Re: [RFC PATCH v3 23/30] migration: Add direct-io parameter

2023-12-22 Thread Markus Armbruster
Fabiano Rosas writes: > Add the direct-io migration parameter that tells the migration code to > use O_DIRECT when opening the migration stream file whenever possible. Why is that useful? > This is currently only used with fixed-ram migration for the multifd > channels that transfer the RAM pag

[RFC PATCH v3 23/30] migration: Add direct-io parameter

2023-11-27 Thread Fabiano Rosas
Add the direct-io migration parameter that tells the migration code to use O_DIRECT when opening the migration stream file whenever possible. This is currently only used with fixed-ram migration for the multifd channels that transfer the RAM pages. Those channels only transfer the pages and are gu