113 lines
3.9 KiB
Diff
113 lines
3.9 KiB
Diff
From d8776fd50df7bb5cddfc94126356f8b5084f5344 Mon Sep 17 00:00:00 2001
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From: Max Reitz <mreitz@redhat.com>
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Date: Mon, 13 Jul 2020 14:24:50 -0400
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Subject: [PATCH 3/4] iotests/026: Test EIO on allocation in a data-file
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RH-Author: Max Reitz <mreitz@redhat.com>
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Message-id: <20200713142451.289703-4-mreitz@redhat.com>
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Patchwork-id: 97955
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O-Subject: [RHEL-8.3.0 qemu-kvm PATCH 3/4] iotests/026: Test EIO on allocation in a data-file
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Bugzilla: 1807057
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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Test what happens when writing data to an external data file, where the
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write requires an L2 entry to be allocated, but the data write fails.
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Message-Id: <20200225143130.111267-4-mreitz@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 81311255f217859413c94f2cd9cebf2684bbda94)
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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tests/qemu-iotests/026 | 32 ++++++++++++++++++++++++++++++
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tests/qemu-iotests/026.out | 6 ++++++
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tests/qemu-iotests/026.out.nocache | 6 ++++++
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3 files changed, 44 insertions(+)
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diff --git a/tests/qemu-iotests/026 b/tests/qemu-iotests/026
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index d89729697f..c1c96a41d9 100755
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--- a/tests/qemu-iotests/026
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+++ b/tests/qemu-iotests/026
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@@ -30,6 +30,7 @@ _cleanup()
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{
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_cleanup_test_img
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rm "$TEST_DIR/blkdebug.conf"
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+ rm -f "$TEST_IMG.data_file"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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@@ -236,6 +237,37 @@ $QEMU_IO -c "write 0 $CLUSTER_SIZE" "$BLKDBG_TEST_IMG" | _filter_qemu_io
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_check_test_img
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+echo
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+echo === Avoid freeing external data clusters on failure ===
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+echo
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+
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+# Similar test as the last one, except we test what happens when there
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+# is an error when writing to an external data file instead of when
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+# writing to a preallocated zero cluster
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+_make_test_img -o "data_file=$TEST_IMG.data_file" $CLUSTER_SIZE
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+
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+# Put blkdebug above the data-file, and a raw node on top of that so
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+# that blkdebug will see a write_aio event and emit an error
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+$QEMU_IO -c "write 0 $CLUSTER_SIZE" \
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+ "json:{
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+ 'driver': 'qcow2',
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+ 'file': { 'driver': 'file', 'filename': '$TEST_IMG' },
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+ 'data-file': {
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+ 'driver': 'raw',
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+ 'file': {
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+ 'driver': 'blkdebug',
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+ 'config': '$TEST_DIR/blkdebug.conf',
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+ 'image': {
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+ 'driver': 'file',
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+ 'filename': '$TEST_IMG.data_file'
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+ }
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+ }
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+ }
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+ }" \
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+ | _filter_qemu_io
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+
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+_check_test_img
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+
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# success, all done
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echo "*** done"
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rm -f $seq.full
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diff --git a/tests/qemu-iotests/026.out b/tests/qemu-iotests/026.out
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index 83989996ff..c1b3b58482 100644
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--- a/tests/qemu-iotests/026.out
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+++ b/tests/qemu-iotests/026.out
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@@ -653,4 +653,10 @@ wrote 1024/1024 bytes at offset 0
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1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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write failed: Input/output error
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No errors were found on the image.
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+
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+=== Avoid freeing external data clusters on failure ===
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+
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+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1024 data_file=TEST_DIR/t.IMGFMT.data_file
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+write failed: Input/output error
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+No errors were found on the image.
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*** done
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diff --git a/tests/qemu-iotests/026.out.nocache b/tests/qemu-iotests/026.out.nocache
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index 9359d26d7e..8d5001648a 100644
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--- a/tests/qemu-iotests/026.out.nocache
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+++ b/tests/qemu-iotests/026.out.nocache
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@@ -661,4 +661,10 @@ wrote 1024/1024 bytes at offset 0
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1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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write failed: Input/output error
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No errors were found on the image.
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+
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+=== Avoid freeing external data clusters on failure ===
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+
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+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1024 data_file=TEST_DIR/t.IMGFMT.data_file
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+write failed: Input/output error
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+No errors were found on the image.
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*** done
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--
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2.27.0
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