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qcow2: Allow creation with refcount order != 4 

Add a creation option to qcow2 for setting the refcount order of images
to be created, and respect that option's value.

This breaks some test outputs, fix them.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2015-02-18 17:40:49 -05:00 committed by Kevin Wolf
parent 5262caa754
commit 06d05fa738
5 changed files with 126 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
block/qcow2.c
View File

@ -2079,6 +2079,15 @@ static int qcow2_create(const char *filename, QemuOpts *opts, Error **errp)
goto finish; goto finish;
} }
refcount_bits = qemu_opt_get_number_del(opts, BLOCK_OPT_REFCOUNT_BITS,
refcount_bits);
if (refcount_bits > 64 || !is_power_of_2(refcount_bits)) {
error_setg(errp, "Refcount width must be a power of two and may not "
"exceed 64 bits");
ret = -EINVAL;
goto finish;
}
if (version < 3 && refcount_bits != 16) { if (version < 3 && refcount_bits != 16) {
error_setg(errp, "Different refcount widths than 16 bits require " error_setg(errp, "Different refcount widths than 16 bits require "
"compatibility level 1.1 or above (use compat=1.1 or " "compatibility level 1.1 or above (use compat=1.1 or "
@ -2712,6 +2721,9 @@ static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts,
} else if (!strcmp(desc->name, BLOCK_OPT_LAZY_REFCOUNTS)) { } else if (!strcmp(desc->name, BLOCK_OPT_LAZY_REFCOUNTS)) {
lazy_refcounts = qemu_opt_get_bool(opts, BLOCK_OPT_LAZY_REFCOUNTS, lazy_refcounts = qemu_opt_get_bool(opts, BLOCK_OPT_LAZY_REFCOUNTS,
lazy_refcounts); lazy_refcounts);
} else if (!strcmp(desc->name, BLOCK_OPT_REFCOUNT_BITS)) {
error_report("Cannot change refcount entry width");
return -ENOTSUP;
} else { } else {
/* if this assertion fails, this probably means a new option was /* if this assertion fails, this probably means a new option was
* added without having it covered here */ * added without having it covered here */
@ -2881,6 +2893,12 @@ static QemuOptsList qcow2_create_opts = {
.help = "Postpone refcount updates", .help = "Postpone refcount updates",
.def_value_str = "off" .def_value_str = "off"
}, },
{
.name = BLOCK_OPT_REFCOUNT_BITS,
.type = QEMU_OPT_NUMBER,
.help = "Width of a reference count entry in bits",
.def_value_str = "16"
},
{ /* end of list */ } { /* end of list */ }
} }
}; };

1
include/block/block_int.h
View File

@ -57,6 +57,7 @@
#define BLOCK_OPT_REDUNDANCY "redundancy" #define BLOCK_OPT_REDUNDANCY "redundancy"
#define BLOCK_OPT_NOCOW "nocow" #define BLOCK_OPT_NOCOW "nocow"
#define BLOCK_OPT_OBJECT_SIZE "object_size" #define BLOCK_OPT_OBJECT_SIZE "object_size"
#define BLOCK_OPT_REFCOUNT_BITS "refcount_bits"
#define BLOCK_PROBE_BUF_SIZE 512 #define BLOCK_PROBE_BUF_SIZE 512

