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Re: [Qemu-devel] [PATCH v2 1/5] option: Make option help nicer to read
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From: |
Marc-André Lureau |
|
Subject: |
Re: [Qemu-devel] [PATCH v2 1/5] option: Make option help nicer to read |
|
Date: |
Mon, 5 Nov 2018 12:14:20 +0400 |
On Fri, Oct 19, 2018 at 8:49 PM Max Reitz <address@hidden> wrote:
>
> This adds some whitespace into the option help (including indentation)
> and puts angle brackets around the type names. Furthermore, the list
> name is no longer printed as part of every line, but only once in
> advance, and only if the caller did not print a caption already.
>
> This patch also restores the description alignment we had before commit
> 9cbef9d68ee1d8d0, just at 24 instead of 16 characters like we used to.
> This increase is because now we have the type and two spaces of
> indentation before the description, and with a usual type name length of
> three chracters, this sums up to eight additional characters -- which
> means that we now need 24 characters to get the same amount of padding
> for most options. Also, 24 is a third of 80, which makes it kind of a
> round number in terminal terms.
>
> Finally, this patch amends the reference output of iotest 082 to match
> the changes (and thus makes it pass again).
>
> Signed-off-by: Max Reitz <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
> ---
> include/qemu/option.h | 2 +-
> qemu-img.c | 4 +-
> util/qemu-option.c | 32 +-
> tests/qemu-iotests/082.out | 956 ++++++++++++++++++-------------------
> 4 files changed, 507 insertions(+), 487 deletions(-)
>
> diff --git a/include/qemu/option.h b/include/qemu/option.h
> index 3dfb4493cc..844587cab3 100644
> --- a/include/qemu/option.h
> +++ b/include/qemu/option.h
> @@ -132,7 +132,7 @@ typedef int (*qemu_opts_loopfunc)(void *opaque, QemuOpts
> *opts, Error **errp);
> int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
> void *opaque, Error **errp);
> void qemu_opts_print(QemuOpts *opts, const char *sep);
> -void qemu_opts_print_help(QemuOptsList *list);
> +void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
> void qemu_opts_free(QemuOptsList *list);
> QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
>
> diff --git a/qemu-img.c b/qemu-img.c
> index b12f4cd19b..4c96db7ba4 100644
> --- a/qemu-img.c
> +++ b/qemu-img.c
> @@ -269,7 +269,7 @@ static int print_block_option_help(const char *filename,
> const char *fmt)
> }
>
> printf("Supported options:\n");
> - qemu_opts_print_help(create_opts);
> + qemu_opts_print_help(create_opts, false);
> qemu_opts_free(create_opts);
> return 0;
> }
> @@ -3773,7 +3773,7 @@ static int print_amend_option_help(const char *format)
> assert(drv->create_opts);
>
> printf("Creation options for '%s':\n", format);
> - qemu_opts_print_help(drv->create_opts);
> + qemu_opts_print_help(drv->create_opts, false);
> printf("\nNote that not all of these options may be amendable.\n");
> return 0;
> }
> diff --git a/util/qemu-option.c b/util/qemu-option.c
> index 9a5f263294..de42e2a406 100644
> --- a/util/qemu-option.c
> +++ b/util/qemu-option.c
> @@ -224,7 +224,14 @@ static const char *opt_type_to_string(enum QemuOptType
> type)
> g_assert_not_reached();
> }
>
> -void qemu_opts_print_help(QemuOptsList *list)
> +/**
> + * Print the list of options available in the given list. If
> + * @print_caption is true, a caption (including the list name, if it
> + * exists) is printed. The options itself will be indented, so
> + * @print_caption should only be set to false if the caller prints its
> + * own custom caption (so that the indentation makes sense).
