blanking support
[qemu.git] / cow.h
blob5b5f497ed32e97a4b77de0a932dc86c9e4815af0
1 /* user mode linux compatible COW file */
2 #define COW_MAGIC 0x4f4f4f4d /* MOOO */
3 #define COW_VERSION 2
5 struct cow_header_v2 {
6 uint32_t magic;
7 uint32_t version;
8 char backing_file[1024];
9 int32_t mtime;
10 uint64_t size;
11 uint32_t sectorsize;