From nobody Fri Apr 3 22:35:10 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 25D29397696 for ; Mon, 23 Mar 2026 11:08:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774264083; cv=none; b=FuxFKCaKc5o19l0M21c0j3oYXC1nxo0rSnnsT37WBIFDUcKE3j836FbzBLce5rH4kkoWmODgwXwlBa4V058M0sbHQ69dKJKS7wKVh/YT5vnIJTWxWGaUg2TLJhXkls4r1t4EeaTXJWtEEJbPMiZKzskT2XEd7OXsvVs0vwpemBk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774264083; c=relaxed/simple; bh=uUgdHpENYTjHqdnKt7NecqNtXv1oSS7bEgexzn0mEKo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kET2E4HHB5IPpf7g4tAY30ePa1y1EBOgHVaiPuuZdcL/RzQW4eXUWU3dPHSLQFXHY/JOloq6sBOknHYbFohJdZySPRnyxVMYEF80h1hekupX5JRvKZNK+HtD6dmZl/kLQj+YKRP6BozSn/nIMNRCiEu2EDzA3mEJa8mBhNOMRRE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 8bcffcd626a811f1a21c59e7364eecb8-20260323 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_EXISTED SN_EXISTED, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS, CIE_BAD CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_GOOD, ABX_BLACK, ABX_EXPLOIT, ABX_HEURISTIC, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.11,REQID:9374473c-5e3a-41fb-b030-7bade1dc767d,IP:20, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:15 X-CID-INFO: VERSION:1.3.11,REQID:9374473c-5e3a-41fb-b030-7bade1dc767d,IP:20,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:-5,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:15 X-CID-META: VersionHash:89c9d04,CLOUDID:35d7d280d89c5fa9f44492b59306af82,BulkI D:260323190759QJ8F4FG9,BulkQuantity:0,Recheck:0,SF:17|19|38|66|78|81|82|10 2|127|850|898,TC:nil,Content:0|15|50,EDM:-3,IP:-2,URL:0,File:nil,RT:nil,Bu lk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR: 0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 8bcffcd626a811f1a21c59e7364eecb8-20260323 X-User: duanchenghao@kylinos.cn Received: from localhost.localdomain [(183.242.174.23)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA) with ESMTP id 1845427003; Mon, 23 Mar 2026 19:07:56 +0800 From: Chenghao Duan To: pasha.tatashin@soleen.com, rppt@kernel.org, pratyush@kernel.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: jianghaoran@kylinos.cn, Chenghao Duan Subject: [PATCH v2 4/4] mm/memfd_luo: use i_size_write() to set inode size during retrieve Date: Mon, 23 Mar 2026 19:07:47 +0800 Message-Id: <20260323110747.193569-5-duanchenghao@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260323110747.193569-1-duanchenghao@kylinos.cn> References: <20260323110747.193569-1-duanchenghao@kylinos.cn> 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 Content-Type: text/plain; charset="utf-8" Use i_size_write() instead of directly assigning to inode->i_size when restoring the memfd size in memfd_luo_retrieve(), to keep code consistency. No functional change intended. Reviewed-by: Pasha Tatashin Signed-off-by: Chenghao Duan --- mm/memfd_luo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memfd_luo.c b/mm/memfd_luo.c index bf827e574bec..76edf9a3f5b5 100644 --- a/mm/memfd_luo.c +++ b/mm/memfd_luo.c @@ -499,7 +499,7 @@ static int memfd_luo_retrieve(struct liveupdate_file_op= _args *args) } =20 vfs_setpos(file, ser->pos, MAX_LFS_FILESIZE); - file->f_inode->i_size =3D ser->size; + i_size_write(file_inode(file), ser->size); =20 if (ser->nr_folios) { folios_ser =3D kho_restore_vmalloc(&ser->folios); --=20 2.25.1