qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Alberto Garcia <berto@igalia.com>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
	Anton Nefedov <anton.nefedov@virtuozzo.com>,
	Alberto Garcia <berto@igalia.com>,
	qemu-block@nongnu.org, Max Reitz <mreitz@redhat.com>,
	Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	"Denis V . Lunev" <den@openvz.org>
Subject: [RFC PATCH v2 26/26] iotests: Add tests for qcow2 images with extended L2 entries
Date: Sun, 27 Oct 2019 00:25:28 +0300	[thread overview]
Message-ID: <bed503e1c1b0067a5c9c98f3834315f8be161312.1572125022.git.berto@igalia.com> (raw)
In-Reply-To: <cover.1572125022.git.berto@igalia.com>

Signed-off-by: Alberto Garcia <berto@igalia.com>
---
 tests/qemu-iotests/271     | 235 +++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/271.out | 183 +++++++++++++++++++++++++++++
 tests/qemu-iotests/group   |   1 +
 3 files changed, 419 insertions(+)
 create mode 100755 tests/qemu-iotests/271
 create mode 100644 tests/qemu-iotests/271.out

diff --git a/tests/qemu-iotests/271 b/tests/qemu-iotests/271
new file mode 100755
index 0000000000..c49433cdc9
--- /dev/null
+++ b/tests/qemu-iotests/271
@@ -0,0 +1,235 @@
+#!/bin/bash
+#
+# Test qcow2 images with extended L2 entries
+#
+# Copyright (C) 2019 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 "$TEST_IMG.raw"
+        rm -f "$TEST_IMG.backing"
+}
+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
+
+IMGOPTS="extended_l2=on"
+l2_offset=262144 # 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'
+}
+
+_read_l2_entry()
+{
+    entry_no=$1
+    nentries=$2
+    offset=$(($l2_offset + $entry_no * 16))
+    length=$((nentries * 16))
+    $QEMU_IO -f raw -c "read -v $offset $length" "$TEST_IMG" | _filter_qemu_io | head -n -2
+}
+
+_test_write()
+{
+    cmd="$1"
+    l2_entry_idx="$2"
+    l2_entry_num="$3"
+    raw_cmd=`echo $1 | sed s/-c//` # Raw images don't support -c
+    echo "$cmd"
+    $QEMU_IO -c "$cmd" "$TEST_IMG" | _filter_qemu_io
+    $QEMU_IO -c "$raw_cmd" -f raw "$TEST_IMG.raw" | _filter_qemu_io
+    _verify_img
+    if [ -n "$l2_entry_idx" ]; then
+        _read_l2_entry "$l2_entry_idx" "$l2_entry_num"
+    fi
+}
+
+_reset_img()
+{
+    $QEMU_IMG create -f raw "$TEST_IMG.raw" 1M | _filter_img_create
+    if [ "$use_backing_file" = "yes" ]; then
+        $QEMU_IMG create -f raw "$TEST_IMG.backing" 1M | _filter_img_create
+        $QEMU_IO -c 'write -q -P 0xFF 0 1M' -f raw "$TEST_IMG.backing" | _filter_qemu_io
+        $QEMU_IO -c 'write -q -P 0xFF 0 1M' -f raw "$TEST_IMG.raw" | _filter_qemu_io
+        _make_test_img -b "$TEST_IMG.backing" 1M
+    else
+        _make_test_img 1M
+    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
+    ### Write subcluster #0 (beginning of subcluster) ###
+    _test_write 'write -q -P 1 0 1k' 0 1
+
+    ### Write subcluster #1 (middle of subcluster) ###
+    _test_write 'write -q -P 2 3k 512' 0 1
+
+    ### Write subcluster #2 (end of subcluster) ###
+    _test_write 'write -q -P 3 5k 1k' 0 1
+
+    ### Write subcluster #3 (full subcluster) ###
+    _test_write 'write -q -P 4 6k 2k' 0 1
+
+    ### Write subclusters #4-6 (full subclusters) ###
+    _test_write 'write -q -P 5 8k 6k' 0 1
+
+    ### Write subclusters #7-9 (partial subclusters) ###
+    _test_write 'write -q -P 6 15k 4k' 0 1
+
+    ### Write subcluster #16 (partial subcluster) ###
+    _test_write 'write -q -P 7 32k 1k' 0 2
+
+    ### Write subcluster #31-#34 (cluster overlap) ###
+    _test_write 'write -q -P 8 63k 4k' 0 2
+
+    ### Zero subcluster #1 (TODO: use the "all zeros" bit)
+    _test_write 'write -q -z 2k 2k' 0 1
+
+    ### Zero cluster #0
+    _test_write 'write -q -z 0 64k' 0 1
+
+    ### Fill cluster #0 with data
+    _test_write 'write -q -P 9 0 64k' 0 1
+
+    ### Zero and unmap half of cluster #0 (this won't unmap it)
+    _test_write 'write -q -z -u 0 32k' 0 1
+
+    ### Zero and unmap cluster #0
+    _test_write 'write -q -z -u 0 64k' 0 1
+
+    ### Write subcluster #2 (middle of subcluster)
