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[RFC,v3,28/30] docs/devel/migration.rst: Document the file transport

Message ID 20231127202612.23012-29-farosas@suse.de
State New
Headers show
Series migration: File based migration with multifd and fixed-ram | expand

Commit Message

Fabiano Rosas Nov. 27, 2023, 8:26 p.m. UTC
When adding the support for file migration with the file: transport,
we missed adding documentation for it.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 docs/devel/migration.rst | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/docs/devel/migration.rst b/docs/devel/migration.rst
index eeb4fec31f..1488e5b2f9 100644
--- a/docs/devel/migration.rst
+++ b/docs/devel/migration.rst
@@ -41,6 +41,10 @@  over any transport.
 - exec migration: do the migration using the stdin/stdout through a process.
 - fd migration: do the migration using a file descriptor that is
   passed to QEMU.  QEMU doesn't care how this file descriptor is opened.
+- file migration: do the migration using a file that is passed to QEMU
+  by path. A file offset option is supported to allow a management
+  application to add its own metadata to the start of the file without
+  QEMU interference.
 
 In addition, support is included for migration using RDMA, which
 transports the page data using ``RDMA``, where the hardware takes care of