diff options
Diffstat (limited to 'block/sheepdog.c')
| -rw-r--r-- | block/sheepdog.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c index cc1d37b3da..d300fb69c0 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -1826,14 +1826,14 @@ static int do_sd_create(BDRVSheepdogState *s, uint32_t *vdi_id, int snapshot, return 0; } -static int sd_prealloc(BlockDriverState *bs, Error **errp) +static int sd_prealloc(BlockDriverState *bs, int64_t old_size, int64_t new_size, + Error **errp) { BlockBackend *blk = NULL; BDRVSheepdogState *base = bs->opaque; unsigned long buf_size; uint32_t idx, max_idx; uint32_t object_size; - int64_t vdi_size; void *buf = NULL; int ret; @@ -1847,19 +1847,13 @@ static int sd_prealloc(BlockDriverState *bs, Error **errp) blk_set_allow_write_beyond_eof(blk, true); - vdi_size = blk_getlength(blk); - if (vdi_size < 0) { - ret = vdi_size; - goto out; - } - object_size = (UINT32_C(1) << base->inode.block_size_shift); buf_size = MIN(object_size, SD_DATA_OBJ_SIZE); buf = g_malloc0(buf_size); - max_idx = DIV_ROUND_UP(vdi_size, buf_size); + max_idx = DIV_ROUND_UP(new_size, buf_size); - for (idx = 0; idx < max_idx; idx++) { + for (idx = old_size / buf_size; idx < max_idx; idx++) { /* * The created image can be a cloned image, so we need to read * a data from the source image. @@ -2119,7 +2113,7 @@ static int sd_create(const char *filename, QemuOpts *opts, goto out; } - ret = sd_prealloc(bs, errp); + ret = sd_prealloc(bs, 0, s->inode.vdi_size, errp); bdrv_unref(bs); } |