From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 29D6D60DCF; Wed, 20 Nov 2024 08:36:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732091811; cv=none; b=KH5PbZtlaPxbbcS1NEqRmNlLIKPQsq93Mjvhr5ZyJLa8/Cq4mCPxyLM0a34DSeEb85RapbiJi0jbgMHJ1oVCopaOhGkDCAlRGI/cRcQqZYxSVtzh7vi2gJYC3ahQ6APkHNXopfP6TkR4PLQA3VYBZ/LfLh5DpK5WQXXFwmTu10E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732091811; c=relaxed/simple; bh=s3ybmZ+VLfqqhBLlXqh9eJHCy+npnwwZoO4G5H/Gdvg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=anDkUfEcUXKjHIuS3sVok86P7yvO9/quofg6l85xwc2BhN4XBEtG4oiT9pBfJJSDpj0lvl/htl7ZNjuVpKZN8phQvHZSnOm860+H+111sJuFTrQfAZTxOjLq9b66kZQDqlJPDrrD4jEgMgdVCgd5gAZxTf++MGUpgT2reLhdzxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ATojxO5/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ATojxO5/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58E60C4CECD; Wed, 20 Nov 2024 08:36:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732091810; bh=s3ybmZ+VLfqqhBLlXqh9eJHCy+npnwwZoO4G5H/Gdvg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ATojxO5/2XvITDWTWEwaFVdudV1xxhuCW22QXFp6T2+zKOB1B+H78hN5SNnmFUPIm RbJuafLMGNFkJlZMAcMbwpoCiuvxPp1pYSvJ1RLeU98TnDbsND8cnkJBM3vcSSJmGo NastYTiELnLQGFq4zbgD5/dDhJq0c72q95fE6vsfvLE6SgfcNh3eviGetYYVmj4F2M 0X1PGI+YGiwNdsCoMMoiqmM7xOBG2efLWBBLs2QYe3GY/aJeDYfwj8Zp0Rl/zaZJOl yJfGJzm4y+crfOK/UlSeZorRrtnW2lDFFAv/fWtIdagtwPDw+JLTfP85LyWAJaXlW6 dEhlLGBZnYeDw== Date: Wed, 20 Nov 2024 09:36:46 +0100 From: Christian Brauner To: Mateusz Guzik Cc: Al Viro , Jan Kara , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [RFC PATCH] vfs: dodge strlen() in vfs_readlink() when ->i_link is populated Message-ID: <20241120-harmonie-ankam-96a9a270908d@brauner> References: <20241118085357.494178-1-mjguzik@gmail.com> <20241118115359.mzzx3avongvfqaha@quack3> <20241118144104.wjoxtdumjr4xaxcv@quack3> <20241118154418.GH3387508@ZenIV> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: > Apart from the few things I posted I have no immediate plans to mess > with anything vfs (I do have some plans to reduce the cost of memcg > though). Woh woh woh, you're our new perf specialist. You can't just wander off. ;)