mirror of https://github.com/xemu-project/xemu.git
iotests: Add tests for qcow2 images with extended L2 entries
Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-Id: <e6dd0429cafe84ca603179c298a8703bddca2904.1594396418.git.berto@igalia.com> [mreitz: Use env in shebang line] Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Alberto Garcia
Max Reitz
parent
7bbb59202a
commit
a5d3cfa2dc
|
|
@ -0,0 +1,901 @@
|
||||||
|
#!/usr/bin/env bash
|
||||||
|
#
|
||||||
|
# Test qcow2 images with extended L2 entries
|
||||||
|
#
|
||||||
|
# Copyright (C) 2019-2020 Igalia, S.L.
|
||||||
|
# Author: Alberto Garcia <berto@igalia.com>
|
||||||
|
#
|
||||||
|
# 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=berto@igalia.com
|
||||||
|
|
||||||
|
seq="$(basename $0)"
|
||||||
|
echo "QA output created by $seq"
|
||||||
|
|
||||||
|
here="$PWD"
|
||||||
|
status=1 # failure is the default!
|
||||||
|
|
||||||
|
_cleanup()
|
||||||
|
{
|
||||||
|
_cleanup_test_img
|
||||||
|
rm -f "$TEST_IMG.raw"
|
||||||
|
}
|
||||||
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
||||||
|
|
||||||
|
# get standard environment, filters and checks
|
||||||
|
. ./common.rc
|
||||||
|
. ./common.filter
|
||||||
|
|
||||||
|
_supported_fmt qcow2
|
||||||
|
_supported_proto file nfs
|
||||||
|
_supported_os Linux
|
||||||
|
_unsupported_imgopts extended_l2 compat=0.10 cluster_size data_file refcount_bits=1[^0-9]
|
||||||
|
|
||||||
|
l2_offset=$((0x40000))
|
||||||
|
|
||||||
|
_verify_img()
|
||||||
|
{
|
||||||
|
$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.raw" | grep -v 'Images are identical'
|
||||||
|
$QEMU_IMG check "$TEST_IMG" | _filter_qemu_img_check | \
|
||||||
|
grep -v 'No errors were found on the image'
|
||||||
|
}
|
||||||
|
|
||||||
|
# Compare the bitmap of an extended L2 entry against an expected value
|
||||||
|
_verify_l2_bitmap()
|
||||||
|
{
|
||||||
|
entry_no="$1" # L2 entry number, starting from 0
|
||||||
|
expected_alloc="$alloc" # Space-separated list of allocated subcluster indexes
|
||||||
|
expected_zero="$zero" # Space-separated list of zero subcluster indexes
|
||||||
|
|
||||||
|
offset=$(($l2_offset + $entry_no * 16))
|
||||||
|
entry=$(peek_file_be "$TEST_IMG" $offset 8)
|
||||||
|
offset=$(($offset + 8))
|
||||||
|
bitmap=$(peek_file_be "$TEST_IMG" $offset 8)
|
||||||
|
|
||||||
|
expected_bitmap=0
|
||||||
|
for bit in $expected_alloc; do
|
||||||
|
expected_bitmap=$(($expected_bitmap | (1 << $bit)))
|
||||||
|
done
|
||||||
|
for bit in $expected_zero; do
|
||||||
|
expected_bitmap=$(($expected_bitmap | (1 << (32 + $bit))))
|
||||||
|
done
|
||||||
|
printf -v expected_bitmap "%u" $expected_bitmap # Convert to unsigned
|
||||||
|
|
||||||
|
printf "L2 entry #%d: 0x%016x %016x\n" "$entry_no" "$entry" "$bitmap"
|
||||||
|
if [ "$bitmap" != "$expected_bitmap" ]; then
|
||||||
|
printf "ERROR: expecting bitmap 0x%016x\n" "$expected_bitmap"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
# This should be called as _run_test c=XXX sc=XXX off=XXX len=XXX cmd=XXX
|
||||||
|
# c: cluster number (0 if unset)
|
||||||
|
# sc: subcluster number inside cluster @c (0 if unset)
|
||||||
|
# off: offset inside subcluster @sc, in kilobytes (0 if unset)
|
||||||
|
# len: request length, passed directly to qemu-io (e.g: 256, 4k, 1M, ...)
|
||||||
|
# cmd: the command to pass to qemu-io, must be one of
|
||||||
|
# write -> write
|
||||||
|
# zero -> write -z
|
||||||
|
# unmap -> write -z -u
|
||||||
|
# compress -> write -c
|
||||||
|
# discard -> discard
|
||||||
|
_run_test()
|
||||||
|
{
|
||||||
|
unset c sc off len cmd
|
||||||
|
for var in "$@"; do eval "$var"; done
|
||||||
|
case "${cmd:-write}" in
|
||||||
|
zero)
|
||||||
|
cmd="write -q -z";;
|
||||||
|
unmap)
|
||||||
|
cmd="write -q -z -u";;
|
||||||
|
compress)
|
||||||
|
pat=$((${pat:-0} + 1))
|
||||||
|
cmd="write -q -c -P ${pat}";;
|
||||||
|
write)
|
||||||
|
pat=$((${pat:-0} + 1))
|
||||||
|
cmd="write -q -P ${pat}";;
|
||||||
|
discard)
|
||||||
|
cmd="discard -q";;
|
||||||
|
*)
|
||||||
|
echo "Unknown option $cmd"
|
||||||
|
exit 1;;
|
||||||
|
esac
|
||||||
|
c="${c:-0}"
|
||||||
|
sc="${sc:-0}"
|
||||||
|
off="${off:-0}"
|
||||||
|
offset="$(($c * 64 + $sc * 2 + $off))"
|
||||||
|
[ "$offset" != 0 ] && offset="${offset}k"
|
||||||
|
cmd="$cmd ${offset} ${len}"
|
||||||
|
raw_cmd=$(echo $cmd | sed s/-c//) # Raw images don't support -c
|
||||||
|
echo $cmd | sed 's/-P [0-9][0-9]\?/-P PATTERN/'
|
||||||
|
$QEMU_IO -c "$cmd" "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c "$raw_cmd" -f raw "$TEST_IMG.raw" | _filter_qemu_io
|
||||||
|
_verify_img
|
||||||
|
_verify_l2_bitmap "$c"
|
||||||
|
}
|
||||||
|
|
||||||
|
_reset_img()
|
||||||
|
{
|
||||||
|
size="$1"
|
||||||
|
$QEMU_IMG create -f raw "$TEST_IMG.raw" "$size" | _filter_img_create
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
$QEMU_IMG create -f raw "$TEST_IMG.base" "$size" | _filter_img_create
|
||||||
|
$QEMU_IO -c "write -q -P 0xFF 0 $size" -f raw "$TEST_IMG.base" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c "write -q -P 0xFF 0 $size" -f raw "$TEST_IMG.raw" | _filter_qemu_io
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base" "$size"
|
||||||
|
else
|
||||||
|
_make_test_img -o extended_l2=on "$size"
|
||||||
|
fi
|
||||||
|
}
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# Test that writing to an image with subclusters produces the expected
|
||||||
|
# results, in images with and without backing files
|
||||||
|
for use_backing_file in yes no; do
|
||||||
|
echo
|
||||||
|
echo "### Standard write tests (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
_reset_img 1M
|
||||||
|
### Write subcluster #0 (beginning of subcluster) ###
|
||||||
|
alloc="0"; zero=""
|
||||||
|
_run_test sc=0 len=1k
|
||||||
|
|
||||||
|
### Write subcluster #1 (middle of subcluster) ###
|
||||||
|
alloc="0 1"; zero=""
|
||||||
|
_run_test sc=1 off=1 len=512
|
||||||
|
|
||||||
|
### Write subcluster #2 (end of subcluster) ###
|
||||||
|
alloc="0 1 2"; zero=""
|
||||||
|
_run_test sc=2 off=1 len=1k
|
||||||
|
|
||||||
|
### Write subcluster #3 (full subcluster) ###
|
||||||
|
alloc="0 1 2 3"; zero=""
|
||||||
|
_run_test sc=3 len=2k
|
||||||
|
|
||||||
|
### Write subclusters #4-6 (full subclusters) ###
|
||||||
|
alloc="$(seq 0 6)"; zero=""
|
||||||
|
_run_test sc=4 len=6k
|
||||||
|
|
||||||
|
### Write subclusters #7-9 (partial subclusters) ###
|
||||||
|
alloc="$(seq 0 9)"; zero=""
|
||||||
|
_run_test sc=7 off=1 len=4k
|
||||||
|
|
||||||
|
### Write subcluster #16 (partial subcluster) ###
|
||||||
|
alloc="$(seq 0 9) 16"; zero=""
|
||||||
|
_run_test sc=16 len=1k
|
||||||
|
|
||||||
|
### Write subcluster #31-#33 (cluster overlap) ###
|
||||||
|
alloc="$(seq 0 9) 16 31"; zero=""
|
||||||
|
_run_test sc=31 off=1 len=4k
|
||||||
|
alloc="0 1" ; zero=""
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
|
||||||
|
### Zero subcluster #1
|
||||||
|
alloc="0 $(seq 2 9) 16 31"; zero="1"
|
||||||
|
_run_test sc=1 len=2k cmd=zero
|
||||||
|
|
||||||
|
### Zero cluster #0
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test sc=0 len=64k cmd=zero
|
||||||
|
|
||||||
|
### Fill cluster #0 with data
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test sc=0 len=64k
|
||||||
|
|
||||||
|
### Zero and unmap half of cluster #0 (this won't unmap it)
|
||||||
|
alloc="$(seq 16 31)"; zero="$(seq 0 15)"
|
||||||
|
_run_test sc=0 len=32k cmd=unmap
|
||||||
|
|
||||||
|
### Zero and unmap cluster #0
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test sc=0 len=64k cmd=unmap
|
||||||
|
|
||||||
|
### Write subcluster #1 (middle of subcluster)
|
||||||
|
alloc="1"; zero="0 $(seq 2 31)"
|
||||||
|
_run_test sc=1 off=1 len=512
|
||||||
|
|
||||||
|
### Fill cluster #0 with data
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test sc=0 len=64k
|
||||||
|
|
||||||
|
### Discard cluster #0
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test sc=0 len=64k cmd=discard
|
||||||
|
|
||||||
|
### Write compressed data to cluster #0
|
||||||
|
alloc=""; zero=""
|
||||||
|
_run_test sc=0 len=64k cmd=compress
|
||||||
|
|
||||||
|
### Write subcluster #1 (middle of subcluster)
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test sc=1 off=1 len=512
|
||||||
|
done
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# calculate_l2_meta() checks if none of the clusters affected by a