+    _test_write 'write -q -P 10 3k 512' 0 1
+
+    ### Fill cluster #0 with data
+    _test_write 'write -q -P 11 0 64k' 0 1
+
+    ### Discard cluster #0
+    _test_write 'discard -q 0 64k' 0 1
+
+    ### Write compressed data to cluster #0
+    _test_write 'write -q -c -P 12 0 64k' 0 1
+
+    ### Write subcluster #2 (middle of subcluster)
+    _test_write 'write -q -P 13 3k 512' 0 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
+    _make_test_img 1M
+    $QEMU_IO -c 'write -q 0 2k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+7)) "\x01"
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
+
+    echo
+    echo "# Both 'subcluster is zero' and 'subcluster is allocated' bits set"
+    echo
+    _make_test_img 1M
+    $QEMU_IO -c 'write -q 0 2k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+8)) "\x80"
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$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
+    _make_test_img 1M
+    # Write to cluster #4 in order to initialize the L2 table
+    $QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+7)) "\x01"
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
+
+    echo
+    echo "# 'subcluster is allocated' bit set"
+    echo
+    _make_test_img 1M
+    # Write to cluster #4 in order to initialize the L2 table
+    $QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+12)) "\x80"
+    _read_l2_entry 0 1
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
+
+    echo
+    echo "# Both 'subcluster is zero' and 'subcluster is allocated' bits set"
+    echo
+    _make_test_img 1M
+    # Write to cluster #4 in order to initialize the L2 table
+    $QEMU_IO -c 'write -q 256k 1k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+8)) "\x80\x00\x00\x00\x80"
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
+
+    echo
+    echo "### Compressed cluster with subcluster bitmap != 0 - $corruption_test_cmd test ###"
+    echo
+    _make_test_img 1M
+    $QEMU_IO -c 'write -q -c 0 64k' "$TEST_IMG"
+    poke_file "$TEST_IMG" $(($l2_offset+8)) "\x01"
+    $QEMU_IO -c "$corruption_test_cmd 0 1k" "$TEST_IMG"
+done
+
+echo
+echo "### Image creation options ###"
+echo
+echo "# cluster_size < 16k"
+IMGOPTS="extended_l2=on,cluster_size=8k" _make_test_img 1M
+
+echo "# backing file and preallocation=metadata"
+IMGOPTS="extended_l2=on,preallocation=metadata" _make_test_img -b "$TEST_IMG.backing" 1M
+
+echo "# backing file and preallocation=falloc"
+IMGOPTS="extended_l2=on,preallocation=falloc" _make_test_img -b "$TEST_IMG.backing" 1M
+
+echo "# backing file and preallocation=full"
+IMGOPTS="extended_l2=on,preallocation=full" _make_test_img -b "$TEST_IMG.backing" 1M
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
+
diff --git a/tests/qemu-iotests/271.out b/tests/qemu-iotests/271.out
new file mode 100644
index 0000000000..fa4da573e0
--- /dev/null
+++ b/tests/qemu-iotests/271.out
@@ -0,0 +1,183 @@
+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.backing', fmt=raw size=1048576
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.backing
+write -q -P 1 0 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 80 00 00 00  ................
+write -q -P 2 3k 512
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 c0 00 00 00  ................
+write -q -P 3 5k 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 e0 00 00 00  ................
+write -q -P 4 6k 2k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 f0 00 00 00  ................
+write -q -P 5 8k 6k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 fe 00 00 00  ................
+write -q -P 6 15k 4k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 00 00  ................
+write -q -P 7 32k 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 00  ................
+00040010:  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
+write -q -P 8 63k 4k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 01  ................
+00040010:  80 00 00 00 00 06 00 00 00 00 00 00 c0 00 00 00  ................
