Revision 593fb83c block/qcow2.h
| b/block/qcow2.h | ||
|---|---|---|
| 196 | 196 |
|
| 197 | 197 |
struct QCowAIOCB; |
| 198 | 198 |
|
| 199 |
typedef struct Qcow2COWRegion {
|
|
| 200 |
/** |
|
| 201 |
* Offset of the COW region in bytes from the start of the first cluster |
|
| 202 |
* touched by the request. |
|
| 203 |
*/ |
|
| 204 |
uint64_t offset; |
|
| 205 |
|
|
| 206 |
/** Number of sectors to copy */ |
|
| 207 |
int nb_sectors; |
|
| 208 |
} Qcow2COWRegion; |
|
| 209 |
|
|
| 199 | 210 |
/* XXX This could be private for qcow2-cluster.c */ |
| 200 | 211 |
typedef struct QCowL2Meta |
| 201 | 212 |
{
|
| ... | ... | |
| 209 | 220 |
uint64_t alloc_offset; |
| 210 | 221 |
|
| 211 | 222 |
/** |
| 212 |
* Number of sectors between the start of the first allocated cluster and |
|
| 213 |
* the area that the guest actually writes to. |
|
| 214 |
*/ |
|
| 215 |
int n_start; |
|
| 216 |
|
|
| 217 |
/** |
|
| 218 | 223 |
* Number of sectors from the start of the first allocated cluster to |
| 219 | 224 |
* the end of the (possibly shortened) request |
| 220 | 225 |
*/ |
| ... | ... | |
| 229 | 234 |
*/ |
| 230 | 235 |
CoQueue dependent_requests; |
| 231 | 236 |
|
| 237 |
/** |
|
| 238 |
* The COW Region between the start of the first allocated cluster and the |
|
| 239 |
* area the guest actually writes to. |
|
| 240 |
*/ |
|
| 241 |
Qcow2COWRegion cow_start; |
|
| 242 |
|
|
| 243 |
/** |
|
| 244 |
* The COW Region between the area the guest actually writes to and the |
|
| 245 |
* end of the last allocated cluster. |
|
| 246 |
*/ |
|
| 247 |
Qcow2COWRegion cow_end; |
|
| 248 |
|
|
| 232 | 249 |
QLIST_ENTRY(QCowL2Meta) next_in_flight; |
| 233 | 250 |
} QCowL2Meta; |
| 234 | 251 |
|
Also available in: Unified diff