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-rw-r--r--block/qcow2.c4
-rw-r--r--qapi/block-core.json5
-rw-r--r--tests/qemu-iotests/060.out1
-rwxr-xr-xtests/qemu-iotests/06523
-rw-r--r--tests/qemu-iotests/067.out5
-rw-r--r--tests/qemu-iotests/082.out7
-rw-r--r--tests/qemu-iotests/089.out2
7 files changed, 37 insertions, 10 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index e04ba6d56e..5c92803fff 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2482,7 +2482,8 @@ static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs)
};
if (s->qcow_version == 2) {
*spec_info->qcow2 = (ImageInfoSpecificQCow2){
- .compat = g_strdup("0.10"),
+ .compat = g_strdup("0.10"),
+ .refcount_bits = s->refcount_bits,
};
} else if (s->qcow_version == 3) {
*spec_info->qcow2 = (ImageInfoSpecificQCow2){
@@ -2493,6 +2494,7 @@ static ImageInfoSpecific *qcow2_get_specific_info(BlockDriverState *bs)
.corrupt = s->incompatible_features &
QCOW2_INCOMPAT_CORRUPT,
.has_corrupt = true,
+ .refcount_bits = s->refcount_bits,
};
}
diff --git a/qapi/block-core.json b/qapi/block-core.json
index a3fdaf02ba..90586a5949 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -41,13 +41,16 @@
# @corrupt: #optional true if the image has been marked corrupt; only valid for
# compat >= 1.1 (since 2.2)
#
+# @refcount-bits: width of a refcount entry in bits (since 2.3)
+#
# Since: 1.7
##
{ 'type': 'ImageInfoSpecificQCow2',
'data': {
'compat': 'str',
'*lazy-refcounts': 'bool',
- '*corrupt': 'bool'
+ '*corrupt': 'bool',
+ 'refcount-bits': 'int'
} }
##
diff --git a/tests/qemu-iotests/060.out b/tests/qemu-iotests/060.out
index dc9f6b7570..751118951f 100644
--- a/tests/qemu-iotests/060.out
+++ b/tests/qemu-iotests/060.out
@@ -18,6 +18,7 @@ cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
+ refcount bits: 16
corrupt: true
qemu-io: can't open device TEST_DIR/t.IMGFMT: IMGFMT: Image is corrupt; cannot be opened read/write
read 512/512 bytes at offset 0
diff --git a/tests/qemu-iotests/065 b/tests/qemu-iotests/065
index 8d3a9c9afd..72aa9707c7 100755
--- a/tests/qemu-iotests/065
+++ b/tests/qemu-iotests/065
@@ -88,34 +88,41 @@ class TestQMP(TestImageInfoSpecific):
class TestQCow2(TestQemuImgInfo):
'''Testing a qcow2 version 2 image'''
img_options = 'compat=0.10'
- json_compare = { 'compat': '0.10' }
- human_compare = [ 'compat: 0.10' ]
+ json_compare = { 'compat': '0.10', 'refcount-bits': 16 }
+ human_compare = [ 'compat: 0.10', 'refcount bits: 16' ]
class TestQCow3NotLazy(TestQemuImgInfo):
'''Testing a qcow2 version 3 image with lazy refcounts disabled'''
img_options = 'compat=1.1,lazy_refcounts=off'
- json_compare = { 'compat': '1.1', 'lazy-refcounts': False, 'corrupt': False }
- human_compare = [ 'compat: 1.1', 'lazy refcounts: false', 'corrupt: false' ]
+ json_compare = { 'compat': '1.1', 'lazy-refcounts': False,
+ 'refcount-bits': 16, 'corrupt': False }
+ human_compare = [ 'compat: 1.1', 'lazy refcounts: false',
+ 'refcount bits: 16', 'corrupt: false' ]
class TestQCow3Lazy(TestQemuImgInfo):
'''Testing a qcow2 version 3 image with lazy refcounts enabled'''
img_options = 'compat=1.1,lazy_refcounts=on'
- json_compare = { 'compat': '1.1', 'lazy-refcounts': True, 'corrupt': False }
- human_compare = [ 'compat: 1.1', 'lazy refcounts: true', 'corrupt: false' ]
+ json_compare = { 'compat': '1.1', 'lazy-refcounts': True,
+ 'refcount-bits': 16, 'corrupt': False }
+ human_compare = [ 'compat: 1.1', 'lazy refcounts: true',
