Looks good to me:
Reviewed-by: Christian Brunner <chb@xxxxxx>
2011/5/24 Josh Durgin <josh.durgin@xxxxxxxxxxxxx>:
> Signed-off-by: Josh Durgin <josh.durgin@xxxxxxxxxxxxx>
> ---
> block/rbd.c | 15 +++++++++++++++
> 1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/block/rbd.c b/block/rbd.c
> index c9f32e4..015ae8e 100644
> --- a/block/rbd.c
> +++ b/block/rbd.c
> @@ -687,6 +687,20 @@ static int64_t qemu_rbd_getlength(BlockDriverState *bs)
> return info.size;
> }
>
> +static int qemu_rbd_truncate(BlockDriverState *bs, int64_t offset)
> +{
> + BDRVRBDState *s = bs->opaque;
> + int r;
> +
> + r = rbd_resize(s->image, offset);
> + if (r < 0) {
> + error_report("failed to resize rbd image");
> + return -EIO;
> + }
> +
> + return 0;
> +}
> +
> static int qemu_rbd_snap_create(BlockDriverState *bs,
> QEMUSnapshotInfo *sn_info)
> {
> @@ -785,6 +799,7 @@ static BlockDriver bdrv_rbd = {
> .bdrv_get_info = qemu_rbd_getinfo,
> .create_options = qemu_rbd_create_options,
> .bdrv_getlength = qemu_rbd_getlength,
> + .bdrv_truncate = qemu_rbd_truncate,
> .protocol_name = "rbd",
>
> .bdrv_aio_readv = qemu_rbd_aio_readv,
> --
> 1.7.2.3
>
>
>
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