From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34560) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UuO9U-0001aj-0i for qemu-devel@nongnu.org; Wed, 03 Jul 2013 10:35:25 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UuO9S-0006Zl-Iy for qemu-devel@nongnu.org; Wed, 03 Jul 2013 10:35:23 -0400 Received: from mail-qc0-x232.google.com ([2607:f8b0:400d:c01::232]:37331) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UuO9S-0006ZK-EB for qemu-devel@nongnu.org; Wed, 03 Jul 2013 10:35:22 -0400 Received: by mail-qc0-f178.google.com with SMTP id c11so126359qcv.23 for ; Wed, 03 Jul 2013 07:35:22 -0700 (PDT) Sender: Paolo Bonzini From: Paolo Bonzini Date: Wed, 3 Jul 2013 16:34:29 +0200 Message-Id: <1372862071-28225-16-git-send-email-pbonzini@redhat.com> In-Reply-To: <1372862071-28225-1-git-send-email-pbonzini@redhat.com> References: <1372862071-28225-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PATCH 15/17] raw-posix: detect XFS unwritten extents List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, pl@kamp.de, stefanha@redhat.com Signed-off-by: Paolo Bonzini --- block/raw-posix.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/block/raw-posix.c b/block/raw-posix.c index d011cfd..1b41ea3 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -1128,6 +1128,9 @@ static int64_t coroutine_fn raw_co_get_block_status(BlockDriverState *bs, } else { data = f.fe.fe_logical; hole = f.fe.fe_logical + f.fe.fe_length; + if (f.fe.fe_flags & FIEMAP_EXTENT_UNWRITTEN) { + ret |= BDRV_BLOCK_ZERO; + } } #elif defined SEEK_HOLE && defined SEEK_DATA -- 1.8.2.1