|
||||||
|
# write operation need COW or changes to their L2 metadata and simply
|
||||||
|
# returns when they don't. This is a test for that optimization.
|
||||||
|
# Here clusters #0-#3 are overwritten but only #1 and #2 need changes.
|
||||||
|
echo
|
||||||
|
echo '### Overwriting several clusters without COW ###'
|
||||||
|
echo
|
||||||
|
use_backing_file="no" _reset_img 1M
|
||||||
|
# Write cluster #0, subclusters #12-#31
|
||||||
|
alloc="$(seq 12 31)"; zero=""
|
||||||
|
_run_test sc=12 len=40k
|
||||||
|
|
||||||
|
# Write cluster #1, subcluster #13
|
||||||
|
alloc="13"; zero=""
|
||||||
|
_run_test c=1 sc=13 len=2k
|
||||||
|
|
||||||
|
# Zeroize cluster #2, subcluster #14
|
||||||
|
alloc="14"; zero=""
|
||||||
|
_run_test c=2 sc=14 len=2k
|
||||||
|
alloc=""; zero="14"
|
||||||
|
_run_test c=2 sc=14 len=2k cmd=zero
|
||||||
|
|
||||||
|
# Write cluster #3, subclusters #0-#16
|
||||||
|
alloc="$(seq 0 16)"; zero=""
|
||||||
|
_run_test c=3 sc=0 len=34k
|
||||||
|
|
||||||
|
# Write from cluster #0, subcluster #12 to cluster #3, subcluster #11
|
||||||
|
alloc="$(seq 12 31)"; zero=""
|
||||||
|
_run_test sc=12 len=192k
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
_verify_l2_bitmap 2
|
||||||
|
|
||||||
|
alloc="$(seq 0 16)"; zero=""
|
||||||
|
_verify_l2_bitmap 3
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# Test different patterns of writing zeroes
|
||||||
|
for use_backing_file in yes no; do
|
||||||
|
echo
|
||||||
|
echo "### Writing zeroes 1: unallocated clusters (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
# Note that the image size is not a multiple of the cluster size
|
||||||
|
_reset_img 2083k
|
||||||
|
|
||||||
|
# Cluster-aligned request from clusters #0 to #2
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test c=0 sc=0 len=192k cmd=zero
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
_verify_l2_bitmap 2
|
||||||
|
|
||||||
|
# Subcluster-aligned request from clusters #3 to #5
|
||||||
|
alloc=""; zero="$(seq 16 31)"
|
||||||
|
_run_test c=3 sc=16 len=128k cmd=zero
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 4
|
||||||
|
alloc=""; zero="$(seq 0 15)"
|
||||||
|
_verify_l2_bitmap 5
|
||||||
|
|
||||||
|
# Unaligned request from clusters #6 to #8
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc="15"; zero="$(seq 16 31)" # copy-on-write happening here
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 15 31)"
|
||||||
|
fi
|
||||||
|
_run_test c=6 sc=15 off=1 len=128k cmd=zero
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 7
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc="15"; zero="$(seq 0 14)" # copy-on-write happening here
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 0 15)"
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 8
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Writing zeroes 2: allocated clusters (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=9 sc=0 len=576k
|
||||||
|
_verify_l2_bitmap 10
|
||||||
|
_verify_l2_bitmap 11
|
||||||
|
_verify_l2_bitmap 12
|
||||||
|
_verify_l2_bitmap 13
|
||||||
|
_verify_l2_bitmap 14
|
||||||
|
_verify_l2_bitmap 15
|
||||||
|
_verify_l2_bitmap 16
|
||||||
|
_verify_l2_bitmap 17
|
||||||
|
|
||||||
|
# Cluster-aligned request from clusters #9 to #11
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test c=9 sc=0 len=192k cmd=zero
|
||||||
|
_verify_l2_bitmap 10
|
||||||
|
_verify_l2_bitmap 11
|
||||||
|
|
||||||
|
# Subcluster-aligned request from clusters #12 to #14
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=12 sc=16 len=128k cmd=zero
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 13
|
||||||
|
alloc="$(seq 16 31)"; zero="$(seq 0 15)"
|
||||||
|
_verify_l2_bitmap 14
|
||||||
|
|
||||||
|
# Unaligned request from clusters #15 to #17
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=15 sc=15 off=1 len=128k cmd=zero
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 16
|
||||||
|
alloc="$(seq 15 31)"; zero="$(seq 0 14)"
|
||||||
|
_verify_l2_bitmap 17
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Writing zeroes 3: compressed clusters (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
alloc=""; zero=""
|
||||||
|
for c in $(seq 18 28); do
|
||||||
|
_run_test c=$c sc=0 len=64k cmd=compress
|
||||||
|
done
|
||||||
|
|
||||||
|
# Cluster-aligned request from clusters #18 to #20
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test c=18 sc=0 len=192k cmd=zero
|
||||||
|
_verify_l2_bitmap 19
|
||||||
|
_verify_l2_bitmap 20
|
||||||
|
|
||||||
|
# Subcluster-aligned request from clusters #21 to #23.
|
||||||
|
# We cannot partially zero a compressed cluster so the code
|
||||||
|
# returns -ENOTSUP, which means copy-on-write of the compressed
|
||||||
|
# data and fill the rest with actual zeroes on disk.
|
||||||
|
# TODO: cluster #22 should use the 'all zeroes' bits.
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=21 sc=16 len=128k cmd=zero
|
||||||
|
_verify_l2_bitmap 22
|
||||||
|
_verify_l2_bitmap 23
|
||||||
|
|
||||||
|
# Unaligned request from clusters #24 to #26
|
||||||
|
# In this case QEMU internally sends a 1k request followed by a
|
||||||
|
# subcluster-aligned 128k request. The first request decompresses
|
||||||
|
# cluster #24, but that's not enough to perform the second request
|
||||||
|
# efficiently because it partially writes to cluster #26 (which is
|
||||||
|
# compressed) so we hit the same problem as before.
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=24 sc=15 off=1 len=129k cmd=zero
|
||||||
|
_verify_l2_bitmap 25
|
||||||
|
_verify_l2_bitmap 26
|
||||||
|
|
||||||
|
# Unaligned request from clusters #27 to #29
|
||||||
|
# Similar to the previous case, but this time the tail of the
|
||||||
|
# request does not correspond to a compressed cluster, so it can
|
||||||
|
# be zeroed efficiently.
|
||||||
|
# Note that the very last subcluster is partially written, so if
|
||||||
|
# there's a backing file we need to perform cow.
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=27 sc=15 off=1 len=128k cmd=zero
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 28
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc="15"; zero="$(seq 0 14)" # copy-on-write happening here
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 0 15)"
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 29
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Writing zeroes 4: other tests (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
