On Tue, Jun 14, 2016 at 03:30:24PM -0600, Eric Blake wrote: > We don't pass any flags on to drivers to handle. Tighten an > assert to explain why we pass 0 to bdrv_driver_preadv(), and add > some comments on things to be aware of if we want to turn on > per-BDS BDRV_REQ_FUA support during reads in the future. Also, > document that we may want to consider using unmap during > copy-on-read operations where the read is all zeroes. > > Signed-off-by: Eric Blake <ebl...@redhat.com> > > --- > v2: retitle from 'Honor flags during bdrv_aligned_preadv()', and > change scope of patch > --- > block/io.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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