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@xxxxxxxxxx>
---
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
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