# Unaligned request in the middle of cluster #30.
|
||||||
|
# If there's a backing file we need to allocate and do
|
||||||
|
# copy-on-write on the partially zeroed subclusters.
|
||||||
|
# If not we can set the 'all zeroes' bit on them.
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc="15 19"; zero="$(seq 16 18)" # copy-on-write happening here
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 15 19)"
|
||||||
|
fi
|
||||||
|
_run_test c=30 sc=15 off=1 len=8k cmd=zero
|
||||||
|
|
||||||
|
# Fill the last cluster with zeroes, up to the end of the image
|
||||||
|
# (the image size is not a multiple of the cluster or subcluster size).
|
||||||
|
alloc=""; zero="$(seq 0 17)"
|
||||||
|
_run_test c=32 sc=0 len=35k cmd=zero
|
||||||
|
done
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# Zero + unmap
|
||||||
|
for use_backing_file in yes no; do
|
||||||
|
echo
|
||||||
|
echo "### Zero + unmap 1: allocated clusters (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
# Note that the image size is not a multiple of the cluster size
|
||||||
|
_reset_img 2083k
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=9 sc=0 len=576k
|
||||||
|
_verify_l2_bitmap 10
|
||||||
|
_verify_l2_bitmap 11
|
||||||
|
_verify_l2_bitmap 12
|
||||||
|
_verify_l2_bitmap 13
|
||||||
|
_verify_l2_bitmap 14
|
||||||
|
_verify_l2_bitmap 15
|
||||||
|
_verify_l2_bitmap 16
|
||||||
|
_verify_l2_bitmap 17
|
||||||
|
|
||||||
|
# Cluster-aligned request from clusters #9 to #11
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test c=9 sc=0 len=192k cmd=unmap
|
||||||
|
_verify_l2_bitmap 10
|
||||||
|
_verify_l2_bitmap 11
|
||||||
|
|
||||||
|
# Subcluster-aligned request from clusters #12 to #14
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=12 sc=16 len=128k cmd=unmap
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 13
|
||||||
|
alloc="$(seq 16 31)"; zero="$(seq 0 15)"
|
||||||
|
_verify_l2_bitmap 14
|
||||||
|
|
||||||
|
# Unaligned request from clusters #15 to #17
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=15 sc=15 off=1 len=128k cmd=unmap
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 16
|
||||||
|
alloc="$(seq 15 31)"; zero="$(seq 0 14)"
|
||||||
|
_verify_l2_bitmap 17
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Zero + unmap 2: compressed clusters (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
alloc=""; zero=""
|
||||||
|
for c in $(seq 18 28); do
|
||||||
|
_run_test c=$c sc=0 len=64k cmd=compress
|
||||||
|
done
|
||||||
|
|
||||||
|
# Cluster-aligned request from clusters #18 to #20
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_run_test c=18 sc=0 len=192k cmd=unmap
|
||||||
|
_verify_l2_bitmap 19
|
||||||
|
_verify_l2_bitmap 20
|
||||||
|
|
||||||
|
# Subcluster-aligned request from clusters #21 to #23.
|
||||||
|
# We cannot partially zero a compressed cluster so the code
|
||||||
|
# returns -ENOTSUP, which means copy-on-write of the compressed
|
||||||
|
# data and fill the rest with actual zeroes on disk.
|
||||||
|
# TODO: cluster #22 should use the 'all zeroes' bits.
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=21 sc=16 len=128k cmd=unmap
|
||||||
|
_verify_l2_bitmap 22
|
||||||
|
_verify_l2_bitmap 23
|
||||||
|
|
||||||
|
# Unaligned request from clusters #24 to #26
|
||||||
|
# In this case QEMU internally sends a 1k request followed by a
|
||||||
|
# subcluster-aligned 128k request. The first request decompresses
|
||||||
|
# cluster #24, but that's not enough to perform the second request
|
||||||
|
# efficiently because it partially writes to cluster #26 (which is
|
||||||
|
# compressed) so we hit the same problem as before.
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
_run_test c=24 sc=15 off=1 len=129k cmd=unmap
|
||||||
|
_verify_l2_bitmap 25
|
||||||
|
_verify_l2_bitmap 26
|
||||||
|
|
||||||
|
# Unaligned request from clusters #27 to #29
|
||||||
|
# Similar to the previous case, but this time the tail of the
|
||||||
|
# request does not correspond to a compressed cluster, so it can
|
||||||
|
# be zeroed efficiently.
|
||||||
|
# Note that the very last subcluster is partially written, so if
|
||||||
|
# there's a backing file we need to perform cow.
|
||||||
|
alloc="$(seq 0 15)"; zero="$(seq 16 31)"
|
||||||
|
_run_test c=27 sc=15 off=1 len=128k cmd=unmap
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 28
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc="15"; zero="$(seq 0 14)" # copy-on-write happening here
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 0 15)"
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 29
|
||||||
|
done
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# Test qcow2_cluster_discard() with full and normal discards
|
||||||
|
for use_backing_file in yes no; do
|
||||||
|
echo
|
||||||
|
echo "### Discarding clusters with non-zero bitmaps (backing file: $use_backing_file) ###"
|
||||||
|
echo
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base" 1M
|
||||||
|
else
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
fi
|
||||||
|
# Write clusters #0-#2 and then discard them
|
||||||
|
$QEMU_IO -c 'write -q 0 128k' "$TEST_IMG"
|
||||||
|
$QEMU_IO -c 'discard -q 0 128k' "$TEST_IMG"
|
||||||
|
# 'qemu-io discard' doesn't do a full discard, it zeroizes the
|
||||||
|
# cluster, so both clusters have all zero bits set now
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
# Now mark the 2nd half of the subclusters from cluster #0 as unallocated
|
||||||
|
poke_file "$TEST_IMG" $(($l2_offset+8)) "\x00\x00"
|
||||||
|
# Discard cluster #0 again to see how the zero bits have changed
|
||||||
|
$QEMU_IO -c 'discard -q 0 64k' "$TEST_IMG"
|
||||||
|
# And do a full discard of cluster #1 by shrinking and growing the image
|
||||||
|
$QEMU_IMG resize --shrink "$TEST_IMG" 64k
|
||||||
|
$QEMU_IMG resize "$TEST_IMG" 1M
|
||||||
|
# A normal discard sets all 'zero' bits only if the image has a
|
||||||
|
# backing file, otherwise it won't touch them.
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
else
|
||||||
|
alloc=""; zero="$(seq 0 15)"
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
# A full discard should clear the L2 entry completely. However
|
||||||
|
# when growing an image with a backing file the new clusters are
|
||||||
|
# zeroized to hide the stale data from the backing file
|
||||||
|
if [ "$use_backing_file" = "yes" ]; then
|
||||||
|
alloc=""; zero="$(seq 0 31)"
|
||||||
|
else
|
||||||
|
alloc=""; zero=""
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
done
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
# Test that corrupted L2 entries are detected in both read and write
|
||||||
|
# operations
|
||||||
|
for corruption_test_cmd in read write; do
|
||||||
|
echo
|
||||||
|
echo "### Corrupted L2 entries - $corruption_test_cmd test (allocated) ###"
|
||||||
|
echo
|
||||||
|
echo "# 'cluster is zero' bit set on the standard cluster descriptor"
|
||||||
|
echo
|
||||||
|
# We actually don't consider this a corrupted image.
|
||||||
|
# The 'cluster is zero' bit is unused in extended L2 entries so
|
||||||
|
# QEMU ignores it.
|
||||||
|
# TODO: maybe treat the image as corrupted and make qemu-img check fix it?
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
$QEMU_IO -c 'write -q -P 0x11 0 2k' "$TEST_IMG"
|
||||||
|
poke_file "$TEST_IMG" $(($l2_offset+7)) "\x01"
|
||||||
|
alloc="0"; zero=""
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd -q -P 0x11 0 1k" "$TEST_IMG"
|
||||||
|
if [ "$corruption_test_cmd" = "write" ]; then
|
||||||
|
alloc="0"; zero=""
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "# Both 'subcluster is zero' and 'subcluster is allocated' bits set"
|
||||||
|
echo
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
# Write from the middle of cluster #0 to the middle of cluster #2
|
||||||
|
$QEMU_IO -c 'write -q 32k 128k' "$TEST_IMG"
|
||||||
|
# Corrupt the L2 entry from cluster #1
|
||||||
|
poke_file_be "$TEST_IMG" $(($l2_offset+24)) 4 1
|
||||||
|
alloc="$(seq 0 31)"; zero="0"
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd 0 192k" "$TEST_IMG"
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Corrupted L2 entries - $corruption_test_cmd test (unallocated) ###"
|
||||||
|
echo
|
||||||
|
echo "# 'cluster is zero' bit set on the standard cluster descriptor"
|
||||||
|
echo
|
||||||
|
# We actually don't consider this a corrupted image.
|
||||||
|
# The 'cluster is zero' bit is unused in extended L2 entries so
|
||||||
|
# QEMU ignores it.
|
||||||
|
# TODO: maybe treat the image as corrupted and make qemu-img check fix it?
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
# We want to modify the (empty) L2 entry from cluster #0,
|
||||||
|
# but we write to #4 in order to initialize the L2 table first
|
||||||
|
$QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
|
||||||
|
poke_file "$TEST_IMG" $(($l2_offset+7)) "\x01"
|
||||||
|
alloc=""; zero=""
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd -q 0 1k" "$TEST_IMG"
|
||||||
|
if [ "$corruption_test_cmd" = "write" ]; then
|
||||||
|
alloc="0"; zero=""
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "# 'subcluster is allocated' bit set"
|
||||||
|
echo
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
# We want to corrupt the (empty) L2 entry from cluster #0,
|
||||||
|
# but we write to #4 in order to initialize the L2 table first
|
||||||
|
$QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
|
||||||
|
poke_file "$TEST_IMG" $(($l2_offset+15)) "\x01"
|
||||||
|
alloc="0"; zero=""
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "# Both 'subcluster is zero' and 'subcluster is allocated' bits set"
|
||||||
|
echo
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
# We want to corrupt the (empty) L2 entry from cluster #1,
|
||||||
|
# but we write to #4 in order to initialize the L2 table first
|
||||||
|
$QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
|
||||||
|
# Corrupt the L2 entry from cluster #1
|
||||||
|
poke_file_be "$TEST_IMG" $(($l2_offset+24)) 8 $(((1 << 32) | 1))
|
||||||
|
alloc="0"; zero="0"
|
||||||
|
_verify_l2_bitmap 1
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd 0 192k" "$TEST_IMG"
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Compressed cluster with subcluster bitmap != 0 - $corruption_test_cmd test ###"