+write -q -z 2k 2k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 01  ................
+write -q -z 0 64k
+00040000:  80 00 00 00 00 05 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -P 9 0 64k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+write -q -z -u 0 32k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+write -q -z -u 0 64k
+00040000:  00 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -P 10 3k 512
+00040000:  80 00 00 00 00 05 00 00 bf ff ff ff 40 00 00 00  ................
+write -q -P 11 0 64k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+discard -q 0 64k
+00040000:  00 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -c -P 12 0 64k
+00040000:  40 00 00 00 00 05 00 00 00 00 00 00 00 00 00 00  ................
+write -q -P 13 3k 512
+00040000:  80 00 00 00 00 07 00 00 00 00 00 00 ff ff ff ff  ................
+
+### 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 1 0 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 80 00 00 00  ................
+write -q -P 2 3k 512
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 c0 00 00 00  ................
+write -q -P 3 5k 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 e0 00 00 00  ................
+write -q -P 4 6k 2k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 f0 00 00 00  ................
+write -q -P 5 8k 6k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 fe 00 00 00  ................
+write -q -P 6 15k 4k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 00 00  ................
+write -q -P 7 32k 1k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 00  ................
+00040010:  00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
+write -q -P 8 63k 4k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 01  ................
+00040010:  80 00 00 00 00 06 00 00 00 00 00 00 c0 00 00 00  ................
+write -q -z 2k 2k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff c0 80 01  ................
+write -q -z 0 64k
+00040000:  80 00 00 00 00 05 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -P 9 0 64k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+write -q -z -u 0 32k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+write -q -z -u 0 64k
+00040000:  00 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -P 10 3k 512
+00040000:  80 00 00 00 00 05 00 00 bf ff ff ff 40 00 00 00  ................
+write -q -P 11 0 64k
+00040000:  80 00 00 00 00 05 00 00 00 00 00 00 ff ff ff ff  ................
+discard -q 0 64k
+00040000:  00 00 00 00 00 00 00 00 ff ff ff ff 00 00 00 00  ................
+write -q -c -P 12 0 64k
+00040000:  40 00 00 00 00 05 00 00 00 00 00 00 00 00 00 00  ................
+write -q -P 13 3k 512
+00040000:  80 00 00 00 00 07 00 00 00 00 00 00 ff ff ff ff  ................
+
+### 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
+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
+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
+
+### 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
+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
+
+# 'subcluster is allocated' bit set
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
+00040000:  00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00  ................
+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
+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
+
+### Compressed cluster with subcluster bitmap != 0 - read test ###
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
+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
+
+### 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
+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
+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
+
+### 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
+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
+
+# 'subcluster is allocated' bit set
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
+00040000:  00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00  ................
+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
+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
+
+### Compressed cluster with subcluster bitmap != 0 - write test ###
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
+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
+
+### Image creation options ###
+
+# cluster_size < 16k
+qemu-img: TEST_DIR/t.IMGFMT: Extended L2 entries are only supported with cluster sizes of at least 16384 bytes
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576
+# backing file and preallocation=metadata
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.backing preallocation=metadata
+# backing file and preallocation=falloc
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.backing preallocation=falloc
+# backing file and preallocation=full
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.backing preallocation=full
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index af322af756..945e6d68cc 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -282,3 +282,4 @@
