On Fri, Dec 23, 2016 at 05:28:44PM +0300, Vladimir Sementsov-Ogievskiy wrote: > Use HBitmap copy_bitmap instead of done_bitmap. This is needed to unify > backup loop for full/incremental modes in future patches. > > We reset bit of the copy_bitmap immediately after checking it in > backup_do_cow(). It is safe, because all other intersecting requests > will wait for our request finish anyway. > > The other difference is that in case of error we will have zeroed bit in > copy_bitmap, when in done_bitmap we have not set bit. > > Signed-off-by: Vladimir Sementsov-Ogievskiy <[email protected]> > --- > block/backup.c | 17 ++++++++++------- > 1 file changed, 10 insertions(+), 7 deletions(-)
Reviewed-by: Stefan Hajnoczi <[email protected]>
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