|
||||||
|
echo
|
||||||
|
# We actually don't consider this a corrupted image.
|
||||||
|
# The bitmap in compressed clusters is unused so QEMU should just ignore it.
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
$QEMU_IO -c 'write -q -P 11 -c 0 64k' "$TEST_IMG"
|
||||||
|
# Change the L2 bitmap to allocate subcluster #31 and zeroize subcluster #0
|
||||||
|
poke_file "$TEST_IMG" $(($l2_offset+11)) "\x01\x80"
|
||||||
|
alloc="31"; zero="0"
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
$QEMU_IO -c "$corruption_test_cmd -P 11 0 64k" "$TEST_IMG" | _filter_qemu_io
|
||||||
|
# Writing allocates a new uncompressed cluster so we get a new bitmap
|
||||||
|
if [ "$corruption_test_cmd" = "write" ]; then
|
||||||
|
alloc="$(seq 0 31)"; zero=""
|
||||||
|
fi
|
||||||
|
_verify_l2_bitmap 0
|
||||||
|
done
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Detect and repair unaligned clusters ###"
|
||||||
|
echo
|
||||||
|
# Create a backing file and fill it with data
|
||||||
|
$QEMU_IMG create -f raw "$TEST_IMG.base" 128k | _filter_img_create
|
||||||
|
$QEMU_IO -c "write -q -P 0xff 0 128k" -f raw "$TEST_IMG.base" | _filter_qemu_io
|
||||||
|
|
||||||
|
echo "# Corrupted L2 entry, allocated subcluster #"
|
||||||
|
# Create a new image, allocate a cluster and write some data to it
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base"
|
||||||
|
$QEMU_IO -c 'write -q -P 1 4k 2k' "$TEST_IMG"
|
||||||
|
# Corrupt the L2 entry by making the offset unaligned
|
||||||
|
poke_file "$TEST_IMG" "$(($l2_offset+6))" "\x02"
|
||||||
|
# This cannot be repaired, qemu-img check will fail to fix it
|
||||||
|
_check_test_img -r all
|
||||||
|
# Attempting to read the image will still show that it's corrupted
|
||||||
|
$QEMU_IO -c 'read -q 0 2k' "$TEST_IMG"
|
||||||
|
|
||||||
|
echo "# Corrupted L2 entry, no allocated subclusters #"
|
||||||
|
# Create a new image, allocate a cluster and zeroize subcluster #2
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base"
|
||||||
|
$QEMU_IO -c 'write -q -P 1 4k 2k' "$TEST_IMG"
|
||||||
|
$QEMU_IO -c 'write -q -z 4k 2k' "$TEST_IMG"
|
||||||
|
# Corrupt the L2 entry by making the offset unaligned
|
||||||
|
poke_file "$TEST_IMG" "$(($l2_offset+6))" "\x02"
|
||||||
|
# This time none of the subclusters are allocated so we can repair the image
|
||||||
|
_check_test_img -r all
|
||||||
|
# And the data can be read normally
|
||||||
|
$QEMU_IO -c 'read -q -P 0xff 0 4k' "$TEST_IMG"
|
||||||
|
$QEMU_IO -c 'read -q -P 0x00 4k 2k' "$TEST_IMG"
|
||||||
|
$QEMU_IO -c 'read -q -P 0xff 6k 122k' "$TEST_IMG"
|
||||||
|
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
############################################################
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Image creation options ###"
|
||||||
|
echo
|
||||||
|
echo "# cluster_size < 16k"
|
||||||
|
_make_test_img -o extended_l2=on,cluster_size=8k 1M
|
||||||
|
|
||||||
|
echo "# backing file and preallocation=metadata"
|
||||||
|
# For preallocation with backing files, create a backing file first
|
||||||
|
$QEMU_IMG create -f raw "$TEST_IMG.base" 1M | _filter_img_create
|
||||||
|
$QEMU_IO -c "write -q -P 0xff 0 1M" -f raw "$TEST_IMG.base" | _filter_qemu_io
|
||||||
|
|
||||||
|
_make_test_img -o extended_l2=on,preallocation=metadata -F raw -b "$TEST_IMG.base" 512k
|
||||||
|
$QEMU_IMG resize "$TEST_IMG" 1M
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 512k 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG map "$TEST_IMG" | _filter_testdir
|
||||||
|
|
||||||
|
echo "# backing file and preallocation=falloc"
|
||||||
|
_make_test_img -o extended_l2=on,preallocation=falloc -F raw -b "$TEST_IMG.base" 512k
|
||||||
|
$QEMU_IMG resize "$TEST_IMG" 1M
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 512k 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG map "$TEST_IMG" | _filter_testdir
|
||||||
|
|
||||||
|
echo "# backing file and preallocation=full"
|
||||||
|
_make_test_img -o extended_l2=on,preallocation=full -F raw -b "$TEST_IMG.base" 512k
|
||||||
|
$QEMU_IMG resize "$TEST_IMG" 1M
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 512k 512k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG map "$TEST_IMG" | _filter_testdir
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Image resizing with preallocation and backing files ###"
|
||||||
|
echo
|
||||||
|
# In this case the new subclusters must have the 'all zeroes' bit set
|
||||||
|
echo "# resize --preallocation=metadata"
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base" 503k
|
||||||
|
$QEMU_IMG resize --preallocation=metadata "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
# In this case and the next one the new subclusters must be allocated
|
||||||
|
echo "# resize --preallocation=falloc"
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base" 503k
|
||||||
|
$QEMU_IMG resize --preallocation=falloc "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
echo "# resize --preallocation=full"
|
||||||
|
_make_test_img -o extended_l2=on -F raw -b "$TEST_IMG.base" 503k
|
||||||
|
$QEMU_IMG resize --preallocation=full "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Image resizing with preallocation without backing files ###"
|
||||||
|
echo
|
||||||
|
# In this case the new subclusters must have the 'all zeroes' bit set
|
||||||
|
echo "# resize --preallocation=metadata"
|
||||||
|
_make_test_img -o extended_l2=on 503k
|
||||||
|
$QEMU_IO -c 'write -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG resize --preallocation=metadata "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
# In this case and the next one the new subclusters must be allocated
|
||||||
|
echo "# resize --preallocation=falloc"
|
||||||
|
_make_test_img -o extended_l2=on 503k
|
||||||
|
$QEMU_IO -c 'write -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG resize --preallocation=falloc "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
echo "# resize --preallocation=full"
|
||||||
|
_make_test_img -o extended_l2=on 503k
|
||||||
|
$QEMU_IO -c 'write -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IMG resize --preallocation=full "$TEST_IMG" 1013k
|
||||||
|
$QEMU_IO -c 'read -P 0xff 0 503k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
$QEMU_IO -c 'read -P 0x00 503k 510k' "$TEST_IMG" | _filter_qemu_io
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### qemu-img measure ###"
|
||||||
|
echo
|
||||||
|
echo "# 512MB, extended_l2=off" # This needs one L2 table
|
||||||
|
$QEMU_IMG measure --size 512M -O qcow2 -o extended_l2=off
|
||||||
|
echo "# 512MB, extended_l2=on" # This needs two L2 tables
|
||||||
|
$QEMU_IMG measure --size 512M -O qcow2 -o extended_l2=on
|
||||||
|
|
||||||
|
echo "# 16K clusters, 64GB, extended_l2=off" # This needs one full L1 table cluster
|
||||||
|
$QEMU_IMG measure --size 64G -O qcow2 -o cluster_size=16k,extended_l2=off
|
||||||
|
echo "# 16K clusters, 64GB, extended_l2=on" # This needs two full L2 table clusters
|
||||||
|
$QEMU_IMG measure --size 64G -O qcow2 -o cluster_size=16k,extended_l2=on
|
||||||
|
|
||||||
|
echo "# 8k clusters" # This should fail
|
||||||
|
$QEMU_IMG measure --size 1M -O qcow2 -o cluster_size=8k,extended_l2=on
|
||||||
|
|
||||||
|
echo "# 1024 TB" # Maximum allowed size with extended_l2=on and 64K clusters
|
||||||
|
$QEMU_IMG measure --size 1024T -O qcow2 -o extended_l2=on
|
||||||
|
echo "# 1025 TB" # This should fail
|
||||||
|
$QEMU_IMG measure --size 1025T -O qcow2 -o extended_l2=on
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### qemu-img amend ###"
|
||||||
|
echo
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
$QEMU_IMG amend -o extended_l2=off "$TEST_IMG" && echo "Unexpected pass"
|
||||||
|
|
||||||
|
_make_test_img -o extended_l2=off 1M
|
||||||
|
$QEMU_IMG amend -o extended_l2=on "$TEST_IMG" && echo "Unexpected pass"
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Test copy-on-write on an image with snapshots ###"
