57 struct workspace {  struct
88 	struct workspace *workspace = list_entry(ws, struct workspace, list);  in lzo_free_workspace()  local
90 	kvfree(workspace->buf);  in lzo_free_workspace()
91 	kvfree(workspace->cbuf);  in lzo_free_workspace()
92 	kvfree(workspace->mem);  in lzo_free_workspace()
93 	kfree(workspace);  in lzo_free_workspace()
98 	struct workspace *workspace;  in lzo_alloc_workspace()  local
100 	workspace = kzalloc(sizeof(*workspace), GFP_KERNEL);  in lzo_alloc_workspace()
101 	if (!workspace)  in lzo_alloc_workspace()
104 	workspace->mem = kvmalloc(LZO1X_MEM_COMPRESS, GFP_KERNEL);  in lzo_alloc_workspace()
105 	workspace->buf = kvmalloc(lzo1x_worst_compress(PAGE_SIZE), GFP_KERNEL);  in lzo_alloc_workspace()
106 	workspace->cbuf = kvmalloc(lzo1x_worst_compress(PAGE_SIZE), GFP_KERNEL);  in lzo_alloc_workspace()
107 	if (!workspace->mem || !workspace->buf || !workspace->cbuf)  in lzo_alloc_workspace()
110 	INIT_LIST_HEAD(&workspace->list);  in lzo_alloc_workspace()
112 	return &workspace->list;  in lzo_alloc_workspace()
114 	lzo_free_workspace(&workspace->list);  in lzo_alloc_workspace()
142 	struct workspace *workspace = list_entry(ws, struct workspace, list);  in lzo_compress_pages()  local
188 		ret = lzo1x_1_compress(data_in, in_len, workspace->cbuf,  in lzo_compress_pages()
189 				       &out_len, workspace->mem);  in lzo_compress_pages()
207 		buf = workspace->cbuf;  in lzo_compress_pages()
308 	struct workspace *workspace = list_entry(ws, struct workspace, list);  in lzo_decompress_bio()  local
384 		buf = workspace->cbuf;  in lzo_decompress_bio()
422 		ret = lzo1x_decompress_safe(buf, in_len, workspace->buf,  in lzo_decompress_bio()
435 		ret2 = btrfs_decompress_buf2page(workspace->buf, buf_start,  in lzo_decompress_bio()
452 	struct workspace *workspace = list_entry(ws, struct workspace, list);  in lzo_decompress()  local
476 	ret = lzo1x_decompress_safe(data_in, in_len, workspace->buf, &out_len);  in lzo_decompress()
496 	memcpy(kaddr, workspace->buf + start_byte, bytes);  in lzo_decompress()