From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-118.freemail.mail.aliyun.com (out30-118.freemail.mail.aliyun.com [115.124.30.118]) (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 0079F3D5F27; Thu, 22 Jan 2026 16:40:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.118 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769100042; cv=none; b=nOSCkFDCZ7bc+AH6iqmqqTjQ2d+qJqp2FAHVTwtqCom/5W4G9Bcz9J5ux9c8X/fO3QIQr7EkcybDGPBxgErHLpsiVlQjGIcsrCQAxlqsHxOT+XNSI2CGU0t+MQf0ChGWJ8aBQ2QM5faJP9vsa4+NTHVAcsc6Nsl6mFCP4oBXjaA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769100042; c=relaxed/simple; bh=LFQ/OHmthFs8z30IX0b80eIK1cGfhlnFvuTJP9xo84I=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=MRzLiXffPm5uf0uH+ihMfBQsncGKv2n60roSUdSmfXBp5g8So5iR5iMD1iyamznR+J9tb2c/EcugRev29MLgyw4kB596OJXPE2IKNaOwuwf9K4UlShBjdt2LeOq35L0GtbRFZjmE/VMewZvTnw3W0Znzr6BviIqDZvQrduf91aM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=x1M6DtwY; arc=none smtp.client-ip=115.124.30.118 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="x1M6DtwY" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1769100034; h=Message-ID:Date:MIME-Version:Subject:To:From:Content-Type; bh=syGS9brh/yDzXJb2T0Cga/xLH20nK1dJL8Pud/2n4Lk=; b=x1M6DtwYJ9XGZf4MSpP/AgFSkdgAlR5aTfRKpM/igzlmbHMaO/XltD71Io83R6eF5qzPjlQchpQ6y/3hjrpmD24to5mePhMh6x8lsTRUb61hZi6Im+cCCc9MrpvxhavPfmrOAeOKGcn0ibpFutDwPkE6ZhAWDmi1zHFKlCchaFw= Received: from 30.180.182.138(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0Wxcwsl0_1769100033 cluster:ay36) by smtp.aliyun-inc.com; Fri, 23 Jan 2026 00:40:33 +0800 Message-ID: <87884a51-f6a7-486a-96f8-26d037f9dd76@linux.alibaba.com> Date: Fri, 23 Jan 2026 00:40:32 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v17 10/10] erofs: implement .fadvise for page cache share To: Hongbo Li Cc: hch@lst.de, djwong@kernel.org, amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, brauner@kernel.org, Chao Yu References: <20260122153406.660073-1-lihongbo22@huawei.com> <20260122153406.660073-11-lihongbo22@huawei.com> From: Gao Xiang In-Reply-To: <20260122153406.660073-11-lihongbo22@huawei.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2026/1/22 23:34, Hongbo Li wrote: > From: Hongzhen Luo > > This patch implements the .fadvise interface for page cache share. > Similar to overlayfs, it drops those clean, unused pages through > vfs_fadvise(). > > Signed-off-by: Hongzhen Luo > Signed-off-by: Hongbo Li Reviewed-by: Gao Xiang Thanks, Gao Xiang