tree 196a71f34402aae6cfded4d54d65df548b24483a
parent e641c1e81e54fc14908ff6785ef7d51e42c2e1bb
author Paolo Bonzini <pbonzini@redhat.com> 1378314021 +0200
committer Stefan Hajnoczi <stefanha@redhat.com> 1378473908 +0200

block: keep bs->total_sectors up to date even for growable block devices

If a BlockDriverState is growable, after every write we need to
check if bs->total_sectors might have changed.  With this change,
bdrv_getlength does not need anymore a system call.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>