btrfs_get_fs_root
root = btrfs_get_fs_root(fs_info, ref_key->offset, false);
root = btrfs_get_fs_root(ctx->fs_info, ref->root_id, false);
inode_root = btrfs_get_fs_root(fs_info, defrag->root, true);
root = btrfs_get_fs_root(tree_root->fs_info,
fs_info->fs_root = btrfs_get_fs_root(fs_info, BTRFS_FS_TREE_OBJECTID, true);
struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
root = btrfs_get_fs_root(fs_info, root_objectid, true);
local_root = btrfs_get_fs_root(fs_info, root, true);
new_root = btrfs_get_fs_root(fs_info, location->objectid, true);
root = btrfs_get_fs_root(info, sk->tree_id, true);
root = btrfs_get_fs_root(info, tree_id, true);
root = btrfs_get_fs_root(fs_info, treeid, true);
root = btrfs_get_fs_root(fs_info, key.objectid, true);
new_root = btrfs_get_fs_root(fs_info, objectid, true);
root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset, false);
root = btrfs_get_fs_root(fs_info, block->owner, true);
fs_root = btrfs_get_fs_root(fs_info,
fs_root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
root = btrfs_get_fs_root(fs_info, root_objectid, false);
local_root = btrfs_get_fs_root(fs_info, root, true);
clone_root = btrfs_get_fs_root(fs_info,
sctx->parent_root = btrfs_get_fs_root(fs_info, arg->parent_root,
fs_root = btrfs_get_fs_root(fs_info, subvol_objectid, true);
wc.root = btrfs_get_fs_root(fs_info, found_key.offset, true);
subvol_root = btrfs_get_fs_root(fs_info, subvolid, true);