|
||||||
|
echo
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
|
||||||
|
# For each cluster from #0 to #9 this loop zeroes subcluster #7
|
||||||
|
# and allocates subclusters #13 and #18.
|
||||||
|
alloc="13 18"; zero="7"
|
||||||
|
for c in $(seq 0 9); do
|
||||||
|
$QEMU_IO -c "write -q -z $((64*$c+14))k 2k" \
|
||||||
|
-c "write -q -P $((0xd0+$c)) $((64*$c+26))k 2k" \
|
||||||
|
-c "write -q -P $((0xe0+$c)) $((64*$c+36))k 2k" "$TEST_IMG"
|
||||||
|
_verify_l2_bitmap "$c"
|
||||||
|
done
|
||||||
|
|
||||||
|
# Create a snapshot and set l2_offset to the new L2 table
|
||||||
|
$QEMU_IMG snapshot -c snap1 "$TEST_IMG"
|
||||||
|
l2_offset=$((0x110000))
|
||||||
|
|
||||||
|
# Write different patterns to each one of the clusters
|
||||||
|
# in order to see how copy-on-write behaves in each case.
|
||||||
|
$QEMU_IO -c "write -q -P 0xf0 $((64*0+30))k 1k" \
|
||||||
|
-c "write -q -P 0xf1 $((64*1+20))k 1k" \
|
||||||
|
-c "write -q -P 0xf2 $((64*2+40))k 1k" \
|
||||||
|
-c "write -q -P 0xf3 $((64*3+26))k 1k" \
|
||||||
|
-c "write -q -P 0xf4 $((64*4+14))k 1k" \
|
||||||
|
-c "write -q -P 0xf5 $((64*5+1))k 1k" \
|
||||||
|
-c "write -q -z $((64*6+30))k 3k" \
|
||||||
|
-c "write -q -z $((64*7+26))k 2k" \
|
||||||
|
-c "write -q -z $((64*8+26))k 1k" \
|
||||||
|
-c "write -q -z $((64*9+12))k 1k" \
|
||||||
|
"$TEST_IMG"
|
||||||
|
alloc="$(seq 13 18)"; zero="7" _verify_l2_bitmap 0
|
||||||
|
alloc="$(seq 10 18)"; zero="7" _verify_l2_bitmap 1
|
||||||
|
alloc="$(seq 13 20)"; zero="7" _verify_l2_bitmap 2
|
||||||
|
alloc="$(seq 13 18)"; zero="7" _verify_l2_bitmap 3
|
||||||
|
alloc="$(seq 7 18)"; zero="" _verify_l2_bitmap 4
|
||||||
|
alloc="$(seq 0 18)"; zero="" _verify_l2_bitmap 5
|
||||||
|
alloc="13 18"; zero="7 15 16" _verify_l2_bitmap 6
|
||||||
|
alloc="18"; zero="7 13" _verify_l2_bitmap 7
|
||||||
|
alloc="$(seq 13 18)"; zero="7" _verify_l2_bitmap 8
|
||||||
|
alloc="13 18"; zero="6 7" _verify_l2_bitmap 9
|
||||||
|
|
||||||
|
echo
|
||||||
|
echo "### Test concurrent requests ###"
|
||||||
|
echo
|
||||||
|
|
||||||
|
_concurrent_io()
|
||||||
|
{
|
||||||
|
# Allocate three subclusters in the same cluster.
|
||||||
|
# This works because handle_dependencies() checks whether the requests
|
||||||
|
# allocate the same cluster, even if the COW regions don't overlap (in
|
||||||
|
# this case they don't).
|
||||||
|
cat <<EOF
|
||||||
|
open -o driver=$IMGFMT blkdebug::$TEST_IMG
|
||||||
|
break write_aio A
|
||||||
|
aio_write -P 10 30k 2k
|
||||||
|
wait_break A
|
||||||
|
aio_write -P 11 20k 2k
|
||||||
|
aio_write -P 12 40k 2k
|
||||||
|
resume A
|
||||||
|
aio_flush
|
||||||
|
EOF
|
||||||
|
}
|
||||||
|
|
||||||
|
_concurrent_verify()
|
||||||
|
{
|
||||||
|
cat <<EOF
|
||||||
|
open -o driver=$IMGFMT $TEST_IMG
|
||||||
|
read -q -P 10 30k 2k
|
||||||
|
read -q -P 11 20k 2k
|
||||||
|
read -q -P 12 40k 2k
|
||||||
|
EOF
|
||||||
|
}
|
||||||
|
|
||||||
|
_make_test_img -o extended_l2=on 1M
|
||||||
|
_concurrent_io | $QEMU_IO | _filter_qemu_io
|
||||||
|
_concurrent_verify | $QEMU_IO | _filter_qemu_io
|
||||||
|
|
||||||
|
# success, all done
|
||||||
|
echo "*** done"
|
||||||
|
rm -f $seq.full
|
||||||
|
status=0
|
||||||
|
|
@ -0,0 +1,726 @@
|
||||||
|
QA output created by 271
|
||||||
|
|
||||||
|
### Standard write tests (backing file: yes) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=1048576
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
write -q -P PATTERN 0 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000001
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000003
|
||||||
|
write -q -P PATTERN 5k 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000007
|
||||||
|
write -q -P PATTERN 6k 2k
|
||||||
|
L2 entry #0: 0x8000000000050000 000000000000000f
|
||||||
|
write -q -P PATTERN 8k 6k
|
||||||
|
L2 entry #0: 0x8000000000050000 000000000000007f
|
||||||
|
write -q -P PATTERN 15k 4k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000000003ff
|
||||||
|
write -q -P PATTERN 32k 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000000103ff
|
||||||
|
write -q -P PATTERN 63k 4k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000800103ff
|
||||||
|
L2 entry #1: 0x8000000000060000 0000000000000003
|
||||||
|
write -q -z 2k 2k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000002800103fd
|
||||||
|
write -q -z 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 ffffffff00000000
|
||||||
|
write -q -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000ffffffff
|
||||||
|
write -q -z -u 0 32k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000ffffffff0000
|
||||||
|
write -q -z -u 0 64k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000050000 fffffffd00000002
|
||||||
|
write -q -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000ffffffff
|
||||||
|
discard -q 0 64k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -c -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x4000000000050000 0000000000000000
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000070000 00000000ffffffff
|
||||||
|
|
||||||
|
### Standard write tests (backing file: no) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
write -q -P PATTERN 0 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000001
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000003
|
||||||
|
write -q -P PATTERN 5k 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000000000000007
|
||||||
|
write -q -P PATTERN 6k 2k
|
||||||
|
L2 entry #0: 0x8000000000050000 000000000000000f
|
||||||
|
write -q -P PATTERN 8k 6k
|
||||||
|
L2 entry #0: 0x8000000000050000 000000000000007f
|
||||||
|
write -q -P PATTERN 15k 4k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000000003ff
|
||||||
|
write -q -P PATTERN 32k 1k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000000103ff
|
||||||
|
write -q -P PATTERN 63k 4k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000800103ff
|
||||||
|
L2 entry #1: 0x8000000000060000 0000000000000003
|
||||||
|
write -q -z 2k 2k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000002800103fd
|
||||||
|
write -q -z 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 ffffffff00000000
|
||||||
|
write -q -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000ffffffff
|
||||||
|
write -q -z -u 0 32k
|
||||||
|
L2 entry #0: 0x8000000000050000 0000ffffffff0000
|
||||||
|
write -q -z -u 0 64k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000050000 fffffffd00000002
|
||||||
|
write -q -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000ffffffff
|
||||||
|
discard -q 0 64k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -c -P PATTERN 0 64k
|
||||||
|
L2 entry #0: 0x4000000000050000 0000000000000000
|
||||||
|
write -q -P PATTERN 3k 512
|
||||||
|
L2 entry #0: 0x8000000000070000 00000000ffffffff
|
||||||
|
|
||||||
|
### Overwriting several clusters without COW ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=1048576
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
write -q -P PATTERN 24k 40k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000fffff000
|
||||||
|
write -q -P PATTERN 90k 2k
|
||||||
|
L2 entry #1: 0x8000000000060000 0000000000002000
|
||||||
|
write -q -P PATTERN 156k 2k
|
||||||
|
L2 entry #2: 0x8000000000070000 0000000000004000
|
||||||
|
write -q -z 156k 2k
|
||||||
|
L2 entry #2: 0x8000000000070000 0000400000000000
|
||||||
|
write -q -P PATTERN 192k 34k
|
||||||
|
L2 entry #3: 0x8000000000080000 000000000001ffff
|
||||||
|
write -q -P PATTERN 24k 192k
|
||||||
|
L2 entry #0: 0x8000000000050000 00000000fffff000
|
||||||
|
L2 entry #1: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #2: 0x8000000000070000 00000000ffffffff
|
||||||
|
L2 entry #3: 0x8000000000080000 000000000001ffff
|
||||||
|
|
||||||
|
### Writing zeroes 1: unallocated clusters (backing file: yes) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
write -q -z 0 192k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #2: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z 224k 128k
|
||||||
|
L2 entry #3: 0x0000000000000000 ffff000000000000
|
||||||
|
L2 entry #4: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #5: 0x0000000000000000 0000ffff00000000
|
||||||
|
write -q -z 415k 128k
|
||||||
|
L2 entry #6: 0x8000000000050000 ffff000000008000
|
||||||
|
L2 entry #7: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #8: 0x8000000000060000 00007fff00008000
|
||||||
|
|
||||||
|
### Writing zeroes 2: allocated clusters (backing file: yes) ###
|
||||||
|
|
||||||
|
write -q -P PATTERN 576k 576k
|
||||||
|
L2 entry #9: 0x8000000000070000 00000000ffffffff
|
||||||
|
L2 entry #10: 0x8000000000080000 00000000ffffffff
|
||||||
|
L2 entry #11: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #12: 0x80000000000a0000 00000000ffffffff
|
||||||
|
L2 entry #13: 0x80000000000b0000 00000000ffffffff
|
||||||
|
L2 entry #14: 0x80000000000c0000 00000000ffffffff
|
||||||
|
L2 entry #15: 0x80000000000d0000 00000000ffffffff
|
||||||
|
L2 entry #16: 0x80000000000e0000 00000000ffffffff
|
||||||
|
L2 entry #17: 0x80000000000f0000 00000000ffffffff
|
||||||
|
write -q -z 576k 192k
|
||||||
|
L2 entry #9: 0x8000000000070000 ffffffff00000000
|
||||||
|
L2 entry #10: 0x8000000000080000 ffffffff00000000
|
||||||
|
L2 entry #11: 0x8000000000090000 ffffffff00000000
|
||||||
|
write -q -z 800k 128k
|
||||||
|
