Thanks. Pushed both patches.
Yehuda
On Thu, May 13, 2010 at 8:10 AM, Christian Brunner <chb@xxxxxx> wrote:
>
> avoid overwriting the rbd header when doing qemu-img create
> to resize a rbd image use rbdtool --resize instead
> ---
> block/rbd.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/block/rbd.c b/block/rbd.c
> index a182d5e..11b7c10 100644
> --- a/block/rbd.c
> +++ b/block/rbd.c
> @@ -163,6 +163,8 @@ static int rbd_create(const char *filename, QEMUOptionParameter * options)
> {
> int64_t bytes = 0;
> int64_t objsize;
> + uint64_t size;
> + time_t mtime;
> uint8_t obj_order = RBD_DEFAULT_OBJ_ORDER;
> char pool[RBD_MAX_SEG_NAME_SIZE];
> char n[RBD_MAX_SEG_NAME_SIZE];
> @@ -227,6 +229,12 @@ static int rbd_create(const char *filename, QEMUOptionParameter * options)
> return -EIO;
> }
>
> + ret = rados_stat(p, n, &size, &mtime);
> + if (ret == 0) {
> + ret=-EEXIST;
> + goto done;
> + }
> +
> ret = rados_write(p, n, 0, (const char *)&header, sizeof(header));
> if (ret < 0) {
> goto done;
> --
> 1.7.0.4
>
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