On 06/11/2013 13:03, Paolo Bonzini wrote:
Il 06/11/2013 13:56, Charlie Shepherd ha scritto:
Rather than unnecessarily setting bits that are already set, re-use
cow_find_streak to find how
many bits are already set for this sector, and only set unset bits. Do this
before the flush to
avoid it i
Il 06/11/2013 13:56, Charlie Shepherd ha scritto:
> Rather than unnecessarily setting bits that are already set, re-use
> cow_find_streak to find how
> many bits are already set for this sector, and only set unset bits. Do this
> before the flush to
> avoid it if no bits need to be set at all.
>
Rather than unnecessarily setting bits that are already set, re-use
cow_find_streak to find how
many bits are already set for this sector, and only set unset bits. Do this
before the flush to
avoid it if no bits need to be set at all.
Signed-off-by: Charlie Shepherd
---
block/cow.c | 12 ++
