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docs/devel/migration.rst: Document the file transport 

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>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240220224138.24759-2-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
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Fabiano Rosas 2024-02-20 19:41:05 -03:00 committed by Peter Xu
parent 158a054c4d
commit c35462f19b
1 changed files with 4 additions and 0 deletions
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docs/devel/migration/main.rst
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@ -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