L2 entry #12: 0x80000000000a0000 ffff00000000ffff
|
||||||
|
L2 entry #13: 0x80000000000b0000 ffffffff00000000
|
||||||
|
L2 entry #14: 0x80000000000c0000 0000ffffffff0000
|
||||||
|
write -q -z 991k 128k
|
||||||
|
L2 entry #15: 0x80000000000d0000 ffff00000000ffff
|
||||||
|
L2 entry #16: 0x80000000000e0000 ffffffff00000000
|
||||||
|
L2 entry #17: 0x80000000000f0000 00007fffffff8000
|
||||||
|
|
||||||
|
### Writing zeroes 3: compressed clusters (backing file: yes) ###
|
||||||
|
|
||||||
|
write -q -c -P PATTERN 1152k 64k
|
||||||
|
L2 entry #18: 0x4000000000100000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1216k 64k
|
||||||
|
L2 entry #19: 0x4000000000110000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1280k 64k
|
||||||
|
L2 entry #20: 0x4000000000120000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1344k 64k
|
||||||
|
L2 entry #21: 0x4000000000130000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1408k 64k
|
||||||
|
L2 entry #22: 0x4000000000140000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1472k 64k
|
||||||
|
L2 entry #23: 0x4000000000150000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1536k 64k
|
||||||
|
L2 entry #24: 0x4000000000160000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1600k 64k
|
||||||
|
L2 entry #25: 0x4000000000170000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1664k 64k
|
||||||
|
L2 entry #26: 0x4000000000180000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1728k 64k
|
||||||
|
L2 entry #27: 0x4000000000190000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1792k 64k
|
||||||
|
L2 entry #28: 0x40000000001a0000 0000000000000000
|
||||||
|
write -q -z 1152k 192k
|
||||||
|
L2 entry #18: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #19: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #20: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z 1376k 128k
|
||||||
|
L2 entry #21: 0x8000000000100000 00000000ffffffff
|
||||||
|
L2 entry #22: 0x8000000000110000 00000000ffffffff
|
||||||
|
L2 entry #23: 0x8000000000120000 00000000ffffffff
|
||||||
|
write -q -z 1567k 129k
|
||||||
|
L2 entry #24: 0x8000000000130000 00000000ffffffff
|
||||||
|
L2 entry #25: 0x8000000000140000 00000000ffffffff
|
||||||
|
L2 entry #26: 0x8000000000150000 00000000ffffffff
|
||||||
|
write -q -z 1759k 128k
|
||||||
|
L2 entry #27: 0x8000000000160000 ffff00000000ffff
|
||||||
|
L2 entry #28: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #29: 0x8000000000170000 00007fff00008000
|
||||||
|
|
||||||
|
### Writing zeroes 4: other tests (backing file: yes) ###
|
||||||
|
|
||||||
|
write -q -z 1951k 8k
|
||||||
|
L2 entry #30: 0x8000000000180000 0007000000088000
|
||||||
|
write -q -z 2048k 35k
|
||||||
|
L2 entry #32: 0x0000000000000000 0003ffff00000000
|
||||||
|
|
||||||
|
### Writing zeroes 1: unallocated clusters (backing file: no) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992
|
||||||
|
write -q -z 0 192k
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #2: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z 224k 128k
|
||||||
|
L2 entry #3: 0x0000000000000000 ffff000000000000
|
||||||
|
L2 entry #4: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #5: 0x0000000000000000 0000ffff00000000
|
||||||
|
write -q -z 415k 128k
|
||||||
|
L2 entry #6: 0x0000000000000000 ffff800000000000
|
||||||
|
L2 entry #7: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #8: 0x0000000000000000 0000ffff00000000
|
||||||
|
|
||||||
|
### Writing zeroes 2: allocated clusters (backing file: no) ###
|
||||||
|
|
||||||
|
write -q -P PATTERN 576k 576k
|
||||||
|
L2 entry #9: 0x8000000000050000 00000000ffffffff
|
||||||
|
L2 entry #10: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #11: 0x8000000000070000 00000000ffffffff
|
||||||
|
L2 entry #12: 0x8000000000080000 00000000ffffffff
|
||||||
|
L2 entry #13: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #14: 0x80000000000a0000 00000000ffffffff
|
||||||
|
L2 entry #15: 0x80000000000b0000 00000000ffffffff
|
||||||
|
L2 entry #16: 0x80000000000c0000 00000000ffffffff
|
||||||
|
L2 entry #17: 0x80000000000d0000 00000000ffffffff
|
||||||
|
write -q -z 576k 192k
|
||||||
|
L2 entry #9: 0x8000000000050000 ffffffff00000000
|
||||||
|
L2 entry #10: 0x8000000000060000 ffffffff00000000
|
||||||
|
L2 entry #11: 0x8000000000070000 ffffffff00000000
|
||||||
|
write -q -z 800k 128k
|
||||||
|
L2 entry #12: 0x8000000000080000 ffff00000000ffff
|
||||||
|
L2 entry #13: 0x8000000000090000 ffffffff00000000
|
||||||
|
L2 entry #14: 0x80000000000a0000 0000ffffffff0000
|
||||||
|
write -q -z 991k 128k
|
||||||
|
L2 entry #15: 0x80000000000b0000 ffff00000000ffff
|
||||||
|
L2 entry #16: 0x80000000000c0000 ffffffff00000000
|
||||||
|
L2 entry #17: 0x80000000000d0000 00007fffffff8000
|
||||||
|
|
||||||
|
### Writing zeroes 3: compressed clusters (backing file: no) ###
|
||||||
|
|
||||||
|
write -q -c -P PATTERN 1152k 64k
|
||||||
|
L2 entry #18: 0x40000000000e0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1216k 64k
|
||||||
|
L2 entry #19: 0x40000000000f0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1280k 64k
|
||||||
|
L2 entry #20: 0x4000000000100000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1344k 64k
|
||||||
|
L2 entry #21: 0x4000000000110000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1408k 64k
|
||||||
|
L2 entry #22: 0x4000000000120000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1472k 64k
|
||||||
|
L2 entry #23: 0x4000000000130000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1536k 64k
|
||||||
|
L2 entry #24: 0x4000000000140000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1600k 64k
|
||||||
|
L2 entry #25: 0x4000000000150000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1664k 64k
|
||||||
|
L2 entry #26: 0x4000000000160000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1728k 64k
|
||||||
|
L2 entry #27: 0x4000000000170000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1792k 64k
|
||||||
|
L2 entry #28: 0x4000000000180000 0000000000000000
|
||||||
|
write -q -z 1152k 192k
|
||||||
|
L2 entry #18: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #19: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #20: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z 1376k 128k
|
||||||
|
L2 entry #21: 0x80000000000e0000 00000000ffffffff
|
||||||
|
L2 entry #22: 0x80000000000f0000 00000000ffffffff
|
||||||
|
L2 entry #23: 0x8000000000100000 00000000ffffffff
|
||||||
|
write -q -z 1567k 129k
|
||||||
|
L2 entry #24: 0x8000000000110000 00000000ffffffff
|
||||||
|
L2 entry #25: 0x8000000000120000 00000000ffffffff
|
||||||
|
L2 entry #26: 0x8000000000130000 00000000ffffffff
|
||||||
|
write -q -z 1759k 128k
|
||||||
|
L2 entry #27: 0x8000000000140000 ffff00000000ffff
|
||||||
|
L2 entry #28: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #29: 0x0000000000000000 0000ffff00000000
|
||||||
|
|
||||||
|
### Writing zeroes 4: other tests (backing file: no) ###
|
||||||
|
|
||||||
|
write -q -z 1951k 8k
|
||||||
|
L2 entry #30: 0x0000000000000000 000f800000000000
|
||||||
|
write -q -z 2048k 35k
|
||||||
|
L2 entry #32: 0x0000000000000000 0003ffff00000000
|
||||||
|
|
||||||
|
### Zero + unmap 1: allocated clusters (backing file: yes) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
write -q -P PATTERN 576k 576k
|
||||||
|
L2 entry #9: 0x8000000000050000 00000000ffffffff
|
||||||
|
L2 entry #10: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #11: 0x8000000000070000 00000000ffffffff
|
||||||
|
L2 entry #12: 0x8000000000080000 00000000ffffffff
|
||||||
|
L2 entry #13: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #14: 0x80000000000a0000 00000000ffffffff
|
||||||
|
L2 entry #15: 0x80000000000b0000 00000000ffffffff
|
||||||
|
L2 entry #16: 0x80000000000c0000 00000000ffffffff
|
||||||
|
L2 entry #17: 0x80000000000d0000 00000000ffffffff
|
||||||
|
write -q -z -u 576k 192k
|
||||||
|
L2 entry #9: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #10: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #11: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z -u 800k 128k
|
||||||
|
L2 entry #12: 0x8000000000080000 ffff00000000ffff
|
||||||
|
L2 entry #13: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #14: 0x80000000000a0000 0000ffffffff0000
|
||||||
|
write -q -z -u 991k 128k
|
||||||
|
L2 entry #15: 0x80000000000b0000 ffff00000000ffff
|
||||||
|
L2 entry #16: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #17: 0x80000000000d0000 00007fffffff8000
|
||||||
|
|
||||||
|
### Zero + unmap 2: compressed clusters (backing file: yes) ###
|
||||||
|
|
||||||
|
write -q -c -P PATTERN 1152k 64k
|
||||||
|
L2 entry #18: 0x4000000000050000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1216k 64k
|
||||||
|
L2 entry #19: 0x4000000000060000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1280k 64k
|
||||||
|
L2 entry #20: 0x4000000000070000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1344k 64k
|
||||||
|
L2 entry #21: 0x4000000000090000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1408k 64k
|
||||||
|
L2 entry #22: 0x40000000000c0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1472k 64k
|
||||||
|
L2 entry #23: 0x40000000000e0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1536k 64k
|
||||||
|
L2 entry #24: 0x40000000000f0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1600k 64k
