As we change bdrv_is_allocated to gather more information from bs and
bs->file, it will become a bit slower. It is still appropriate for online
jobs, but not for reads/writes. Call the internal function instead.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
int ret, n;
while (nb_sectors > 0) {
- if (bdrv_co_is_allocated(bs, sector_num, nb_sectors, &n)) {
+ if (cow_co_is_allocated(bs, sector_num, nb_sectors, &n)) {
ret = bdrv_pread(bs->file,
s->cow_sectors_offset + sector_num * 512,
buf, n * 512);