diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/192 | 4 | ||||
| -rwxr-xr-x | tests/qemu-iotests/252 | 124 | ||||
| -rw-r--r-- | tests/qemu-iotests/252.out | 39 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 | ||||
| -rw-r--r-- | tests/test-block-iothread.c | 107 |
5 files changed, 274 insertions, 1 deletions
diff --git a/tests/qemu-iotests/192 b/tests/qemu-iotests/192 index 158086f9d2..61a88ac88d 100755 --- a/tests/qemu-iotests/192 +++ b/tests/qemu-iotests/192 @@ -29,7 +29,9 @@ status=1 # failure is the default! _cleanup() { - _cleanup_test_img + _cleanup_qemu + _cleanup_test_img + rm -f "$TEST_DIR/nbd" } trap "_cleanup; exit \$status" 0 1 2 3 15 diff --git a/tests/qemu-iotests/252 b/tests/qemu-iotests/252 new file mode 100755 index 0000000000..f6c8f71444 --- /dev/null +++ b/tests/qemu-iotests/252 @@ -0,0 +1,124 @@ +#!/usr/bin/env bash +# +# Tests for rebasing COW images that require zero cluster support +# +# Copyright (C) 2019 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# creator +owner=mreitz@redhat.com + +seq=$(basename $0) +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + rm -f "$TEST_IMG.base_new" +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.pattern + +# Currently only qcow2 and qed support rebasing, and only qcow2 v3 has +# zero cluster support +_supported_fmt qcow2 +_unsupported_imgopts 'compat=0.10' +_supported_proto file +_supported_os Linux + +CLUSTER_SIZE=65536 + +echo +echo "=== Test rebase without input base ===" +echo + +# Cluster allocations to be tested: +# +# Backing (new) 11 -- 11 -- 11 -- +# COW image 22 22 11 11 -- -- +# +# Expected result: +# +# COW image 22 22 11 11 00 -- +# +# (Cluster 2 might be "--" after the rebase, too, but rebase just +# compares the new backing file to the old one and disregards the +# overlay. Therefore, it will never discard overlay clusters.) + +_make_test_img $((6 * CLUSTER_SIZE)) +TEST_IMG="$TEST_IMG.base_new" _make_test_img $((6 * CLUSTER_SIZE)) + +echo + +$QEMU_IO "$TEST_IMG" \ + -c "write -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + -c "write -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + | _filter_qemu_io + +$QEMU_IO "$TEST_IMG.base_new" \ + -c "write -P 0x11 $((0 * CLUSTER_SIZE)) $CLUSTER_SIZE" \ + -c "write -P 0x11 $((2 * CLUSTER_SIZE)) $CLUSTER_SIZE" \ + -c "write -P 0x11 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" \ + | _filter_qemu_io + +echo + +# This should be a no-op +$QEMU_IMG rebase -b "" "$TEST_IMG" + +# Verify the data is correct +$QEMU_IO "$TEST_IMG" \ + -c "read -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + -c "read -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + -c "read -P 0x00 $((4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + | _filter_qemu_io + +echo + +# Verify the allocation status (first four cluster should be allocated +# in TEST_IMG, clusters 4 and 5 should be unallocated (marked as zero +# clusters here because there is no backing file)) +$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map + +echo + +$QEMU_IMG rebase -b "$TEST_IMG.base_new" "$TEST_IMG" + +# Verify the data is correct +$QEMU_IO "$TEST_IMG" \ + -c "read -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + -c "read -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + -c "read -P 0x00 $((4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \ + | _filter_qemu_io + +echo + +# Verify the allocation status (first four cluster should be allocated +# in TEST_IMG, cluster 4 should be zero, and cluster 5 should be +# unallocated (signified by '"depth": 1')) +$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map + + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/252.out b/tests/qemu-iotests/252.out new file mode 100644 index 0000000000..12dce889f8 --- /dev/null +++ b/tests/qemu-iotests/252.out @@ -0,0 +1,39 @@ +QA output created by 252 + +=== Test rebase without input base === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=393216 +Formatting 'TEST_DIR/t.IMGFMT.base_new', fmt=IMGFMT size=393216 + +wrote 131072/131072 bytes at offset 0 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 131072/131072 bytes at offset 131072 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 65536/65536 bytes at offset 0 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 65536/65536 bytes at offset 131072 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 