From nobody Mon Feb 9 16:32:38 2026 Received: from canpmsgout05.his.huawei.com (canpmsgout05.his.huawei.com [113.46.200.220]) (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 E364A31D393; Fri, 16 Jan 2026 10:08:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.220 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768558126; cv=none; b=fykteLkMLIOKL2RQI748pUja9p7CkMhV+XtY9DKi8XavGQ/lDUJ43e73lz3s2c/6VrG7wR4aDjyGmrA/KJPT9g8fZI77h3/++3gpIh/JhVN+XDeY4XkgJNPWaj7GPEWmmSA5Y1k1wMb9mlHKXyBisQM7MHXUFz2k+Arx//NYnRI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768558126; c=relaxed/simple; bh=S7RjyECHRDHNXIL1Al8k3RPWxT6vjUtdtCg4YK41Swo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=aZSHh8MbHQuQeyX9nzE2tDLBVBXCFogHgYO+IxPA1f8ID4B1V7gMTiV50IQjPO3iLwE/V9ir9ULg0Z2m5ijFom0e80Z6B6LVs0MdzQPaVpK5qKT1Qm4xDF6iiJWoERoqcDZG7tA/+9tFtJitFgEp/L9RBPqogqW1E9nXvHmMjvU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=6vbCpnyS; arc=none smtp.client-ip=113.46.200.220 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="6vbCpnyS" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=Ii4OAViqYCm/sgHCVWzYCGvcDaSOgZiGOYibBrZpOYU=; b=6vbCpnySXkmEqQBj+K55ndCgfd4lrG6flgNfy05ERumm6g/PuPxdBMSEG46fc1SwIvzqG7gg+ 1+WQ3JCBdt0XUhX2EChxqn0BVx0dlMHswwEPUz0SaTu0tPTlwDgXoNAw249+FBw+UlUxb7wWNZW cBSMB8miZLhswOMENMspOgk= Received: from mail.maildlp.com (unknown [172.19.163.0]) by canpmsgout05.his.huawei.com (SkyGuard) with ESMTPS id 4dswTf34yDz12LrW; Fri, 16 Jan 2026 18:05:42 +0800 (CST) Received: from kwepemr500015.china.huawei.com (unknown [7.202.195.162]) by mail.maildlp.com (Postfix) with ESMTPS id 798AE405A2; Fri, 16 Jan 2026 18:08:41 +0800 (CST) Received: from huawei.com (10.67.174.162) by kwepemr500015.china.huawei.com (7.202.195.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 16 Jan 2026 18:08:40 +0800 From: Hongbo Li To: , , CC: , , , , , , Subject: [PATCH v15 4/9] erofs: support domain-specific page cache share Date: Fri, 16 Jan 2026 09:55:45 +0000 Message-ID: <20260116095550.627082-5-lihongbo22@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20260116095550.627082-1-lihongbo22@huawei.com> References: <20260116095550.627082-1-lihongbo22@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemr500015.china.huawei.com (7.202.195.162) Content-Type: text/plain; charset="utf-8" From: Hongzhen Luo Only files in the same domain will share the page cache. Also modify the sysfs related content in preparation for the upcoming page cache share feature. Signed-off-by: Hongzhen Luo Signed-off-by: Hongbo Li Reviewed-by: Gao Xiang --- fs/erofs/super.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/erofs/super.c b/fs/erofs/super.c index dca1445f6c92..960da62636ad 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -524,6 +524,8 @@ static int erofs_fc_parse_param(struct fs_context *fc, if (!sbi->fsid) return -ENOMEM; break; +#endif +#if defined(CONFIG_EROFS_FS_ONDEMAND) || defined(CONFIG_EROFS_FS_PAGE_CACH= E_SHARE) case Opt_domain_id: kfree(sbi->domain_id); sbi->domain_id =3D kstrdup(param->string, GFP_KERNEL); @@ -624,7 +626,7 @@ static void erofs_set_sysfs_name(struct super_block *sb) { struct erofs_sb_info *sbi =3D EROFS_SB(sb); =20 - if (sbi->domain_id) + if (sbi->domain_id && !erofs_sb_has_ishare_xattrs(sbi)) super_set_sysfs_name_generic(sb, "%s,%s", sbi->domain_id, sbi->fsid); else if (sbi->fsid) @@ -1054,12 +1056,10 @@ static int erofs_show_options(struct seq_file *seq,= struct dentry *root) seq_puts(seq, ",dax=3Dnever"); if (erofs_is_fileio_mode(sbi) && test_opt(opt, DIRECT_IO)) seq_puts(seq, ",directio"); -#ifdef CONFIG_EROFS_FS_ONDEMAND if (sbi->fsid) seq_printf(seq, ",fsid=3D%s", sbi->fsid); if (sbi->domain_id) seq_printf(seq, ",domain_id=3D%s", sbi->domain_id); -#endif if (sbi->dif0.fsoff) seq_printf(seq, ",fsoffset=3D%llu", sbi->dif0.fsoff); return 0; --=20 2.22.0