Re: mount options lazytime

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Владимир Тимофиев <elimelech007@xxxxxxxxx> writes:

> Good afternoon!
> Please tell me these mount options to register properly:
>
> # / was on /dev/sda6 during installation
> UUID=d655749d-9d0b-48b9-a255-92efd6a36997 /               ext4
> errors=remount-ro,relatime,lazytime 0       1
>
> lazytime or relatime,lazytime  or you can just leave lazytime ?
relatime is an option which delay atime update.
lazytime is an option which delay atime and mtime update.
See https://lwn.net/Articles/621046/

You should enable lazytime if you care about latency on write path.
For example io_submit() may block on synchronous mtime update.
> Thanks for the answer!
>
> -- 
> Желаю вам поддержки Свыше и успеха!
>
> С уважением,
> Ваш  Владимир Тимофиев <http://copi.ru/94717/>
> NrybXǧv^)޺{.n+{{x{ayʇڙ,jfhzwj:+vwjmzZ+ݢj"!

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