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btrfs: tests: add table of most common errors 

Allocation of main objects like fs_info or extent buffers is in each
test so let's simplify and unify the error messages to a table and add a
convenience helper.

Signed-off-by: David Sterba <dsterba@suse.com>
hifive-unleashed-5.2
David Sterba 2019-03-15 17:23:30 +01:00
parent efd31fce54
commit 703de4266f
2 changed files with 24 additions and 0 deletions
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10
fs/btrfs/tests/btrfs-tests.c
View File

@ -17,6 +17,16 @@
static struct vfsmount *test_mnt = NULL;
const char *test_error[] = {
[TEST_ALLOC_FS_INFO] = "cannot allocate fs_info",
[TEST_ALLOC_ROOT] = "cannot allocate root",
[TEST_ALLOC_EXTENT_BUFFER] = "cannot extent buffer",
[TEST_ALLOC_PATH] = "cannot allocate path",
[TEST_ALLOC_INODE] = "cannot allocate inode",
[TEST_ALLOC_BLOCK_GROUP] = "cannot allocate block group",
[TEST_ALLOC_EXTENT_MAP] = "cannot allocate extent map",
};
static const struct super_operations btrfs_test_super_ops = {
.alloc_inode = btrfs_alloc_inode,
.destroy_inode = btrfs_test_destroy_inode,

14
fs/btrfs/tests/btrfs-tests.h
View File

@ -13,6 +13,20 @@ int btrfs_run_sanity_tests(void);
#define test_err(fmt, ...) pr_err("BTRFS: selftest: %s:%d " fmt "\n", \
__FILE__, __LINE__, ##__VA_ARGS__)
#define test_std_err(index) test_err("%s", test_error[index])
enum {
TEST_ALLOC_FS_INFO,
TEST_ALLOC_ROOT,
TEST_ALLOC_EXTENT_BUFFER,
TEST_ALLOC_PATH,
TEST_ALLOC_INODE,
TEST_ALLOC_BLOCK_GROUP,
TEST_ALLOC_EXTENT_MAP,
};
extern const char *test_error[];
struct btrfs_root;
struct btrfs_trans_handle;