> + */
> +void qemu_opts_print_help(QemuOptsList *list, bool print_caption)
> {
> QemuOptDesc *desc;
> int i;
> @@ -234,12 +241,12 @@ void qemu_opts_print_help(QemuOptsList *list)
> desc = list->desc;
> while (desc && desc->name) {
> GString *str = g_string_new(NULL);
> - if (list->name) {
> - g_string_append_printf(str, "%s.", list->name);
> - }
> - g_string_append_printf(str, "%s=%s", desc->name,
> + g_string_append_printf(str, " %s=<%s>", desc->name,
> opt_type_to_string(desc->type));
> if (desc->help) {
> + if (str->len < 24) {
> + g_string_append_printf(str, "%*s", 24 - (int)str->len, "");
> + }
> g_string_append_printf(str, " - %s", desc->help);
> }
> g_ptr_array_add(array, g_string_free(str, false));
> @@ -247,6 +254,19 @@ void qemu_opts_print_help(QemuOptsList *list)
> }
>
> g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
> + if (print_caption && array->len > 0) {
> + if (list->name) {
> + printf("%s options:\n", list->name);
> + } else {
> + printf("Options:\n");
> + }
> + } else if (array->len == 0) {
> + if (list->name) {
> + printf("There are no options for %s.\n", list->name);
> + } else {
> + printf("No options available.\n");
> + }
> + }
> for (i = 0; i < array->len; i++) {
> printf("%s\n", (char *)array->pdata[i]);
> }
> @@ -930,7 +950,7 @@ QemuOpts *qemu_opts_parse_noisily(QemuOptsList *list,
> const char *params,
> opts = opts_parse(list, params, permit_abbrev, false, &invalidp, &err);
> if (err) {
> if (invalidp && has_help_option(params)) {
> - qemu_opts_print_help(list);
> + qemu_opts_print_help(list, true);
> error_free(err);
> } else {
> error_report_err(err);
> diff --git a/tests/qemu-iotests/082.out b/tests/qemu-iotests/082.out
> index 19e9fb13ff..0ce18c075b 100644
> --- a/tests/qemu-iotests/082.out
> +++ b/tests/qemu-iotests/082.out
> @@ -44,171 +44,171 @@ cluster_size: 8192
>
> Testing: create -f qcow2 -o help TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o ? TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2 128M
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -f qcow2 -u -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 cluster_size=65536 lazy_refcounts=off
> refcount_bits=16
> @@ -227,27 +227,27 @@ qemu-img: Invalid option list: ,,
>
> Testing: create -f qcow2 -o help
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: create -o help
> Supported options:
> -size Virtual disk size
> + size=<size> - Virtual disk size
>
> Testing: create -f bochs -o help
> qemu-img: Format driver 'bochs' does not support image creation
> @@ -300,171 +300,171 @@ cluster_size: 8192
>
> Testing: convert -O qcow2 -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o ? TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
> TEST_DIR/t.qcow2.base
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -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)
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + nocow=<bool (on/off)> - Turn off copy-on-write (valid only on btrfs)
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,help
> TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
> qemu-img: Could not open 'TEST_DIR/t.qcow2.base': Could not open backing
> file: Could not open 'TEST_DIR/t.qcow2,help': No such file or directory
> @@ -483,27 +483,27 @@ qemu-img: Invalid option list: ,,
>
> Testing: convert -O qcow2 -o help
> Supported options:
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Testing: convert -o help
> Supported options:
> -size Virtual disk size
> + size=<size> - Virtual disk size
>
> Testing: convert -O bochs -o help
> qemu-img: Format driver 'bochs' does not support image creation
> @@ -564,177 +564,177 @@ cluster_size: 65536
>
> Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> @@ -757,29 +757,29 @@ qemu-img: Invalid option list: ,,
>
> Testing: amend -f qcow2 -o help
> Creation options for 'qcow2':
> -size Virtual disk size
> -compat Compatibility level (0.10 or 1.1)
> -backing_file File name of a base image
> -backing_fmt Image format of the base image
> -encryption Encrypt the image with format 'aes'. (Deprecated in favor
> of encrypt.format=aes)
> -encrypt.format Encrypt the image, format choices: 'aes', 'luks'
> -encrypt.key-secret ID of secret providing qcow AES key or LUKS passphrase
> -encrypt.cipher-alg Name of encryption cipher algorithm
> -encrypt.cipher-mode Name of encryption cipher mode
> -encrypt.ivgen-alg Name of IV generator algorithm
> -encrypt.ivgen-hash-alg Name of IV generator hash algorithm
> -encrypt.hash-alg Name of encryption hash algorithm
> -encrypt.iter-time Time to spend in PBKDF in milliseconds
> -cluster_size qcow2 cluster size
> -preallocation Preallocation mode (allowed values: off, metadata, falloc,
> full)
> -lazy_refcounts Postpone refcount updates
> -refcount_bits Width of a reference count entry in bits
> + backing_file=<str> - File name of a base image
> + backing_fmt=<str> - Image format of the base image
> + cluster_size=<size> - qcow2 cluster size
> + compat=<str> - Compatibility level (0.10 or 1.1)
> + encrypt.cipher-alg=<str> - Name of encryption cipher algorithm
> + encrypt.cipher-mode=<str> - Name of encryption cipher mode
> + encrypt.format=<str> - Encrypt the image, format choices: 'aes', 'luks'
> + encrypt.hash-alg=<str> - Name of encryption hash algorithm
> + encrypt.iter-time=<num> - Time to spend in PBKDF in milliseconds
> + encrypt.ivgen-alg=<str> - Name of IV generator algorithm
> + encrypt.ivgen-hash-alg=<str> - Name of IV generator hash algorithm
> + encrypt.key-secret=<str> - ID of secret providing qcow AES key or LUKS
> passphrase
> + encryption=<bool (on/off)> - Encrypt the image with format 'aes'.
> (Deprecated in favor of encrypt.format=aes)
> + lazy_refcounts=<bool (on/off)> - Postpone refcount updates
> + preallocation=<str> - Preallocation mode (allowed values: off,
> metadata, falloc, full)
> + refcount_bits=<num> - Width of a reference count entry in bits
> + size=<size> - Virtual disk size
>
> Note that not all of these options may be amendable.
>
> Testing: convert -o help
> Supported options:
> -size Virtual disk size
> + size=<size> - Virtual disk size
>
> Testing: amend -f bochs -o help
> qemu-img: Format driver 'bochs' does not support option amendment
> --
> 2.17.1
>
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- Re: [Qemu-devel] [PATCH v2 1/5] option: Make option help nicer to read,
Marc-André Lureau <=