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migration: Deprecate block migration

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It is obsolete.  It is better to use driver-mirror with NBD instead.

CC: Kevin Wolf <kwolf@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Hanna Czenczek <hreitz@redhat.com>

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231018115513.2163-5-quintela@redhat.com>
This commit is contained in:
Juan Quintela
2023-10-18 13:55:12 +02:00
parent 8846b5bfca
commit 66db46ca83
4 changed files with 45 additions and 6 deletions
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3
migration/block.c
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@@ -731,6 +731,9 @@ static int block_save_setup(QEMUFile *f, void *opaque)
trace_migration_block_save("setup", block_mig_state.submitted,
block_mig_state.transferred);
warn_report("block migration is deprecated;"
" use blockdev-mirror with NBD instead");
ret = init_blk_migration(f);
if (ret < 0) {
return ret;