uint64_t oid;
uint64_t cow_oid;
uint8_t copies;
- uint8_t reserved[7];
+ uint8_t copy_policy;
+ uint8_t reserved[6];
uint64_t offset;
} SheepdogObjReq;
uint32_t data_length;
uint32_t result;
uint8_t copies;
- uint8_t reserved[3];
+ uint8_t copy_policy;
+ uint8_t reserved[2];
uint32_t pad[6];
} SheepdogObjRsp;
uint64_t vdi_size;
uint32_t vdi_id;
uint8_t copies;
- uint8_t reserved[3];
+ uint8_t copy_policy;
+ uint8_t reserved[2];
uint32_t snapid;
uint32_t pad[3];
} SheepdogVdiReq;
}
static int do_sd_create(BDRVSheepdogState *s, char *filename, int64_t vdi_size,
- uint32_t base_vid, uint32_t *vdi_id, int snapshot)
+ uint32_t base_vid, uint32_t *vdi_id, int snapshot,
+ uint8_t copy_policy)
{
SheepdogVdiReq hdr;
SheepdogVdiRsp *rsp = (SheepdogVdiRsp *)&hdr;
hdr.data_length = wlen;
hdr.vdi_size = vdi_size;
+ hdr.copy_policy = copy_policy;
ret = do_req(fd, (SheepdogReq *)&hdr, buf, &wlen, &rlen);
bdrv_unref(bs);
}
- ret = do_sd_create(s, vdi, vdi_size, base_vid, &vid, 0);
+ /* TODO: allow users to specify copy number */
+ ret = do_sd_create(s, vdi, vdi_size, base_vid, &vid, 0, 0);
if (!prealloc || ret) {
goto out;
}
*/
deleted = sd_delete(s);
ret = do_sd_create(s, s->name, s->inode.vdi_size, s->inode.vdi_id, &vid,
- !deleted);
+ !deleted, s->inode.copy_policy);
if (ret) {
goto out;
}
}
ret = do_sd_create(s, s->name, s->inode.vdi_size, s->inode.vdi_id, &new_vid,
- 1);
+ 1, s->inode.copy_policy);
if (ret < 0) {
error_report("failed to create inode for snapshot. %s",
strerror(errno));