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Re: [RFC PATCH v3 04/30] io: fsync before closing a file channel


From: Peter Xu
Subject: Re: [RFC PATCH v3 04/30] io: fsync before closing a file channel
Date: Thu, 11 Jan 2024 16:44:30 +0800

On Mon, Nov 27, 2023 at 05:25:46PM -0300, Fabiano Rosas wrote:
> Make sure the data is flushed to disk before closing file
> channels. This will ensure data is on disk at the end of a migration
> to file.

Looks reasonable, but just two (possibly naive) questions:

(1) Does this apply to all io channel users, or only migration?

(2) Why metadata doesn't matter (v.s. fsync(), when CONFIG_FDATASYNC=y)?

Thanks,

-- 
Peter Xu




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