diff options
Diffstat (limited to 'block/sheepdog.c')
| -rw-r--r-- | block/sheepdog.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/block/sheepdog.c b/block/sheepdog.c index 08d7b11e9d..b7b7e6bbe5 100644 --- a/block/sheepdog.c +++ b/block/sheepdog.c @@ -2153,13 +2153,20 @@ static int64_t sd_getlength(BlockDriverState *bs) return s->inode.vdi_size; } -static int sd_truncate(BlockDriverState *bs, int64_t offset, Error **errp) +static int sd_truncate(BlockDriverState *bs, int64_t offset, + PreallocMode prealloc, Error **errp) { BDRVSheepdogState *s = bs->opaque; int ret, fd; unsigned int datalen; uint64_t max_vdi_size; + if (prealloc != PREALLOC_MODE_OFF) { + error_setg(errp, "Unsupported preallocation mode '%s'", + PreallocMode_lookup[prealloc]); + return -ENOTSUP; + } + max_vdi_size = (UINT64_C(1) << s->inode.block_size_shift) * MAX_DATA_OBJS; if (offset < s->inode.vdi_size) { error_setg(errp, "shrinking is not supported"); @@ -2448,7 +2455,7 @@ static coroutine_fn int sd_co_writev(BlockDriverState *bs, int64_t sector_num, BDRVSheepdogState *s = bs->opaque; if (offset > s->inode.vdi_size) { - ret = sd_truncate(bs, offset, NULL); + ret = sd_truncate(bs, offset, PREALLOC_MODE_OFF, NULL); if (ret < 0) { return ret; } |