108
tests/qemu-iotests/049.out
View File

@ -4,90 +4,90 @@ QA output created by 049
== 1. Traditional size parameter == == 1. Traditional size parameter ==
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024 qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024b qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024b
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1k qemu-img create -f qcow2 TEST_DIR/t.qcow2 1k
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1K qemu-img create -f qcow2 TEST_DIR/t.qcow2 1K
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1M qemu-img create -f qcow2 TEST_DIR/t.qcow2 1M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1048576 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1048576 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1G qemu-img create -f qcow2 TEST_DIR/t.qcow2 1G
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1T qemu-img create -f qcow2 TEST_DIR/t.qcow2 1T
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1099511627776 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1099511627776 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024.0 qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024.0
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024.0b qemu-img create -f qcow2 TEST_DIR/t.qcow2 1024.0b
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5k qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5k
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5K qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5K
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5M qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1572864 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1572864 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5G qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5G
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1610612736 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1610612736 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5T qemu-img create -f qcow2 TEST_DIR/t.qcow2 1.5T
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1649267441664 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1649267441664 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
== 2. Specifying size via -o == == 2. Specifying size via -o ==
qemu-img create -f qcow2 -o size=1024 TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1024 TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1024b TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1024b TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1k TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1k TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1K TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1K TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1M TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1M TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1048576 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1048576 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1G TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1G TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1T TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1T TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1099511627776 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1099511627776 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1024.0 TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1024.0 TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1024.0b TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1024.0b TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1.5k TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1.5k TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1.5K TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1.5K TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1536 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1.5M TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1.5M TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1572864 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1572864 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1.5G TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1.5G TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1610612736 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1610612736 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o size=1.5T TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1.5T TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1649267441664 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1649267441664 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
== 3. Invalid sizes == == 3. Invalid sizes ==
@ -97,7 +97,7 @@ qemu-img: Image size must be less than 8 EiB!
qemu-img create -f qcow2 -o size=-1024 TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=-1024 TEST_DIR/t.qcow2
qemu-img: qcow2 doesn't support shrinking images yet qemu-img: qcow2 doesn't support shrinking images yet
qemu-img: TEST_DIR/t.qcow2: Could not resize image: Operation not supported qemu-img: TEST_DIR/t.qcow2: Could not resize image: Operation not supported
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=-1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=-1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1k qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- -1k
qemu-img: Image size must be less than 8 EiB! qemu-img: Image size must be less than 8 EiB!
@ -105,14 +105,14 @@ qemu-img: Image size must be less than 8 EiB!
qemu-img create -f qcow2 -o size=-1k TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=-1k TEST_DIR/t.qcow2
qemu-img: qcow2 doesn't support shrinking images yet qemu-img: qcow2 doesn't support shrinking images yet
qemu-img: TEST_DIR/t.qcow2: Could not resize image: Operation not supported qemu-img: TEST_DIR/t.qcow2: Could not resize image: Operation not supported
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=-1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=-1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- 1kilobyte qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- 1kilobyte
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes. qemu-img: kilobytes, megabytes, gigabytes, terabytes, petabytes and exabytes.
qemu-img create -f qcow2 -o size=1kilobyte TEST_DIR/t.qcow2 qemu-img create -f qcow2 -o size=1kilobyte TEST_DIR/t.qcow2
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=1024 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- foobar qemu-img create -f qcow2 TEST_DIR/t.qcow2 -- foobar
qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for qemu-img: Invalid image size specified! You may use k, M, G, T, P or E suffixes for
@ -125,84 +125,84 @@ qemu-img: TEST_DIR/t.qcow2: Invalid options for file format 'qcow2'
== Check correct interpretation of suffixes for cluster size == == Check correct interpretation of suffixes for cluster size ==
qemu-img create -f qcow2 -o cluster_size=1024 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1024 TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1024b TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1024b TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1k TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1k TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1K TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1K TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1M TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1M TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1048576 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1048576 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1024.0 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1024.0 TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=1024.0b TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=1024.0b TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=1024 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=0.5k TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=0.5k TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=512 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=512 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=0.5K TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=0.5K TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=512 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=512 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o cluster_size=0.5M TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o cluster_size=0.5M TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=524288 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=524288 lazy_refcounts=off refcount_bits=16
== Check compat level option == == Check compat level option ==
qemu-img create -f qcow2 -o compat=0.10 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=0.10 TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o compat=1.1 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=1.1 TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o compat=0.42 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=0.42 TEST_DIR/t.qcow2 64M
qemu-img: TEST_DIR/t.qcow2: Invalid compatibility level: '0.42' qemu-img: TEST_DIR/t.qcow2: Invalid compatibility level: '0.42'
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.42' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.42' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o compat=foobar TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=foobar TEST_DIR/t.qcow2 64M
qemu-img: TEST_DIR/t.qcow2: Invalid compatibility level: 'foobar' qemu-img: TEST_DIR/t.qcow2: Invalid compatibility level: 'foobar'
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='foobar' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='foobar' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
== Check preallocation option == == Check preallocation option ==
qemu-img create -f qcow2 -o preallocation=off TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o preallocation=off TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='off' lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='off' lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o preallocation=metadata TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o preallocation=metadata TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='metadata' lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='metadata' lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o preallocation=1234 TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o preallocation=1234 TEST_DIR/t.qcow2 64M
qemu-img: TEST_DIR/t.qcow2: invalid parameter value: 1234 qemu-img: TEST_DIR/t.qcow2: invalid parameter value: 1234
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='1234' lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 preallocation='1234' lazy_refcounts=off refcount_bits=16
== Check encryption option == == Check encryption option ==
qemu-img create -f qcow2 -o encryption=off TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o encryption=off TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o encryption=on TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o encryption=on TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=on cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 encryption=on cluster_size=65536 lazy_refcounts=off refcount_bits=16
== Check lazy_refcounts option (only with v3) == == Check lazy_refcounts option (only with v3) ==
qemu-img create -f qcow2 -o compat=1.1,lazy_refcounts=off TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=1.1,lazy_refcounts=off TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o compat=1.1,lazy_refcounts=on TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=1.1,lazy_refcounts=on TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=on Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=on refcount_bits=16
qemu-img create -f qcow2 -o compat=0.10,lazy_refcounts=off TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=0.10,lazy_refcounts=off TEST_DIR/t.qcow2 64M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
qemu-img create -f qcow2 -o compat=0.10,lazy_refcounts=on TEST_DIR/t.qcow2 64M qemu-img create -f qcow2 -o compat=0.10,lazy_refcounts=on TEST_DIR/t.qcow2 64M
qemu-img: TEST_DIR/t.qcow2: Lazy refcounts only supported with compatibility level 1.1 and above (use compat=1.1 or greater) qemu-img: TEST_DIR/t.qcow2: Lazy refcounts only supported with compatibility level 1.1 and above (use compat=1.1 or greater)
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=on Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 compat='0.10' encryption=off cluster_size=65536 lazy_refcounts=on refcount_bits=16
*** done *** done

