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Thu, 29 Jan 2026 00:07:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14440C4CEF1; Thu, 29 Jan 2026 00:07:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769645225; bh=lfyZ4POXsdioqMKuqaRNweLV2tFbTPixspZnM/3+dX8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bKz8kFRQJBfdfvCfeA6cBhYEmtB1jXZX00j6mhJEQDXw1lRBo20fCwU/y/V/bqbSb /jDa6Vi+dDa1h2NX3tKbReT6YMIxAwbcKFeCa4XMZKZc6LzRBWNGZN2XnNjmOIcNAX bkbBryG3mygwRoGxdjBG2xpw7K+RSg3eLDEaRG6rQbG3JVCo5xQYAikEY0soDafviF pMCltZTWO2X32rPUaXHsQsg00jKqqvzf35SU+geNxGNUNKcs4xA3iQboEHx1U/R0cw bG5tvNdATouuDeiMxQdNyHhvOfuYs3LfkFZIqbORMTNmsyQM8HQZRrlY9UanKM8dQQ 4BQxOFUO2BlFw== Date: Wed, 28 Jan 2026 16:07:02 -0800 To: Christoph Hellwig Message-ID: <20260129000702.GD2024@quark> References: <20260128152630.627409-1-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260128152630.627409-1-hch@lst.de> X-Headers-End: 1vlFZ6-0002gt-JG Subject: Re: [f2fs-dev] fsverity cleanups, speedup and memory usage optimization v4 X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Eric Biggers via Linux-f2fs-devel Reply-To: Eric Biggers Cc: fsverity@lists.linux.dev, Christian Brauner , Theodore Ts'o , Andrey Albershteyn , Matthew Wilcox , linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, Al Viro , Jaegeuk Kim , David Sterba , Jan Kara , linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Wed, Jan 28, 2026 at 04:26:12PM +0100, Christoph Hellwig wrote: > Hi all, > > this series has a hodge podge of fsverity enhances that I looked into as > part of the review of the xfs fsverity support series. > > The first part calls fsverity code from VFS code instead of requiring > boilerplate in the file systems. > > The first patch fixes a bug in btrfs as part of that, as btrfs was missing > a check. An xfstests test case for this was submitted already. > Can we expedite this fix? > > The middle part optimizes the fsverity read path by kicking off readahead > for the fsverity hashes from the data read submission context, which in my > simply testing showed huge benefits for sequential reads using dd. > I haven't been able to get fio to run on a preallocated fio file, but > I expect random read benefits would be significantly better than that > still. To get things going, I've applied patches 1-6 to https://git.kernel.org/pub/scm/fs/fsverity/linux.git/log/?h=for-next I couldn't go further, due to the bugs in patches 7 and 8. - Eric _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel