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-rw-r--r--fs/btrfs/tests/btrfs-tests.c1
-rw-r--r--fs/btrfs/tests/extent-io-tests.c9
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/btrfs/tests/btrfs-tests.c b/fs/btrfs/tests/btrfs-tests.c
index c12b91ff5f56..84fb3fa940a6 100644
--- a/fs/btrfs/tests/btrfs-tests.c
+++ b/fs/btrfs/tests/btrfs-tests.c
@@ -142,7 +142,6 @@ struct btrfs_fs_info *btrfs_alloc_dummy_fs_info(u32 nodesize, u32 sectorsize)
spin_lock_init(&fs_info->qgroup_lock);
spin_lock_init(&fs_info->super_lock);
spin_lock_init(&fs_info->fs_roots_radix_lock);
- spin_lock_init(&fs_info->tree_mod_seq_lock);
mutex_init(&fs_info->qgroup_ioctl_lock);
mutex_init(&fs_info->qgroup_rescan_lock);
rwlock_init(&fs_info->tree_mod_log_lock);
diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c
index 123d9a614357..df7ce874a74b 100644
--- a/fs/btrfs/tests/extent-io-tests.c
+++ b/fs/btrfs/tests/extent-io-tests.c
@@ -441,8 +441,17 @@ static int test_find_first_clear_extent_bit(void)
int ret = -EINVAL;
test_msg("running find_first_clear_extent_bit test");
+
extent_io_tree_init(NULL, &tree, IO_TREE_SELFTEST, NULL);
+ /* Test correct handling of empty tree */
+ find_first_clear_extent_bit(&tree, 0, &start, &end, CHUNK_TRIMMED);
+ if (start != 0 || end != -1) {
+ test_err(
+ "error getting a range from completely empty tree: start %llu end %llu",
+ start, end);
+ goto out;
+ }
/*
* Set 1M-4M alloc/discard and 32M-64M thus leaving a hole between
* 4M-32M
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