41
tests/qemu-iotests/082.out
View File

@ -3,14 +3,14 @@ QA output created by 082
=== create: Options specified more than once === === create: Options specified more than once ===
Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
image: TEST_DIR/t.IMGFMT image: TEST_DIR/t.IMGFMT
file format: IMGFMT file format: IMGFMT
virtual size: 128M (134217728 bytes) virtual size: 128M (134217728 bytes)
cluster_size: 65536 cluster_size: 65536
Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=4096 lazy_refcounts=on Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=4096 lazy_refcounts=on refcount_bits=16
image: TEST_DIR/t.IMGFMT image: TEST_DIR/t.IMGFMT
file format: IMGFMT file format: IMGFMT
virtual size: 128M (134217728 bytes) virtual size: 128M (134217728 bytes)
@ -22,7 +22,7 @@ Format specific information:
corrupt: false corrupt: false
Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=on Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=on refcount_bits=16
image: TEST_DIR/t.IMGFMT image: TEST_DIR/t.IMGFMT
file format: IMGFMT file format: IMGFMT
virtual size: 128M (134217728 bytes) virtual size: 128M (134217728 bytes)
@ -34,7 +34,7 @@ Format specific information:
corrupt: false corrupt: false
Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=8192 lazy_refcounts=off refcount_bits=16
image: TEST_DIR/t.IMGFMT image: TEST_DIR/t.IMGFMT
file format: IMGFMT file format: IMGFMT
virtual size: 128M (134217728 bytes) virtual size: 128M (134217728 bytes)
@ -52,6 +52,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
@ -64,6 +65,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
@ -76,6 +78,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
@ -88,6 +91,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
@ -100,6 +104,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
@ -112,6 +117,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
@ -124,6 +130,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
@ -136,13 +143,14 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,help' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,help' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,?' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2,?' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 128M Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 128M
qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2, qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
@ -163,6 +171,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
Testing: create -o help Testing: create -o help
Supported options: Supported options:
@ -171,7 +180,7 @@ size Virtual disk size
=== convert: Options specified more than once === === convert: Options specified more than once ===
Testing: create -f qcow2 TEST_DIR/t.qcow2 128M Testing: create -f qcow2 TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base image: TEST_DIR/t.IMGFMT.base
@ -224,6 +233,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -236,6 +246,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -248,6 +259,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -260,6 +272,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -272,6 +285,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -284,6 +298,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -296,6 +311,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -308,6 +324,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
@ -335,6 +352,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
Testing: convert -o help Testing: convert -o help
Supported options: Supported options:
@ -393,6 +411,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
@ -405,6 +424,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
@ -417,6 +437,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
@ -429,6 +450,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
@ -441,6 +463,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
@ -453,6 +476,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
@ -465,6 +489,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
@ -477,6 +502,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
nocow Turn off copy-on-write (valid only on btrfs) nocow Turn off copy-on-write (valid only on btrfs)
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2 Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2
@ -506,6 +532,7 @@ encryption Encrypt the image
cluster_size qcow2 cluster size cluster_size qcow2 cluster size
preallocation Preallocation mode (allowed values: off, metadata, falloc, full) preallocation Preallocation mode (allowed values: off, metadata, falloc, full)
lazy_refcounts Postpone refcount updates lazy_refcounts Postpone refcount updates
refcount_bits Width of a reference count entry in bits
Testing: convert -o help Testing: convert -o help
Supported options: Supported options:

38
tests/qemu-iotests/085.out
View File

@ -11,7 +11,7 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
=== Create a single snapshot on virtio0 === === Create a single snapshot on virtio0 ===
Formatting 'TEST_DIR/1-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2.orig' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/1-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2.orig' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
=== Invalid command - missing device and nodename === === Invalid command - missing device and nodename ===
@ -25,31 +25,31 @@ Formatting 'TEST_DIR/1-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file
=== Create several transactional group snapshots === === Create several transactional group snapshots ===
Formatting 'TEST_DIR/2-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/1-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/2-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/1-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/2-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/2-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/t.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/3-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/2-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/3-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/2-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/3-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/2-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/3-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/2-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/4-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/3-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/4-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/3-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/4-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/3-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/4-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/3-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/5-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/4-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/5-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/4-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/5-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/4-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/5-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/4-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/6-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/5-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/6-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/5-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/6-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/5-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/6-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/5-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/7-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/6-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/7-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/6-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/7-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/6-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/7-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/6-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/8-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/7-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/8-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/7-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/8-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/7-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/8-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/7-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/9-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/8-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/9-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/8-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/9-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/8-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/9-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/8-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
Formatting 'TEST_DIR/10-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/9-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/10-snapshot-v0.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/9-snapshot-v0.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Formatting 'TEST_DIR/10-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/9-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off Formatting 'TEST_DIR/10-snapshot-v1.qcow2', fmt=qcow2 size=134217728 backing_file='TEST_DIR/9-snapshot-v1.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
{"return": {}} {"return": {}}
*** done *** done