From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37618) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlGAt-0004e1-78 for qemu-devel@nongnu.org; Mon, 03 Nov 2014 06:52:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XlGAn-0000O6-1z for qemu-devel@nongnu.org; Mon, 03 Nov 2014 06:51:55 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41356) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XlGAm-0000N3-R1 for qemu-devel@nongnu.org; Mon, 03 Nov 2014 06:51:48 -0500 From: Stefan Hajnoczi Date: Mon, 3 Nov 2014 11:50:23 +0000 Message-Id: <1415015456-25086-21-git-send-email-stefanha@redhat.com> In-Reply-To: <1415015456-25086-1-git-send-email-stefanha@redhat.com> References: <1415015456-25086-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 20/53] iotests: Add test for external image truncation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Stefan Hajnoczi , Max Reitz From: Max Reitz It should not be happening, but it is possible to truncate an image outside of qemu while qemu is running (or any of the qemu tools using the block layer. raw_co_get_block_status() should not break then. While touching this test, replace the existing "truncate" invocation by "$QEMU_IMG convert -f raw". Signed-off-by: Max Reitz Reviewed-by: Kevin Wolf Reviewed-by: Eric Blake Message-id: 1414148280-17949-4-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi --- tests/qemu-iotests/102 | 21 +++++++++++++++++++-- tests/qemu-iotests/102.out | 11 +++++++++++ 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/tests/qemu-iotests/102 b/tests/qemu-iotests/102 index 34b363f..161b197 100755 --- a/tests/qemu-iotests/102 +++ b/tests/qemu-iotests/102 @@ -34,9 +34,10 @@ _cleanup() } trap "_cleanup; exit \$status" 0 1 2 3 15 -# get standard environment, filters and checks +# get standard environment, filters and qemu instance handling . ./common.rc . ./common.filter +. ./common.qemu _supported_fmt qcow2 _supported_proto file @@ -53,11 +54,27 @@ _make_test_img $IMG_SIZE $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io # Remove data cluster from image (first cluster: image header, second: reftable, # third: refblock, fourth: L1 table, fifth: L2 table) -truncate -s $((5 * 64 * 1024)) "$TEST_IMG" +$QEMU_IMG resize -f raw "$TEST_IMG" $((5 * 64 * 1024)) $QEMU_IO -c map "$TEST_IMG" $QEMU_IMG map "$TEST_IMG" +echo +echo '=== Testing map on an image file truncated outside of qemu ===' +echo + +# Same as above, only now we concurrently truncate and map the image +_make_test_img $IMG_SIZE +$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io + +qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0 + +$QEMU_IMG resize -f raw "$TEST_IMG" $((5 * 64 * 1024)) + +_send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \ + | sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/' +_send_qemu_cmd $QEMU_HANDLE 'quit' '' + # success, all done echo '*** done' rm -f $seq.full diff --git a/tests/qemu-iotests/102.out b/tests/qemu-iotests/102.out index e0e9cdc..eecde16 100644 --- a/tests/qemu-iotests/102.out +++ b/tests/qemu-iotests/102.out @@ -5,6 +5,17 @@ QA output created by 102 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536 wrote 65536/65536 bytes at offset 0 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Image resized. [ 0] 128/ 128 sectors allocated at offset 0 bytes (1) Offset Length Mapped to File + +=== Testing map on an image file truncated outside of qemu === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536 +wrote 65536/65536 bytes at offset 0 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Image resized. +QEMU X.Y.Z monitor - type 'help' for more information +(qemu) qemu-io drv0 map +[ 0] 128/ 128 sectors allocated at offset 0 bytes (1) *** done -- 1.9.3