btrfs: tests, require fs_info for root
This allows the upcoming patchset to push nodesize and sectorsize into
fs_info.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 802a311..8e838b1 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1233,6 +1233,7 @@
struct btrfs_root *root, struct btrfs_fs_info *fs_info,
u64 objectid)
{
+ bool dummy = test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);
root->node = NULL;
root->commit_root = NULL;
root->sectorsize = sectorsize;
@@ -1287,14 +1288,14 @@
root->log_transid = 0;
root->log_transid_committed = -1;
root->last_log_commit = 0;
- if (fs_info)
+ if (!dummy)
extent_io_tree_init(&root->dirty_log_pages,
fs_info->btree_inode->i_mapping);
memset(&root->root_key, 0, sizeof(root->root_key));
memset(&root->root_item, 0, sizeof(root->root_item));
memset(&root->defrag_progress, 0, sizeof(root->defrag_progress));
- if (fs_info)
+ if (!dummy)
root->defrag_trans_start = fs_info->generation;
else
root->defrag_trans_start = 0;
@@ -1315,15 +1316,19 @@
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
/* Should only be used by the testing infrastructure */
-struct btrfs_root *btrfs_alloc_dummy_root(u32 sectorsize, u32 nodesize)
+struct btrfs_root *btrfs_alloc_dummy_root(struct btrfs_fs_info *fs_info,
+ u32 sectorsize, u32 nodesize)
{
struct btrfs_root *root;
- root = btrfs_alloc_root(NULL, GFP_KERNEL);
+ if (!fs_info)
+ return ERR_PTR(-EINVAL);
+
+ root = btrfs_alloc_root(fs_info, GFP_KERNEL);
if (!root)
return ERR_PTR(-ENOMEM);
/* We don't use the stripesize in selftest, set it as sectorsize */
- __setup_root(nodesize, sectorsize, sectorsize, root, NULL,
+ __setup_root(nodesize, sectorsize, sectorsize, root, fs_info,
BTRFS_ROOT_TREE_OBJECTID);
set_bit(BTRFS_ROOT_DUMMY_ROOT, &root->state);
root->alloc_bytenr = 0;