 267 rw auto quick snapshot
 268 rw auto quick
 270 rw backing quick
+271 rw auto
-- 
2.20.1



  parent reply	other threads:[~2019-10-26 21:48 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-26 21:25 [RFC PATCH v2 00/26] Add subcluster allocation to qcow2 Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 01/26] qcow2: Add calculate_l2_meta() Alberto Garcia
2019-10-28 12:50   ` Vladimir Sementsov-Ogievskiy
2019-10-30 15:56     ` Alberto Garcia
2019-10-30 12:04   ` Max Reitz
2019-10-30 16:02     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 02/26] qcow2: Split cluster_needs_cow() out of count_cow_clusters() Alberto Garcia
2019-10-28 13:55   ` Vladimir Sementsov-Ogievskiy
2019-10-26 21:25 ` [RFC PATCH v2 03/26] qcow2: Process QCOW2_CLUSTER_ZERO_ALLOC clusters in handle_copied() Alberto Garcia
2019-10-30 14:24   ` Max Reitz
2019-11-13 14:25     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 04/26] qcow2: Add get_l2_entry() and set_l2_entry() Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 05/26] qcow2: Document the Extended L2 Entries feature Alberto Garcia
2019-10-30 16:23   ` Max Reitz
2019-10-30 22:38     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 06/26] qcow2: Add dummy has_subclusters() function Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 07/26] qcow2: Add subcluster-related fields to BDRVQcow2State Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 08/26] qcow2: Add offset_to_sc_index() Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 09/26] qcow2: Add l2_entry_size() Alberto Garcia
2019-10-30 16:47   ` Max Reitz
2019-10-26 21:25 ` [RFC PATCH v2 10/26] qcow2: Update get/set_l2_entry() and add get/set_l2_bitmap() Alberto Garcia
2019-10-30 16:55   ` Max Reitz
2019-11-14 13:57     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 11/26] qcow2: Add qcow2_get_subcluster_type() Alberto Garcia
2019-11-04 12:35   ` Max Reitz
2019-11-04 15:01     ` Max Reitz
2019-10-26 21:25 ` [RFC PATCH v2 12/26] qcow2: Handle QCOW2_CLUSTER_UNALLOCATED_SUBCLUSTER Alberto Garcia
2019-11-04 12:57   ` Max Reitz
2019-11-04 13:03     ` Alberto Garcia
2019-11-04 13:10       ` Max Reitz
2019-11-07 14:44         ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 13/26] qcow2: Add subcluster support to calculate_l2_meta() Alberto Garcia
2019-11-04 14:21   ` Max Reitz
2019-11-08 15:18     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 14/26] qcow2: Add subcluster support to qcow2_get_cluster_offset() Alberto Garcia
2019-11-04 14:58   ` Max Reitz
2019-11-08 15:42     ` Alberto Garcia
2019-11-11  8:42       ` Max Reitz
2019-10-26 21:25 ` [RFC PATCH v2 15/26] qcow2: Add subcluster support to zero_in_l2_slice() Alberto Garcia
2019-11-04 15:04   ` Max Reitz
2019-11-04 15:10     ` Max Reitz
2019-11-14 15:31       ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 16/26] qcow2: Add subcluster support to discard_in_l2_slice() Alberto Garcia
2019-11-04 15:07   ` Max Reitz
2019-11-14 15:33     ` Alberto Garcia
2019-11-14 16:22       ` Max Reitz
2019-10-26 21:25 ` [RFC PATCH v2 17/26] qcow2: Add subcluster support to check_refcounts_l2() Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 18/26] qcow2: Add subcluster support to expand_zero_clusters_in_l1() Alberto Garcia
2019-11-05 11:05   ` Max Reitz
2019-11-14 15:43     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 19/26] qcow2: Fix offset calculation in handle_dependencies() Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 20/26] qcow2: Update L2 bitmap in qcow2_alloc_cluster_link_l2() Alberto Garcia
2019-11-05 11:43   ` Max Reitz
2019-11-14 16:30     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 21/26] qcow2: Clear the L2 bitmap when allocating a compressed cluster Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 22/26] qcow2: Add subcluster support to handle_alloc_space() Alberto Garcia
2019-11-05 12:05   ` Max Reitz
2019-10-26 21:25 ` [RFC PATCH v2 23/26] qcow2: Restrict qcow2_co_pwrite_zeroes() to full clusters only Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 24/26] qcow2: Add the 'extended_l2' option and the QCOW2_INCOMPAT_EXTL2 bit Alberto Garcia
2019-11-05 12:47   ` Max Reitz
2019-11-15 13:35     ` Alberto Garcia
2019-10-26 21:25 ` [RFC PATCH v2 25/26] qcow2: Allow preallocation and backing files if extended_l2 is set Alberto Garcia
2019-11-05 13:11   ` Max Reitz
2019-10-26 21:25 ` Alberto Garcia [this message]
2019-11-05 13:32 ` [RFC PATCH v2 00/26] Add subcluster allocation to qcow2 Max Reitz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=bed503e1c1b0067a5c9c98f3834315f8be161312.1572125022.git.berto@igalia.com \
    --to=berto@igalia.com \
    --cc=anton.nefedov@virtuozzo.com \
    --cc=den@openvz.org \
    --cc=kwolf@redhat.com \
    --cc=mreitz@redhat.com \
    --cc=qemu-block@nongnu.org \
    --cc=qemu-devel@nongnu.org \
    --cc=vsementsov@virtuozzo.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).