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From: Christoph Hellwig <hch@infradead.org>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Ext4 Developers List <linux-ext4@vger.kernel.org>,
	linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH 1/3] ext4: return the extent cache information via fiemap
Date: Sat, 10 Aug 2019 00:33:43 -0700	[thread overview]
Message-ID: <20190810073343.GA12777@infradead.org> (raw)
In-Reply-To: <20190809181831.10618-1-tytso@mit.edu>


On Fri, Aug 09, 2019 at 02:18:29PM -0400, Theodore Ts'o wrote:
> For debugging reasons, it's useful to know the contents of the extent
> cache.  Since the extent cache contains much of what is in the fiemap
> ioctl, extend the fiemap interface to return this information via some
> ext4-specific flags.

Nak.  No weird fs specific fiemap flags that aren't even in the uapi
header.  Please provide your own debug only interface.

       reply	other threads:[~2019-08-10  7:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190809181831.10618-1-tytso@mit.edu>
2019-08-10  7:33 ` Christoph Hellwig [this message]
2019-08-11 16:15   ` [PATCH 1/3] ext4: return the extent cache information via fiemap Theodore Y. Ts'o
2019-08-12  6:47     ` Christoph Hellwig

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