Block patches for 2.11.0-rc1

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Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2017-11-14' into staging

Block patches for 2.11.0-rc1

# gpg: Signature made Tue 14 Nov 2017 17:22:17 GMT
# gpg:                using RSA key 0xF407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2017-11-14:
  qemu-iotests: update unsupported image formats in 194
  block/parallels: add migration blocker
  block/parallels: Do not update header or truncate image when INMIGRATE
  block/vhdx.c: Don't blindly update the header
  iotests: 077: Filter out 'resume' lines
  block/snapshot: dirty all dirty bitmaps on snapshot-switch
  qcow2: Check that corrupted images can be repaired in iotest 060
  iotests: Use new-style NBD connections
  iotests: Make 136 less flaky
  iotests: Make 083 less flaky
  iotests: Make 055 less flaky
  iotests: Add missing 'blkdebug::' in 040
  iotests: Make 030 less flaky
  qcow2: Assert that the crypto header does not overlap other metadata
  qcow2: Add iotest for an empty refcount table
  qcow2: Add iotest for an image with header.refcount_table_offset == 0
  qcow2: Don't open images with header.refcount_table_clusters == 0
  qcow2: Prevent allocating compressed clusters at offset 0
  qcow2: Prevent allocating L2 tables at offset 0
  qcow2: Prevent allocating refcount blocks at offset 0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-11-14 17:35:41 +00:00
commit 03d1cbe320
17 changed files with 281 additions and 61 deletions

View file

@ -35,6 +35,7 @@
#include "qemu/module.h"
#include "qemu/bswap.h"
#include "qemu/bitmap.h"
#include "migration/blocker.h"
/**************************************************************/
@ -100,6 +101,7 @@ typedef struct BDRVParallelsState {
unsigned int tracks;
unsigned int off_multiplier;
Error *migration_blocker;
} BDRVParallelsState;
@ -708,7 +710,7 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
s->prealloc_mode = PRL_PREALLOC_MODE_FALLOCATE;
}
if (flags & BDRV_O_RDWR) {
if ((flags & BDRV_O_RDWR) && !(flags & BDRV_O_INACTIVE)) {
s->header->inuse = cpu_to_le32(HEADER_INUSE_MAGIC);
ret = parallels_update_header(bs);
if (ret < 0) {
@ -720,6 +722,16 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
s->bat_dirty_bmap =
bitmap_new(DIV_ROUND_UP(s->header_size, s->bat_dirty_block));
/* Disable migration until bdrv_invalidate_cache method is added */
error_setg(&s->migration_blocker, "The Parallels format used by node '%s' "
"does not support live migration",
bdrv_get_device_or_node_name(bs));
ret = migrate_add_blocker(s->migration_blocker, &local_err);
if (local_err) {
error_propagate(errp, local_err);
error_free(s->migration_blocker);
goto fail;
}
qemu_co_mutex_init(&s->lock);
return 0;
@ -741,18 +753,18 @@ static void parallels_close(BlockDriverState *bs)
{
BDRVParallelsState *s = bs->opaque;
if (bs->open_flags & BDRV_O_RDWR) {
if ((bs->open_flags & BDRV_O_RDWR) && !(bs->open_flags & BDRV_O_INACTIVE)) {
s->header->inuse = 0;
parallels_update_header(bs);
}
if (bs->open_flags & BDRV_O_RDWR) {
bdrv_truncate(bs->file, s->data_end << BDRV_SECTOR_BITS,
PREALLOC_MODE_OFF, NULL);
}
g_free(s->bat_dirty_bmap);
qemu_vfree(s->header);
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
}
static QemuOptsList parallels_create_opts = {

View file

@ -278,6 +278,14 @@ static int l2_allocate(BlockDriverState *bs, int l1_index, uint64_t **table)
goto fail;
}
/* If we're allocating the table at offset 0 then something is wrong */
if (l2_offset == 0) {
qcow2_signal_corruption(bs, true, -1, -1, "Preventing invalid "
"allocation of L2 table at offset 0");
ret = -EIO;
goto fail;
}
ret = qcow2_cache_flush(bs, s->refcount_block_cache);
if (ret < 0) {
goto fail;

View file

@ -367,6 +367,13 @@ static int alloc_refcount_block(BlockDriverState *bs,
return new_block;
}
/* If we're allocating the block at offset 0 then something is wrong */
if (new_block == 0) {
qcow2_signal_corruption(bs, true, -1, -1, "Preventing invalid "
"allocation of refcount block at offset 0");
return -EIO;
}
#ifdef DEBUG_ALLOC2
fprintf(stderr, "qcow2: Allocate refcount block %d for %" PRIx64
" at %" PRIx64 "\n",
@ -1075,6 +1082,13 @@ int64_t qcow2_alloc_bytes(BlockDriverState *bs, int size)
return new_cluster;
}
if (new_cluster == 0) {
qcow2_signal_corruption(bs, true, -1, -1, "Preventing invalid "
"allocation of compressed cluster "
"at offset 0");
return -EIO;
}
if (!offset || ROUND_UP(offset, s->cluster_size) != new_cluster) {
offset = new_cluster;
free_in_cluster = s->cluster_size;

