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serve: Add a comment clarifying that a behaviour is safe

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nick
2013-09-23 10:53:55 +01:00
parent e161121c7a
commit 94654419c5
1 changed files with 5 additions and 1 deletions
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6
src/serve.c
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@@ -665,7 +665,11 @@ void* build_allocation_map_thread(void* serve_uncast)
* *incomplete* record of writes. Nobody will use it, as * *incomplete* record of writes. Nobody will use it, as
* allocation_map_built == 0 for the lifetime of the process. * allocation_map_built == 0 for the lifetime of the process.
* *
* The stream functionality can still be relied on. * The stream functionality can still be relied on. We don't need to
* worry about mirroring waiting for the allocation map to finish,
* because we already copy every byte at least once. If that changes in
* the future, we'll need to wait for the allocation map to finish or
* fail before we can complete the migration.
*/ */
warn( "Didn't build allocation map for %s", serve->filename ); warn( "Didn't build allocation map for %s", serve->filename );
} }