Extend the list of supported formats, update and clarify comment in qemu.conf.in (removed misleading sentence about the order of compression format types). Signed-off-by: Adam Julis <ajulis(a)redhat.com&gt; --- libvirt.spec.in | 1 + src/qemu/qemu.conf.in | 7 +++---- src/qemu/qemu_saveimage.c | 2 ++ 3 files changed, 6 insertions(+), 4 deletions(-) diff --git a/libvirt.spec.in b/libvirt.spec.in index 64018192b6..88c62f6d92 100644 --- a/libvirt.spec.in +++ b/libvirt.spec.in @@ -815,6 +815,7 @@ Requires: gzip Requires: bzip2 Requires: lzop Requires: xz +Requires: zstd Requires: systemd-container Requires: swtpm-tools %if %{with_numad} diff --git a/src/qemu/qemu.conf.in b/src/qemu/qemu.conf.in index f406df8749..6bc2140dcb 100644 --- a/src/qemu/qemu.conf.in +++ b/src/qemu/qemu.conf.in @@ -582,10 +582,9 @@ # memory from the domain is dumped out directly to a file. If you have # guests with a large amount of memory, however, this can take up quite # a bit of space. If you would like to compress the images while they -# are being saved to disk, you can also set "lzop", "gzip", "bzip2", or "xz" -# for save_image_format. Note that this means you slow down the process of -# saving a domain in order to save disk space; the list above is in descending -# order by performance and ascending order by compression ratio. +# are being saved to disk, you can also set "zstd", "lzop", "gzip", "bzip2", +# or "xz" for save_image_format. Note that this means you slow down the process +# of saving a domain in order to save disk space. # # save_image_format is used when you use 'virsh save' or 'virsh managedsave' # at scheduled saving, and it is an error if the specified save_image_format diff --git a/src/qemu/qemu_saveimage.c b/src/qemu/qemu_saveimage.c index 89112e3e44..018ab5a222 100644 --- a/src/qemu/qemu_saveimage.c +++ b/src/qemu/qemu_saveimage.c @@ -47,6 +47,7 @@ typedef enum { */ QEMU_SAVE_FORMAT_XZ = 3, QEMU_SAVE_FORMAT_LZOP = 4, + QEMU_SAVE_FORMAT_ZSTD = 5, /* Note: add new members only at the end. These values are used in the on-disk format. Do not change or re-use numbers. */ @@ -62,6 +63,7 @@ VIR_ENUM_IMPL(qemuSaveCompression, "bzip2", "xz", "lzop", + "zstd", ); static inline void -- 2.44.0