View file

@ -126,6 +126,7 @@ static ssize_t qcow2_crypto_hdr_init_func(QCryptoBlock *block, size_t headerlen,
/* Zero fill remaining space in cluster so it has predictable
* content in case of future spec changes */
clusterlen = size_to_clusters(s, headerlen) * s->cluster_size;
assert(qcow2_pre_write_overlap_check(bs, 0, ret, clusterlen) == 0);
ret = bdrv_pwrite_zeroes(bs->file,
ret + headerlen,
clusterlen - headerlen, 0);
@ -1280,6 +1281,12 @@ static int qcow2_do_open(BlockDriverState *bs, QDict *options, int flags,
goto fail;
}
if (header.refcount_table_clusters == 0 && !(flags & BDRV_O_CHECK)) {
error_setg(errp, "Image does not contain a reference count table");
ret = -EINVAL;
goto fail;
}
ret = validate_table_offset(bs, s->refcount_table_offset,
s->refcount_table_size, sizeof(uint64_t));
if (ret < 0) {

View file

@ -181,10 +181,24 @@ int bdrv_snapshot_goto(BlockDriverState *bs,
{
BlockDriver *drv = bs->drv;
int ret, open_ret;
int64_t len;
if (!drv) {
return -ENOMEDIUM;
}
len = bdrv_getlength(bs);
if (len < 0) {
return len;
}
/* We should set all bits in all enabled dirty bitmaps, because dirty
* bitmaps reflect active state of disk and snapshot switch operation
* actually dirties active state.
* TODO: It may make sense not to set all bits but analyze block status of
* current state and destination snapshot and do not set bits corresponding
* to both-zero or both-unallocated areas. */
bdrv_set_dirty(bs, 0, len);
if (drv->bdrv_snapshot_goto) {
return drv->bdrv_snapshot_goto(bs, snapshot_id);
}

View file

@ -1008,13 +1008,6 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
goto fail;
}
if (flags & BDRV_O_RDWR) {
ret = vhdx_update_headers(bs, s, false, NULL);
if (ret < 0) {
goto fail;
}
}
/* TODO: differencing files */
return 0;

View file

@ -666,6 +666,7 @@ class TestENOSPC(TestErrors):
if event['event'] == 'BLOCK_JOB_ERROR':
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp(event, 'data/operation', 'read')
error = True
result = self.vm.qmp('query-block-jobs')
self.assert_qmp(result, 'return[0]/paused', True)
@ -676,9 +677,11 @@ class TestENOSPC(TestErrors):
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-block-jobs')
if result == {'return': []}:
# Race; likely already finished. Check.
continue
self.assert_qmp(result, 'return[0]/paused', False)
self.assert_qmp(result, 'return[0]/io-status', 'ok')
error = True
elif event['event'] == 'BLOCK_JOB_COMPLETED':
self.assertTrue(error, 'job completed unexpectedly')
self.assert_qmp(event, 'data/type', 'stream')
@ -792,13 +795,14 @@ class TestSetSpeed(iotests.QMPTestCase):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp('block-stream', device='drive0')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
self.assert_qmp(result, 'error/class', 'GenericError')
self.cancel_and_wait()
self.cancel_and_wait(resume=True)
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'])

View file

@ -289,7 +289,7 @@ class TestSetSpeed(ImageCommitTestCase):
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 0 512', test_img)
qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xef 524288 524288', mid_img)
self.vm = iotests.VM().add_drive(test_img)
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.launch()
def tearDown(self):

