Hi,
On Mon, Aug 24, 2015 at 01:27:42PM +0200, Martin Kletzander wrote:
> On Mon, Aug 24, 2015 at 12:55:22PM +0200, Guido Günther wrote:
> >While a zero allocation in safezero should be fine it isn't when we use
> >posix_fallocate which returns EINVAL on a zero allocation.
> >
> >While we could skip the zero allocation in safezero_posix_fallocate it's
> >an optimization to do it for all allocations.
> >
> >This fixes vm installation via virtinst for me which otherwise aborts
> >like:
> >
> > Starting install...
> > Retrieving file linux... | 5.9 MB 00:01 ...
> > Retrieving file initrd.gz... | 29 MB 00:07 ...
> > ERROR Couldn't create storage volume 'virtinst-linux.sBgds4': 'cannot
> > fill file '/var/lib/libvirt/boot/virtinst-linux.sBgds4': Invalid argument'
> >
> >The error was introduced by e30297b0 as spotted by Chunyan Liu
> >---
> >Only the commit message got adjusted.
> >
>
> ACK, that's a possible one.
Pushed now. Thanks!
-- Guido
>
> >src/storage/storage_backend.c | 2 +-
> >1 file changed, 1 insertion(+), 1 deletion(-)
> >
> >diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
> >index db49739..0418473 100644
> >--- a/src/storage/storage_backend.c
> >+++ b/src/storage/storage_backend.c
> >@@ -455,7 +455,7 @@ createRawFile(int fd, virStorageVolDefPtr vol,
> > pos = inputvol->target.capacity - remain;
> > }
> >
> >- if (need_alloc) {
> >+ if (need_alloc && (vol->target.allocation - pos > 0)) {
> > if (safezero(fd, pos, vol->target.allocation - pos) < 0) {
> > ret = -errno;
> > virReportSystemError(errno, _("cannot fill file '%s'"),
> >--
> >2.1.4
--
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