btrfs: tests: fix comments about tested extent map ranges

Comments about ranges did not match the code, the correct calculation is
to use start and start+len as the interval boundaries.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index a09783f..87aeabe 100644 (file)
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -155,7 +155,7 @@ static int test_case_2(struct btrfs_fs_info *fs_info,
        }
        free_extent_map(em);
 
-       /* Add [4K, 4K) following [0, 1K)  */
+       /* Add [4K, 8K) following [0, 1K)  */
        em = alloc_extent_map();
        if (!em) {
                test_std_err(TEST_ALLOC_EXTENT_MAP);
@@ -334,7 +334,7 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
                goto out;
        }
 
-       /* Add [8K, 24K) */
+       /* Add [8K, 32K) */
        em->start = SZ_8K;
        em->len = 24 * SZ_1K;
        em->block_start = SZ_16K; /* avoid merging */