|
||||||
|
L2 entry #25: 0x4000000000100000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1664k 64k
|
||||||
|
L2 entry #26: 0x4000000000110000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1728k 64k
|
||||||
|
L2 entry #27: 0x4000000000120000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1792k 64k
|
||||||
|
L2 entry #28: 0x4000000000130000 0000000000000000
|
||||||
|
write -q -z -u 1152k 192k
|
||||||
|
L2 entry #18: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #19: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #20: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z -u 1376k 128k
|
||||||
|
L2 entry #21: 0x8000000000050000 00000000ffffffff
|
||||||
|
L2 entry #22: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #23: 0x8000000000070000 00000000ffffffff
|
||||||
|
write -q -z -u 1567k 129k
|
||||||
|
L2 entry #24: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #25: 0x80000000000e0000 00000000ffffffff
|
||||||
|
L2 entry #26: 0x80000000000f0000 00000000ffffffff
|
||||||
|
write -q -z -u 1759k 128k
|
||||||
|
L2 entry #27: 0x80000000000c0000 ffff00000000ffff
|
||||||
|
L2 entry #28: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #29: 0x8000000000100000 00007fff00008000
|
||||||
|
|
||||||
|
### Zero + unmap 1: allocated clusters (backing file: no) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.raw', fmt=raw size=2132992
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2132992
|
||||||
|
write -q -P PATTERN 576k 576k
|
||||||
|
L2 entry #9: 0x8000000000050000 00000000ffffffff
|
||||||
|
L2 entry #10: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #11: 0x8000000000070000 00000000ffffffff
|
||||||
|
L2 entry #12: 0x8000000000080000 00000000ffffffff
|
||||||
|
L2 entry #13: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #14: 0x80000000000a0000 00000000ffffffff
|
||||||
|
L2 entry #15: 0x80000000000b0000 00000000ffffffff
|
||||||
|
L2 entry #16: 0x80000000000c0000 00000000ffffffff
|
||||||
|
L2 entry #17: 0x80000000000d0000 00000000ffffffff
|
||||||
|
write -q -z -u 576k 192k
|
||||||
|
L2 entry #9: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #10: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #11: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z -u 800k 128k
|
||||||
|
L2 entry #12: 0x8000000000080000 ffff00000000ffff
|
||||||
|
L2 entry #13: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #14: 0x80000000000a0000 0000ffffffff0000
|
||||||
|
write -q -z -u 991k 128k
|
||||||
|
L2 entry #15: 0x80000000000b0000 ffff00000000ffff
|
||||||
|
L2 entry #16: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #17: 0x80000000000d0000 00007fffffff8000
|
||||||
|
|
||||||
|
### Zero + unmap 2: compressed clusters (backing file: no) ###
|
||||||
|
|
||||||
|
write -q -c -P PATTERN 1152k 64k
|
||||||
|
L2 entry #18: 0x4000000000050000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1216k 64k
|
||||||
|
L2 entry #19: 0x4000000000060000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1280k 64k
|
||||||
|
L2 entry #20: 0x4000000000070000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1344k 64k
|
||||||
|
L2 entry #21: 0x4000000000090000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1408k 64k
|
||||||
|
L2 entry #22: 0x40000000000c0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1472k 64k
|
||||||
|
L2 entry #23: 0x40000000000e0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1536k 64k
|
||||||
|
L2 entry #24: 0x40000000000f0000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1600k 64k
|
||||||
|
L2 entry #25: 0x4000000000100000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1664k 64k
|
||||||
|
L2 entry #26: 0x4000000000110000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1728k 64k
|
||||||
|
L2 entry #27: 0x4000000000120000 0000000000000000
|
||||||
|
write -q -c -P PATTERN 1792k 64k
|
||||||
|
L2 entry #28: 0x4000000000130000 0000000000000000
|
||||||
|
write -q -z -u 1152k 192k
|
||||||
|
L2 entry #18: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #19: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #20: 0x0000000000000000 ffffffff00000000
|
||||||
|
write -q -z -u 1376k 128k
|
||||||
|
L2 entry #21: 0x8000000000050000 00000000ffffffff
|
||||||
|
L2 entry #22: 0x8000000000060000 00000000ffffffff
|
||||||
|
L2 entry #23: 0x8000000000070000 00000000ffffffff
|
||||||
|
write -q -z -u 1567k 129k
|
||||||
|
L2 entry #24: 0x8000000000090000 00000000ffffffff
|
||||||
|
L2 entry #25: 0x80000000000e0000 00000000ffffffff
|
||||||
|
L2 entry #26: 0x80000000000f0000 00000000ffffffff
|
||||||
|
write -q -z -u 1759k 128k
|
||||||
|
L2 entry #27: 0x80000000000c0000 ffff00000000ffff
|
||||||
|
L2 entry #28: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #29: 0x0000000000000000 0000ffff00000000
|
||||||
|
|
||||||
|
### Discarding clusters with non-zero bitmaps (backing file: yes) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 ffffffff00000000
|
||||||
|
Image resized.
|
||||||
|
Image resized.
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 ffffffff00000000
|
||||||
|
|
||||||
|
### Discarding clusters with non-zero bitmaps (backing file: no) ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x0000000000000000 ffffffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 ffffffff00000000
|
||||||
|
Image resized.
|
||||||
|
Image resized.
|
||||||
|
L2 entry #0: 0x0000000000000000 0000ffff00000000
|
||||||
|
L2 entry #1: 0x0000000000000000 0000000000000000
|
||||||
|
|
||||||
|
### Corrupted L2 entries - read test (allocated) ###
|
||||||
|
|
||||||
|
# 'cluster is zero' bit set on the standard cluster descriptor
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x8000000000050001 0000000000000001
|
||||||
|
L2 entry #0: 0x8000000000050001 0000000000000001
|
||||||
|
|
||||||
|
# Both 'subcluster is zero' and 'subcluster is allocated' bits set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #1: 0x8000000000060000 00000001ffffffff
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
|
||||||
|
read failed: Input/output error
|
||||||
|
|
||||||
|
### Corrupted L2 entries - read test (unallocated) ###
|
||||||
|
|
||||||
|
# 'cluster is zero' bit set on the standard cluster descriptor
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x0000000000000001 0000000000000000
|
||||||
|
L2 entry #0: 0x0000000000000001 0000000000000000
|
||||||
|
|
||||||
|
# 'subcluster is allocated' bit set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x0000000000000000 0000000000000001
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
|
||||||
|
read failed: Input/output error
|
||||||
|
|
||||||
|
# Both 'subcluster is zero' and 'subcluster is allocated' bits set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #1: 0x0000000000000000 0000000100000001
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
|
||||||
|
read failed: Input/output error
|
||||||
|
|
||||||
|
### Compressed cluster with subcluster bitmap != 0 - read test ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x4000000000050000 0000000180000000
|
||||||
|
read 65536/65536 bytes at offset 0
|
||||||
|
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
L2 entry #0: 0x4000000000050000 0000000180000000
|
||||||
|
|
||||||
|
### Corrupted L2 entries - write test (allocated) ###
|
||||||
|
|
||||||
|
# 'cluster is zero' bit set on the standard cluster descriptor
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x8000000000050001 0000000000000001
|
||||||
|
L2 entry #0: 0x8000000000050001 0000000000000001
|
||||||
|
|
||||||
|
# Both 'subcluster is zero' and 'subcluster is allocated' bits set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #1: 0x8000000000060000 00000001ffffffff
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
|
||||||
|
write failed: Input/output error
|
||||||
|
|
||||||
|
### Corrupted L2 entries - write test (unallocated) ###
|
||||||
|
|
||||||
|
# 'cluster is zero' bit set on the standard cluster descriptor
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x0000000000000001 0000000000000000
|
||||||
|
L2 entry #0: 0x8000000000060000 0000000000000001
|
||||||
|
|
||||||
|
# 'subcluster is allocated' bit set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x0000000000000000 0000000000000001
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
|
||||||
|
write failed: Input/output error
|
||||||
|
|
||||||
|
# Both 'subcluster is zero' and 'subcluster is allocated' bits set
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #1: 0x0000000000000000 0000000100000001
|
||||||
|
qcow2: Marking image as corrupt: Invalid cluster entry found (L2 offset: 0x40000, L2 index: 0x1); further corruption events will be suppressed
|
||||||
|
write failed: Input/output error
|
||||||
|
|
||||||
|
### Compressed cluster with subcluster bitmap != 0 - write test ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x4000000000050000 0000000180000000
|
||||||
|
wrote 65536/65536 bytes at offset 0
|
||||||
|
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
L2 entry #0: 0x8000000000060000 00000000ffffffff
|
||||||
|
|
||||||
|
### Detect and repair unaligned clusters ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=131072
|
||||||
|
# Corrupted L2 entry, allocated subcluster #
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted.
