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qemu/tests/qemu-iotests/082.out
John Snow 6e6e55f5c2 qemu-img: Check for backing image if specified during create 
Or, rather, force the open of a backing image if one was specified
for creation. Using a similar -unsafe option as rebase, allow qemu-img
to ignore the backing file validation if possible.

It may not always be possible, as in the existing case when a filesize
for the new image was not specified.

This is accomplished by shifting around the conditionals in
bdrv_img_create, such that a backing file is always opened unless we
provide BDRV_O_NO_BACKING. qemu-img is adjusted to pass this new flag
when -u is provided to create.

Sorry for the heinous looking diffstat, but it's mostly whitespace.

Inspired by: https://bugzilla.redhat.com/show_bug.cgi?id=1213786

Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2017-07-18 15:27:37 +02:00

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QA output created by 082
=== create: Options specified more than once ===
Testing: create -f foo -f qcow2 TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 65536
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 cluster_size=4096 lazy_refcounts=on refcount_bits=16
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 4096
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: create -f qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=8192 lazy_refcounts=on refcount_bits=16
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 8192
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: create -f qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=8192 lazy_refcounts=off refcount_bits=16
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 8192
=== create: help for -o ===
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)
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)
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)
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)
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)
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)
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)
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)
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
Testing: create -f qcow2 -u -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,,? 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
qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 128M
qemu-img: Invalid option list: ,help
Testing: create -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 128M
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
Testing: create -o help
Supported options:
size Virtual disk size
=== convert: Options specified more than once ===
Testing: create -f qcow2 TEST_DIR/t.qcow2 128M
Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Testing: convert -f foo -f qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base
file format: raw
virtual size: 128M (134217728 bytes)
Testing: convert -O foo -O qcow2 TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 65536
Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 4096
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: convert -O qcow2 -o cluster_size=4k -o lazy_refcounts=on -o cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 8192
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: convert -O qcow2 -o cluster_size=4k,cluster_size=8k TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
image: TEST_DIR/t.IMGFMT.base
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 8192
=== convert: help for -o ===
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)
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)
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)
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)
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)
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)
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)
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)
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
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2,,? 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,?': No such file or directory
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
qemu-img: Invalid option list: ,help
Testing: convert -O qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.base
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
Testing: convert -o help
Supported options:
size Virtual disk size
=== amend: Options specified more than once ===
Testing: amend -f foo -f qcow2 -o lazy_refcounts=on TEST_DIR/t.qcow2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 128M (134217728 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=130M -o lazy_refcounts=off TEST_DIR/t.qcow2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 130M (136314880 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=8M -o lazy_refcounts=on -o size=132M TEST_DIR/t.qcow2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 132M (138412032 bytes)
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: false
Testing: amend -f qcow2 -o size=4M,size=148M TEST_DIR/t.qcow2
image: TEST_DIR/t.IMGFMT
file format: IMGFMT
virtual size: 148M (155189248 bytes)
cluster_size: 65536
=== amend: help for -o ===
Testing: amend -f qcow2 -o help TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o ? TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o cluster_size=4k,help TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o cluster_size=4k,? TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o help,cluster_size=4k TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o ?,cluster_size=4k TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o cluster_size=4k -o help TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o cluster_size=4k -o ? TEST_DIR/t.qcow2
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)
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,help TEST_DIR/t.qcow2
Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2,,? TEST_DIR/t.qcow2
Testing: rebase -u -b -f qcow2 TEST_DIR/t.qcow2
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2, -o help TEST_DIR/t.qcow2
qemu-img: Invalid option list: backing_file=TEST_DIR/t.qcow2,
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,help TEST_DIR/t.qcow2
qemu-img: Invalid option list: ,help
Testing: amend -f qcow2 -o backing_file=TEST_DIR/t.qcow2 -o ,, -o help TEST_DIR/t.qcow2
qemu-img: Invalid option list: ,,
Testing: amend -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
Testing: convert -o help
Supported options:
size Virtual disk size
*** done
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