View file

@ -48,7 +48,7 @@ class TestSingleDrive(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
self.vm = iotests.VM().add_drive(test_img)
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.add_drive(blockdev_target_img, interface="none")
if iotests.qemu_default_machine == 'pc':
self.vm.add_drive(None, 'media=cdrom', 'ide')
@ -65,10 +65,11 @@ class TestSingleDrive(iotests.QMPTestCase):
def do_test_cancel(self, cmd, target):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', target=target, sync='full')
self.assert_qmp(result, 'return', {})
event = self.cancel_and_wait()
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
def test_cancel_drive_backup(self):
@ -166,7 +167,7 @@ class TestSetSpeed(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
self.vm = iotests.VM().add_drive(test_img)
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
self.vm.add_drive(blockdev_target_img, interface="none")
self.vm.launch()
@ -246,6 +247,8 @@ class TestSetSpeed(iotests.QMPTestCase):
def test_set_speed_invalid_blockdev_backup(self):
self.do_test_set_speed_invalid('blockdev-backup', 'drive1')
# Note: We cannot use pause_drive() here, or the transaction command
# would stall. Instead, we limit the block job speed here.
class TestSingleTransaction(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
@ -271,7 +274,8 @@ class TestSingleTransaction(iotests.QMPTestCase):
'type': cmd,
'data': { 'device': 'drive0',
'target': target,
'sync': 'full' },
'sync': 'full',
'speed': 64 * 1024 },
}
])
@ -289,12 +293,12 @@ class TestSingleTransaction(iotests.QMPTestCase):
def do_test_pause(self, cmd, target, image):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp('transaction', actions=[{
'type': cmd,
'data': { 'device': 'drive0',
'target': target,
'sync': 'full' },
'sync': 'full',
'speed': 64 * 1024 },
}
])
self.assert_qmp(result, 'return', {})
@ -302,7 +306,9 @@ class TestSingleTransaction(iotests.QMPTestCase):
result = self.vm.qmp('block-job-pause', device='drive0')
self.assert_qmp(result, 'return', {})
self.vm.resume_drive('drive0')
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=0)
self.assert_qmp(result, 'return', {})
self.pause_job('drive0')
result = self.vm.qmp('query-block-jobs')
@ -461,7 +467,7 @@ class TestDriveCompression(iotests.QMPTestCase):
pass
def do_prepare_drives(self, fmt, args, attach_target):
self.vm = iotests.VM().add_drive(test_img)
self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
qemu_img('create', '-f', fmt, blockdev_target_img,
str(TestDriveCompression.image_len), *args)
@ -500,10 +506,11 @@ class TestDriveCompression(iotests.QMPTestCase):
self.assert_no_active_block_jobs()
self.vm.pause_drive('drive0')
result = self.vm.qmp(cmd, device='drive0', sync='full', compress=True, **args)
self.assert_qmp(result, 'return', {})
event = self.cancel_and_wait()
event = self.cancel_and_wait(resume=True)
self.assert_qmp(event, 'data/type', 'backup')
self.vm.shutdown()

View file

@ -242,6 +242,65 @@ poke_file "$TEST_IMG" "$(($l2_offset+8))" "\x80\x00\x00\x00\x00\x06\x2a\x00"
# Should emit two error messages
$QEMU_IO -c "discard 0 64k" -c "read 64k 64k" "$TEST_IMG" | _filter_qemu_io
echo
echo "=== Testing empty refcount table ==="
echo
_make_test_img 64M
poke_file "$TEST_IMG" "$rt_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
# Repair the image
_check_test_img -r all
echo
echo "=== Testing empty refcount table with valid L1 and L2 tables ==="
echo
_make_test_img 64M
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$rt_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
# Since the first data cluster is already allocated this triggers an
# allocation with an explicit offset (using qcow2_alloc_clusters_at())
# causing a refcount block to be allocated at offset 0
$QEMU_IO -c "write 0 128k" "$TEST_IMG" | _filter_qemu_io
# Repair the image
_check_test_img -r all
echo
echo "=== Testing empty refcount block ==="
echo
_make_test_img 64M
poke_file "$TEST_IMG" "$rb_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
# Repair the image
_check_test_img -r all
echo
echo "=== Testing empty refcount block with compressed write ==="
echo
_make_test_img 64M
$QEMU_IO -c "write 64k 64k" "$TEST_IMG" | _filter_qemu_io
poke_file "$TEST_IMG" "$rb_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
# The previous write already allocated an L2 table, so now this new
# write will try to allocate a compressed data cluster at offset 0.
$QEMU_IO -c "write -c 0k 64k" "$TEST_IMG" | _filter_qemu_io
# Repair the image
_check_test_img -r all
echo
echo "=== Testing zero refcount table size ==="
echo
_make_test_img 64M
poke_file "$TEST_IMG" "56" "\x00\x00\x00\x00"
$QEMU_IO -c "write 0 64k" "$TEST_IMG" 2>&1 | _filter_testdir | _filter_imgfmt
# Repair the image
_check_test_img -r all
echo
echo "=== Testing incorrect refcount table offset ==="
echo
_make_test_img 64M
poke_file "$TEST_IMG" "48" "\x00\x00\x00\x00\x00\x00\x00\x00"
$QEMU_IO -c "write 0 64k" "$TEST_IMG" | _filter_qemu_io
# success, all done
echo "*** done"
rm -f $seq.full

