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authorPeter Maydell <peter.maydell@linaro.org>2015-03-16 19:19:03 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-03-16 19:19:04 +0000
commit3521f767067feedd06ef6d2efd24c1190c68638c (patch)
treeddf22090c77557ee8e3c716eb67b53164207b4f9 /qemu-doc.texi
parent17b11a1406fdc43b5022f32a6fbfcb005a353b38 (diff)
parent47aced5078e13d6c1f4fbb59616654e577af8aaa (diff)
Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches for 2.3-rc0 # gpg: Signature made Mon Mar 16 16:11:55 2015 GMT using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: block/vpc: remove disabled code from get_sector_offset block/vpc: rename footer->size -> footer->current_size block/vpc: make calculate_geometry spec conform vpc: Ignore geometry for large images block/vpc: optimize vpc_co_get_block_status block: Drop bdrv_find blockdev: Convert bdrv_find to blk_by_name migration: Convert bdrv_find to blk_by_name monitor: Convert bdrv_find to blk_by_name iotests: Test non-self-referential qcow2 refblocks iotests: Add tests for refcount table growth qcow2: Respect new_block in alloc_refcount_block() qemu-img: Avoid qerror_report_err() outside QMP handlers, again block: Fix block-set-write-threshold not to use funky error class block: Deprecate QCOW/QCOW2 encryption qemu-img: Fix convert, amend error messages for unknown options iotests: Update 051's reference output Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'qemu-doc.texi')
-rw-r--r--qemu-doc.texi11
1 files changed, 6 insertions, 5 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi
index f5b0dc4588..8aa6dbf5d7 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -539,8 +539,8 @@ storage.
@item qcow2
QEMU image format, the most versatile format. Use it to have smaller
images (useful if your filesystem does not supports holes, for example
-on Windows), optional AES encryption, zlib based compression and
-support of multiple VM snapshots.
+on Windows), zlib based compression and support of multiple VM
+snapshots.
Supported options:
@table @code
@@ -574,9 +574,10 @@ original file must then be securely erased using a program like shred,
though even this is ineffective with many modern storage technologies.
@end itemize
-Use of qcow / qcow2 encryption is thus strongly discouraged. Users are
-recommended to use an alternative encryption technology such as the
-Linux dm-crypt / LUKS system.
+Use of qcow / qcow2 encryption with QEMU is deprecated, and support for
+it will go away in a future release. Users are recommended to use an
+alternative encryption technology such as the Linux dm-crypt / LUKS
+system.
@item cluster_size
Changes the qcow2 cluster size (must be between 512 and 2M). Smaller cluster