Re: [PATCH V4 13/18] qemu: Support O_DIRECT with mapped-ram on save
On Wed, Mar 05, 2025 at 03:48:22PM -0700, Jim Fehlig via Devel wrote:
When using the mapped-ram migration capability, direct IO is
enabled by setting the "direct-io" migration parameter to
"true" and passing QEMU an additional fd with O_DIRECT set.
Signed-off-by: Jim Fehlig <jfehlig(a)suse.com>
---
src/qemu/qemu_driver.c | 10 ++++++----
src/qemu/qemu_migration.c | 32 ++++++++++++++++++++++++++------
src/qemu/qemu_migration.h | 1 +
src/qemu/qemu_migration_params.c | 11 ++++++++++-
src/qemu/qemu_migration_params.h | 3 ++-
src/qemu/qemu_monitor.c | 7 +++++--
src/qemu/qemu_monitor.h | 3 ++-
src/qemu/qemu_saveimage.c | 2 +-
8 files changed, 53 insertions(+), 16 deletions(-)
Reviewed-by: Daniel P. Berrangé <berrange(a)redhat.com>
With regards,
Daniel
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