diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/sheepdog.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c index b8a2985cd9..9f0757bd69 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -126,7 +126,8 @@ typedef struct SheepdogObjReq { 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; @@ -139,7 +140,8 @@ typedef struct SheepdogObjRsp { 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; @@ -153,7 +155,8 @@ typedef struct SheepdogVdiReq { 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; @@ -1346,7 +1349,8 @@ out: } 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; @@ -1376,6 +1380,7 @@ static int do_sd_create(BDRVSheepdogState *s, char *filename, int64_t vdi_size, hdr.data_length = wlen; hdr.vdi_size = vdi_size; + hdr.copy_policy = copy_policy; ret = do_req(fd, (SheepdogReq *)&hdr, buf, &wlen, &rlen); @@ -1528,7 +1533,8 @@ static int sd_create(const char *filename, QEMUOptionParameter *options, 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; } @@ -1718,7 +1724,7 @@ static int sd_create_branch(BDRVSheepdogState *s) */ 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; } @@ -2008,7 +2014,7 @@ static int sd_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info) } 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)); |