs/btrfs/tests/extent-map-tests.c
View File

@ -47,7 +47,8 @@ static void free_extent_map_tree(struct extent_map_tree *em_tree)
* ->add_extent_mapping(0, 16K) * ->add_extent_mapping(0, 16K)
* -> #handle -EEXIST * -> #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; struct extent_map *em;
u64 start = 0; u64 start = 0;
@ -112,7 +113,8 @@ out:
* Reading the inline ending up with EEXIST, ie. read an inline * Reading the inline ending up with EEXIST, ie. read an inline
* extent and discard page cache and read it again. * 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; struct extent_map *em;
int ret; int ret;
@ -169,7 +171,8 @@ out:
free_extent_map_tree(em_tree); 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; struct extent_map *em;
u64 len = SZ_4K; u64 len = SZ_4K;
@ -235,14 +238,16 @@ out:
* -> add_extent_mapping() * -> add_extent_mapping()
* -> 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(fs_info, em_tree, 0);
__test_case_3(em_tree, SZ_8K); __test_case_3(fs_info, em_tree, SZ_8K);
__test_case_3(em_tree, (12 * 1024ULL)); __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; struct extent_map *em;
u64 len = SZ_4K; u64 len = SZ_4K;
@ -324,30 +329,45 @@ out:
* # handle -EEXIST when adding * # handle -EEXIST when adding
* # [0, 32K) * # [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(fs_info, em_tree, 0);
__test_case_4(em_tree, SZ_4K); __test_case_4(fs_info, em_tree, SZ_4K);
} }
int btrfs_test_extent_map(void) int btrfs_test_extent_map(void)
{ {
struct btrfs_fs_info *fs_info = NULL;
struct extent_map_tree *em_tree; struct extent_map_tree *em_tree;
test_msg("Running extent_map tests\n"); 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); em_tree = kzalloc(sizeof(*em_tree), GFP_KERNEL);
if (!em_tree) if (!em_tree)
/* Skip the test on error. */ /* Skip the test on error. */
return 0; goto out;
extent_map_tree_init(em_tree); extent_map_tree_init(em_tree);
test_case_1(em_tree); test_case_1(fs_info, em_tree);
test_case_2(em_tree); test_case_2(fs_info, em_tree);
test_case_3(em_tree); test_case_3(fs_info, em_tree);
test_case_4(em_tree); test_case_4(fs_info, em_tree);
kfree(em_tree); kfree(em_tree);
out:
btrfs_free_dummy_fs_info(fs_info);
return 0; return 0;
} }