|
||||||
|
ERROR cluster 6 refcount=0 reference=1
|
||||||
|
Rebuilding refcount structure
|
||||||
|
ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted.
|
||||||
|
Repairing cluster 1 refcount=1 reference=0
|
||||||
|
Repairing cluster 2 refcount=1 reference=0
|
||||||
|
ERROR offset=50200: Data cluster is not properly aligned; L2 entry corrupted.
|
||||||
|
The following inconsistencies were found and repaired:
|
||||||
|
|
||||||
|
0 leaked clusters
|
||||||
|
1 corruptions
|
||||||
|
|
||||||
|
Double checking the fixed image now...
|
||||||
|
|
||||||
|
1 errors were found on the image.
|
||||||
|
Data may be corrupted, or further writes to the image may corrupt it.
|
||||||
|
qcow2: Marking image as corrupt: Cluster allocation offset 0x50200 unaligned (L2 offset: 0x40000, L2 index: 0); further corruption events will be suppressed
|
||||||
|
read failed: Input/output error
|
||||||
|
# Corrupted L2 entry, no allocated subclusters #
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
Repairing offset=50200: Preallocated cluster is not properly aligned; L2 entry corrupted.
|
||||||
|
Leaked cluster 5 refcount=1 reference=0
|
||||||
|
Repairing cluster 5 refcount=1 reference=0
|
||||||
|
The following inconsistencies were found and repaired:
|
||||||
|
|
||||||
|
1 leaked clusters
|
||||||
|
1 corruptions
|
||||||
|
|
||||||
|
Double checking the fixed image now...
|
||||||
|
No errors were found on the image.
|
||||||
|
|
||||||
|
### Image creation options ###
|
||||||
|
|
||||||
|
# cluster_size < 16k
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
qemu-img: TEST_DIR/t.IMGFMT: Extended L2 entries are only supported with cluster sizes of at least 16384 bytes
|
||||||
|
# backing file and preallocation=metadata
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=raw size=1048576
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=metadata
|
||||||
|
Image resized.
|
||||||
|
read 524288/524288 bytes at offset 0
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 524288/524288 bytes at offset 524288
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Offset Length Mapped to File
|
||||||
|
0 0x80000 0 TEST_DIR/t.qcow2.base
|
||||||
|
# backing file and preallocation=falloc
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=falloc
|
||||||
|
Image resized.
|
||||||
|
read 524288/524288 bytes at offset 0
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 524288/524288 bytes at offset 524288
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Offset Length Mapped to File
|
||||||
|
0 0x80000 0 TEST_DIR/t.qcow2.base
|
||||||
|
# backing file and preallocation=full
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=524288 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw preallocation=full
|
||||||
|
Image resized.
|
||||||
|
read 524288/524288 bytes at offset 0
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 524288/524288 bytes at offset 524288
|
||||||
|
512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Offset Length Mapped to File
|
||||||
|
0 0x80000 0 TEST_DIR/t.qcow2.base
|
||||||
|
|
||||||
|
### Image resizing with preallocation and backing files ###
|
||||||
|
|
||||||
|
# resize --preallocation=metadata
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
# resize --preallocation=falloc
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
# resize --preallocation=full
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
|
||||||
|
### Image resizing with preallocation without backing files ###
|
||||||
|
|
||||||
|
# resize --preallocation=metadata
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072
|
||||||
|
wrote 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
# resize --preallocation=falloc
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072
|
||||||
|
wrote 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
# resize --preallocation=full
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=515072
|
||||||
|
wrote 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
Image resized.
|
||||||
|
read 515072/515072 bytes at offset 0
|
||||||
|
503 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
read 522240/522240 bytes at offset 515072
|
||||||
|
510 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
|
||||||
|
### qemu-img measure ###
|
||||||
|
|
||||||
|
# 512MB, extended_l2=off
|
||||||
|
required size: 327680
|
||||||
|
fully allocated size: 537198592
|
||||||
|
# 512MB, extended_l2=on
|
||||||
|
required size: 393216
|
||||||
|
fully allocated size: 537264128
|
||||||
|
# 16K clusters, 64GB, extended_l2=off
|
||||||
|
required size: 42008576
|
||||||
|
fully allocated size: 68761485312
|
||||||
|
# 16K clusters, 64GB, extended_l2=on
|
||||||
|
required size: 75579392
|
||||||
|
fully allocated size: 68795056128
|
||||||
|
# 8k clusters
|
||||||
|
qemu-img: Extended L2 entries are only supported with cluster sizes of at least 16384 bytes
|
||||||
|
# 1024 TB
|
||||||
|
required size: 309285027840
|
||||||
|
fully allocated size: 1126209191870464
|
||||||
|
# 1025 TB
|
||||||
|
qemu-img: The image size is too large (try using a larger cluster size)
|
||||||
|
|
||||||
|
### qemu-img amend ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
qemu-img: Invalid parameter 'extended_l2'
|
||||||
|
This option is only supported for image creation
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
qemu-img: Invalid parameter 'extended_l2'
|
||||||
|
This option is only supported for image creation
|
||||||
|
|
||||||
|
### Test copy-on-write on an image with snapshots ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
L2 entry #0: 0x8000000000050000 0000008000042000
|
||||||
|
L2 entry #1: 0x8000000000060000 0000008000042000
|
||||||
|
L2 entry #2: 0x8000000000070000 0000008000042000
|
||||||
|
L2 entry #3: 0x8000000000080000 0000008000042000
|
||||||
|
L2 entry #4: 0x8000000000090000 0000008000042000
|
||||||
|
L2 entry #5: 0x80000000000a0000 0000008000042000
|
||||||
|
L2 entry #6: 0x80000000000b0000 0000008000042000
|
||||||
|
L2 entry #7: 0x80000000000c0000 0000008000042000
|
||||||
|
L2 entry #8: 0x80000000000d0000 0000008000042000
|
||||||
|
L2 entry #9: 0x80000000000e0000 0000008000042000
|
||||||
|
L2 entry #0: 0x8000000000120000 000000800007e000
|
||||||
|
L2 entry #1: 0x8000000000130000 000000800007fc00
|
||||||
|
L2 entry #2: 0x8000000000140000 00000080001fe000
|
||||||
|
L2 entry #3: 0x8000000000150000 000000800007e000
|
||||||
|
L2 entry #4: 0x8000000000160000 000000000007ff80
|
||||||
|
L2 entry #5: 0x8000000000170000 000000000007ffff
|
||||||
|
L2 entry #6: 0x00000000000b0000 0001808000042000
|
||||||
|
L2 entry #7: 0x00000000000c0000 0000208000040000
|
||||||
|
L2 entry #8: 0x8000000000180000 000000800007e000
|
||||||
|
L2 entry #9: 0x00000000000e0000 000000c000042000
|
||||||
|
|
||||||
|
### Test concurrent requests ###
|
||||||
|
|
||||||
|
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
|
||||||
|
blkdebug: Suspended request 'A'
|
||||||
|
blkdebug: Resuming request 'A'
|
||||||
|
wrote 2048/2048 bytes at offset 30720
|
||||||
|
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
wrote 2048/2048 bytes at offset 20480
|
||||||
|
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
wrote 2048/2048 bytes at offset 40960
|
||||||
|
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||||
|
*** done
|
||||||
|
|
@ -284,6 +284,7 @@
|
||||||
267 rw auto quick snapshot
|
267 rw auto quick snapshot
|
||||||
268 rw auto quick
|
268 rw auto quick
|
||||||
270 rw backing quick
|
270 rw backing quick
|
||||||
|
271 rw auto
|
||||||
272 rw
|
272 rw
|
||||||
273 backing quick
|
273 backing quick
|
||||||
274 rw backing
|
274 rw backing
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue