Am 25.05.2011 22:34, schrieb Josh Durgin:
> Signed-off-by: Josh Durgin <josh.dur...@dreamhost.com>
> ---
> block/rbd.c | 15 +++++++++++++++
> 1 files changed, 15 insertions(+), 0 deletions(-)
>
> diff --git a/block/rbd.c b/block/rbd.c
> index a44d160..b95b1eb 100644
> --- a/block/rbd.c
> +++ b/block/rbd.c
> @@ -688,6 +688,20 @@ 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;
> + }
Don't print an error message here. The caller will do it, too, so we end
up with two error messages saying the same.
What kind of error code does rbd_resize return? If it is a valid errno
value, you should return r instead of turning it into EIO.
Kevin