+ 'refcount bits: 16', 'corrupt: false' ]
class TestQCow3NotLazyQMP(TestQMP):
'''Testing a qcow2 version 3 image with lazy refcounts disabled, opening
with lazy refcounts enabled'''
img_options = 'compat=1.1,lazy_refcounts=off'
qemu_options = 'lazy-refcounts=on'
- compare = { 'compat': '1.1', 'lazy-refcounts': False, 'corrupt': False }
+ compare = { 'compat': '1.1', 'lazy-refcounts': False,
+ 'refcount-bits': 16, 'corrupt': False }
+
class TestQCow3LazyQMP(TestQMP):
'''Testing a qcow2 version 3 image with lazy refcounts enabled, opening
with lazy refcounts disabled'''
img_options = 'compat=1.1,lazy_refcounts=on'
qemu_options = 'lazy-refcounts=off'
- compare = { 'compat': '1.1', 'lazy-refcounts': True, 'corrupt': False }
+ compare = { 'compat': '1.1', 'lazy-refcounts': True,
+ 'refcount-bits': 16, 'corrupt': False }
TestImageInfoSpecific = None
TestQemuImgInfo = None
diff --git a/tests/qemu-iotests/067.out b/tests/qemu-iotests/067.out
index 00b3eaefc7..6ff41bc7a1 100644
--- a/tests/qemu-iotests/067.out
+++ b/tests/qemu-iotests/067.out
@@ -32,6 +32,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk -device virti
"data": {
"compat": "1.1",
"lazy-refcounts": false,
+ "refcount-bits": 16,
"corrupt": false
}
},
@@ -208,6 +209,7 @@ Testing: -drive file=TEST_DIR/t.qcow2,format=qcow2,if=none,id=disk
"data": {
"compat": "1.1",
"lazy-refcounts": false,
+ "refcount-bits": 16,
"corrupt": false
}
},
@@ -414,6 +416,7 @@ Testing:
"data": {
"compat": "1.1",
"lazy-refcounts": false,
+ "refcount-bits": 16,
"corrupt": false
}
},
@@ -599,6 +602,7 @@ Testing:
"data": {
"compat": "1.1",
"lazy-refcounts": false,
+ "refcount-bits": 16,
"corrupt": false
}
},
@@ -710,6 +714,7 @@ Testing:
"data": {
"compat": "1.1",
"lazy-refcounts": false,
+ "refcount-bits": 16,
"corrupt": false
}
},
diff --git a/tests/qemu-iotests/082.out b/tests/qemu-iotests/082.out
index d0234e6137..38729dc219 100644
--- a/tests/qemu-iotests/082.out
+++ b/tests/qemu-iotests/082.out
@@ -18,6 +18,7 @@ cluster_size: 4096
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
@@ -29,6 +30,7 @@ cluster_size: 8192
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
@@ -190,6 +192,7 @@ cluster_size: 4096
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@@ -200,6 +203,7 @@ cluster_size: 8192
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: convert -O qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@@ -346,6 +350,7 @@ cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=130M -o lazy_refcounts=off TEST_DIR/t.qcow2
@@ -356,6 +361,7 @@ cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
+ refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=8M -o lazy_refcounts=on -o size=132M TEST_DIR/t.qcow2
@@ -366,6 +372,7 @@ cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
+ refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=4M,size=148M TEST_DIR/t.qcow2
diff --git a/tests/qemu-iotests/089.out b/tests/qemu-iotests/089.out
index a6d37118c7..5b541a340c 100644
--- a/tests/qemu-iotests/089.out
+++ b/tests/qemu-iotests/089.out
@@ -43,6 +43,7 @@ vm state offset: 512 MiB
Format specific information:
compat: 1.1
lazy refcounts: false
+ refcount bits: 16
corrupt: false
format name: IMGFMT
cluster size: 64 KiB
@@ -50,5 +51,6 @@ vm state offset: 512 MiB
Format specific information:
compat: 1.1
lazy refcounts: false
+ refcount bits: 16
corrupt: false
*** done
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 17:32:08 +0000