linux-kernel - Re: [PATCH 1/2] ext4: Make mb_optimize_scan option work with set/unset mount cmd

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Message-Id: <164714672856.1260831.15800873658441936379.b4-ty@mit.edu>
Date:   Sat, 12 Mar 2022 23:45:40 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     Ojaswin Mujoo <ojaswin@...ux.ibm.com>, linux-ext4@...r.kernel.org
Cc:     "Theodore Ts'o" <tytso@....edu>,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ritesh Harjani <riteshh@...ux.ibm.com>
Subject: Re: [PATCH 1/2] ext4: Make mb_optimize_scan option work with set/unset mount cmd

On Tue, 8 Mar 2022 15:22:00 +0530, Ojaswin Mujoo wrote:
> After moving to the new mount API, mb_optimize_scan mount option
> handling was not working as expected due to the parsed value always
> being overwritten by default. Refactor and fix this to the expected
> behavior described below:
> 
> *  mb_optimize_scan=1 - On
> *  mb_optimize_scan=0 - Off
> *  mb_optimize_scan not passed - On if no. of BGs > threshold else off
> *  Remounts retain previous value unless we explicitly pass the option
>    with a new value
> 
> [...]

Applied, thanks!

[1/2] ext4: Make mb_optimize_scan option work with set/unset mount cmd
      commit: 27b38686a3bb601db48901dbc4e2fc5d77ffa2c1
[2/2] ext4: Make mb_optimize_scan performance mount option work with extents
      commit: 077d0c2c78df6f7260cdd015a991327efa44d8ad

Best regards,
-- 
Theodore Ts'o <tytso@....edu>