65536/65536 bytes at offset 262144 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +read 131072/131072 bytes at offset 0 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 131072/131072 bytes at offset 131072 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 131072/131072 bytes at offset 262144 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +[{ "start": 0, "length": 262144, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, +{ "start": 262144, "length": 131072, "depth": 0, "zero": true, "data": false}] + +read 131072/131072 bytes at offset 0 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 131072/131072 bytes at offset 131072 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 131072/131072 bytes at offset 262144 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +[{ "start": 0, "length": 262144, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, +{ "start": 262144, "length": 65536, "depth": 0, "zero": true, "data": false}, +{ "start": 327680, "length": 65536, "depth": 1, "zero": true, "data": false}] +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 7ac9a5ea4a..00e474ab0a 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -249,3 +249,4 @@ 247 rw auto quick 248 rw auto quick 249 rw auto quick +252 rw auto backing quick diff --git a/tests/test-block-iothread.c b/tests/test-block-iothread.c index 97ac0b159d..036ed9a3b3 100644 --- a/tests/test-block-iothread.c +++ b/tests/test-block-iothread.c @@ -354,6 +354,111 @@ static void test_sync_op(const void *opaque) blk_unref(blk); } +typedef struct TestBlockJob { + BlockJob common; + bool should_complete; + int n; +} TestBlockJob; + +static int test_job_prepare(Job *job) +{ + g_assert(qemu_get_current_aio_context() == qemu_get_aio_context()); + return 0; +} + +static int coroutine_fn test_job_run(Job *job, Error **errp) +{ + TestBlockJob *s = container_of(job, TestBlockJob, common.job); + + job_transition_to_ready(&s->common.job); + while (!s->should_complete) { + s->n++; + g_assert(qemu_get_current_aio_context() == job->aio_context); + + /* Avoid job_sleep_ns() because it marks the job as !busy. We want to + * emulate some actual activity (probably some I/O) here so that the + * drain involved in AioContext switches has to wait for this activity + * to stop. */ + qemu_co_sleep_ns(QEMU_CLOCK_REALTIME, 1000000); + + job_pause_point(&s->common.job); + } + + g_assert(qemu_get_current_aio_context() == job->aio_context); + return 0; +} + +static void test_job_complete(Job *job, Error **errp) +{ + TestBlockJob *s = container_of(job, TestBlockJob, common.job); + s->should_complete = true; +} + +BlockJobDriver test_job_driver = { + .job_driver = { + .instance_size = sizeof(TestBlockJob), + .free = block_job_free, + .user_resume = block_job_user_resume, + .drain = block_job_drain, + .run = test_job_run, + .complete = test_job_complete, + .prepare = test_job_prepare, + }, +}; + +static void test_attach_blockjob(void) +{ + IOThread *iothread = iothread_new(); + AioContext *ctx = iothread_get_aio_context(iothread); + BlockBackend *blk; + BlockDriverState *bs; + TestBlockJob *tjob; + + blk = blk_new(BLK_PERM_ALL, BLK_PERM_ALL); + bs = bdrv_new_open_driver(&bdrv_test, "base", BDRV_O_RDWR, &error_abort); + blk_insert_bs(blk, bs, &error_abort); + + tjob = block_job_create("job0", &test_job_driver, NULL, bs, + 0, BLK_PERM_ALL, + 0, 0, NULL, NULL, &error_abort); + job_start(&tjob->common.job); + + while (tjob->n == 0) { + aio_poll(qemu_get_aio_context(), false); + } + + blk_set_aio_context(blk, ctx); + + tjob->n = 0; + while (tjob->n == 0) { + aio_poll(qemu_get_aio_context(), false); + } + + aio_context_acquire(ctx); + blk_set_aio_context(blk, qemu_get_aio_context()); + aio_context_release(ctx); + + tjob->n = 0; + while (tjob->n == 0) { + aio_poll(qemu_get_aio_context(), false); + } + + blk_set_aio_context(blk, ctx); + + tjob->n = 0; + while (tjob->n == 0) { + aio_poll(qemu_get_aio_context(), false); + } + + aio_context_acquire(ctx); + job_complete_sync(&tjob->common.job, &error_abort); + blk_set_aio_context(blk, qemu_get_aio_context()); + aio_context_release(ctx); + + bdrv_unref(bs); + blk_unref(blk); +} + int main(int argc, char **argv) { int i; @@ -368,5 +473,7 @@ int main(int argc, char **argv) g_test_add_data_func(t->name, t, test_sync_op); } + g_test_add_func("/attach/blockjob", test_attach_blockjob); + return g_test_run(); } |