linux-ext4 - Re: [PATCH v2 5/5] ext4: declare support for FOP

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Message-ID: <aFqfwHofm_eXb5zw@casper.infradead.org>
Date: Tue, 24 Jun 2025 13:53:20 +0100
From: Matthew Wilcox <willy@...radead.org>
To: 陈涛涛 Taotao Chen <chentaotao@...iglobal.com>
Cc: "tytso@....edu" <tytso@....edu>,
	"hch@...radead.org" <hch@...radead.org>,
	"adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>,
	"brauner@...nel.org" <brauner@...nel.org>,
	"jani.nikula@...ux.intel.com" <jani.nikula@...ux.intel.com>,
	"rodrigo.vivi@...el.com" <rodrigo.vivi@...el.com>,
	"tursulin@...ulin.net" <tursulin@...ulin.net>,
	"airlied@...il.com" <airlied@...il.com>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
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	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"chentao325@...com" <chentao325@...com>
Subject: Re: [PATCH v2 5/5] ext4: declare support for FOP_DONTCACHE

On Tue, Jun 24, 2025 at 12:12:10PM +0000, 陈涛涛 Taotao Chen wrote:
> From: Taotao Chen <chentaotao@...iglobal.com>
> 
> Set the FOP_DONTCACHE flag in ext4_file_operations to indicate that
> ext4 supports IOCB_DONTCACHE handling in buffered write paths.

I think this patch should be combined with the previous patch so we
see all the change needed to support DONTCACHE in one patch.