linux-kernel - Re: [PATCH] ext4: clear DISCARD flag if device does not support discard

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Message-ID: <174226639140.1025346.17209079713890746591.b4-ty@mit.edu>
Date: Mon, 17 Mar 2025 23:41:24 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: adilger.kernel@...ger.ca, Diangang Li <lidiangang@...edance.com>
Cc: "Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ext4: clear DISCARD flag if device does not support discard


On Tue, 11 Mar 2025 10:13:10 +0800, Diangang Li wrote:
> commit 79add3a3f795e ("ext4: notify when discard is not supported")
> noted that keeping the DISCARD flag is for possibility that the underlying
> device might change in future even without file system remount. However,
> this scenario has rarely occurred in practice on the device side. Even if
> it does occur, it can be resolved with remount. Clearing the DISCARD flag
> not only prevents confusion caused by mount options but also avoids
> sending unnecessary discard commands.
> 
> [...]

Applied, thanks!

[1/1] ext4: clear DISCARD flag if device does not support discard
      commit: 1c81b7fbcea9ba75f059dcd1ed4c94543593378f

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