View file

@ -181,4 +181,107 @@ qcow2: Marking image as corrupt: Cluster allocation offset 0x62a00 unaligned (L2
discard 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read failed: Input/output error
=== Testing empty refcount table ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid write on metadata (overlaps with refcount table); further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
3 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount table with valid L1 and L2 tables ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 0
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of refcount block at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
ERROR cluster 4 refcount=0 reference=1
ERROR cluster 5 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
5 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing empty refcount block with compressed write ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
wrote 65536/65536 bytes at offset 65536
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
qcow2: Marking image as corrupt: Preventing invalid allocation of compressed cluster at offset 0; further corruption events will be suppressed
write failed: Input/output error
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 1 refcount=0 reference=1
ERROR cluster 2 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
Repairing cluster 1 refcount=1 reference=0
Repairing cluster 2 refcount=1 reference=0
The following inconsistencies were found and repaired:
0 leaked clusters
4 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing zero refcount table size ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
can't open device TEST_DIR/t.IMGFMT: Image does not contain a reference count table
ERROR cluster 0 refcount=0 reference=1
ERROR cluster 3 refcount=0 reference=1
Rebuilding refcount structure
The following inconsistencies were found and repaired:
0 leaked clusters
2 corruptions
Double checking the fixed image now...
No errors were found on the image.
=== Testing incorrect refcount table offset ===
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
qcow2: Marking image as corrupt: Preventing invalid allocation of L2 table at offset 0; further corruption events will be suppressed
write failed: Input/output error
*** done

View file

@ -188,7 +188,8 @@ EOF
test_io | $QEMU_IO | _filter_qemu_io | \
sed -e 's,[0-9/]* bytes at offset [0-9]*,XXX/XXX bytes at offset XXX,g' \
-e 's/^[0-9]* \(bytes\|KiB\)/XXX bytes/' \
-e '/Suspended/d'
-e '/Suspended/d' \
-e '/blkdebug: Resuming request/d'
echo
echo "== Verify image content =="

View file

@ -4,17 +4,6 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
== Some concurrent requests involving RMW ==
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
@ -31,51 +20,46 @@ wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
blkdebug: Resuming request 'C'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX

View file

@ -86,6 +86,7 @@ EOF
rm -f "$TEST_DIR/nbd.sock"
echo > "$TEST_DIR/nbd-fault-injector.out"
$PYTHON nbd-fault-injector.py $extra_args "$nbd_addr" "$TEST_DIR/nbd-fault-injector.conf" >"$TEST_DIR/nbd-fault-injector.out" 2>&1 &
# Wait for server to be ready
@ -94,7 +95,8 @@ EOF
done
# Extract the final address (port number has now been assigned in tcp case)
nbd_addr=$(sed 's/Listening on \(.*\)$/\1/' "$TEST_DIR/nbd-fault-injector.out")
nbd_addr=$(sed -n 's/^Listening on //p' \
"$TEST_DIR/nbd-fault-injector.out")
if [ "$proto" = "tcp" ]; then
nbd_url="nbd+tcp://$nbd_addr/$export_name"

View file

@ -238,6 +238,18 @@ sector = "%d"
for i in range(failed_wr_ops):
ops.append("aio_write %d 512" % bad_offset)
# We need an extra aio_flush to settle all outstanding AIO
# operations before we can advance the virtual clock, so that
# the last access happens before clock_step and idle_time_ns
# will be greater than 0
extra_flush = 0
if rd_ops + wr_ops + invalid_rd_ops + invalid_wr_ops + \
failed_rd_ops + failed_wr_ops > 0:
extra_flush = 1
if extra_flush > 0:
ops.append("aio_flush")
if failed_wr_ops > 0:
highest_offset = max(highest_offset, bad_offset + 512)
@ -251,7 +263,7 @@ sector = "%d"
self.total_wr_bytes += wr_ops * wr_size
self.total_wr_ops += wr_ops
self.total_wr_merged += wr_merged
self.total_flush_ops += flush_ops
self.total_flush_ops += flush_ops + extra_flush
self.invalid_rd_ops += invalid_rd_ops
self.invalid_wr_ops += invalid_wr_ops
self.failed_rd_ops += failed_rd_ops

View file

@ -21,7 +21,7 @@
import iotests
iotests.verify_image_format(unsupported_fmts=['luks'])
iotests.verify_image_format(supported_fmts=['qcow2', 'qed', 'raw', 'dmg'])
iotests.verify_platform(['linux'])
with iotests.FilePath('source.img') as source_img_path, \

View file

@ -242,7 +242,7 @@ _make_test_img()
if [ $IMGPROTO = "nbd" ]; then
# Pass a sufficiently high number to -e that should be enough for all
# tests
eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT -e 42 $TEST_IMG_FILE >/dev/null &"
eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT -e 42 -x '' $TEST_IMG_FILE >/dev/null &"
sleep 1 # FIXME: qemu-nbd needs to be listening before we continue
fi