Message ID | 1487689130-30373-3-git-send-email-kwolf@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 21.02.2017 15:57, Kevin Wolf wrote: > In order to able to conver bdrv_truncate() to take a BdrvChild and > later to correctly check the resize permission here, we need to use a > BlockBackend for resizing the image. > > Signed-off-by: Kevin Wolf <kwolf@redhat.com> > --- > block/qcow2.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) Reviewed-by: Max Reitz <mreitz@redhat.com>
On 02/21/2017 08:57 AM, Kevin Wolf wrote: > In order to able to conver bdrv_truncate() to take a BdrvChild and s/conver/convert/ > later to correctly check the resize permission here, we need to use a > BlockBackend for resizing the image. > > Signed-off-by: Kevin Wolf <kwolf@redhat.com> > --- > block/qcow2.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) >
diff --git a/block/qcow2.c b/block/qcow2.c index 3e274bd..254545a 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -3250,7 +3250,11 @@ static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts, } if (new_size) { - ret = bdrv_truncate(bs, new_size); + BlockBackend *blk = blk_new(); + blk_insert_bs(blk, bs); + ret = blk_truncate(blk, new_size); + blk_unref(blk); + if (ret < 0) { return ret; }
In order to able to conver bdrv_truncate() to take a BdrvChild and later to correctly check the resize permission here, we need to use a BlockBackend for resizing the image. Signed-off-by: Kevin Wolf <kwolf@redhat.com> --- block/qcow2.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)