Re: [Qemu-devel] [PATCH] Fix COR by disabling BDRV_O_COPY_ON_READ before opening the backing_file.

[Kevin Wolf]

Am 26.10.2013 um 15:31 hat Max Reitz geschrieben:
> Am 25.10.2013 02:15, schrieb Thibaut LAURENT:
> > Since commit 0ebd24e0a203cf2852c310b59fbe050190dc6c8c,
> > bdrv_open_common will throw an error when trying to open a file
> > read-only with the BDRV_O_COPY_ON_READ flag set.
> > Although BDRV_O_RDWR is unset for the backing files,
> > BDRV_O_COPY_ON_READ is still passed on if copy-on-read was requested
> > for the drive. Let's unset this flag too before opening the backing
> > file, or bdrv_open_common will fail.
> >
> > Signed-off-by: Thibaut LAURENT <address@hidden>
> > ---
> >  block.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> Reviewed-by: Max Reitz <address@hidden>

Thanks, applied to the block branch. (And thanks for CCing me, Max, I
would have missed the patch otherwise.)

Kevin