Searched hist:"5669 b44de5b3b607a3a4749e0c8c5ddfd723e76b" (Results 1 – 1 of 1) sorted by relevance
| /openbmc/qemu/ |
| H A D | block.c | diff 5669b44de5b3b607a3a4749e0c8c5ddfd723e76b Fri Apr 11 14:36:45 CDT 2014 Kevin Wolf <kwolf@redhat.com> block: Remove BDRV_O_COPY_ON_READ for bs->file
Copy on Read makes sense on the format level where backing files are
implemented, but it's not required on the protocol level. While it
shouldn't actively break anything to have COR enabled on both layers,
needless serialisation and allocation checks may impact performance.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
|