From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00DA0C433DB for ; Tue, 9 Mar 2021 05:10:48 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7879B65244 for ; Tue, 9 Mar 2021 05:10:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7879B65244 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mykernel.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-1.v29.lw.sourceforge.com) by sfs-ml-1.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1lJUdq-0006Pv-4z; Tue, 09 Mar 2021 05:10:46 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-1.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJUdo-0006PZ-5p for linux-f2fs-devel@lists.sourceforge.net; Tue, 09 Mar 2021 05:10:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:Content-Transfer-Encoding:MIME-Version :Date:Subject:Message-ID:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=FXe55cT5EJ0GA/LizEakPQ9SANkLLJ+tdN4gv5UPcm8=; b=T3pTR8og0BDaFpIGOJdNa0HC4P 3WrgIbNjjku1WIvcEvy6r5BWAU9OwUgee3GsMdZx1aLDOU1sXg9oB6c/shfFW5MT3a3yEzZGkUkhp V4uHHnuSmGkKU4hjVJaRKcI2AuTdgplO6KTht0/6bGI9s4iqFpit2uceGceOJgsmk4qc=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Date:Subject: Message-ID:Cc:To:From:Sender:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=FXe55cT5EJ0GA/LizEakPQ9SANkLLJ+tdN4gv5UPcm8=; b=hvuB2MCaEpfG0jnpoD66CkwDXr rTeDMnE+cJ7omDBMnIktZBHsW+NKZwHM8wj6BTIDqBnT8AIQIWo8KEXyIhDjOWY2pGbQA7w3PaXuy AvraCy+/8jFa6CoqtaxyRR420xUBTAhAph+AXLGG3+VbAd0nbXRnU8u4FGI+5Qe2oQuk=; Received: from sender2-op-o12.zoho.com.cn ([163.53.93.243]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.3) id 1lJUdV-0006sD-Q1 for linux-f2fs-devel@lists.sourceforge.net; Tue, 09 Mar 2021 05:10:37 +0000 ARC-Seal: i=1; a=rsa-sha256; t=1615266605; cv=none; d=zoho.com.cn; s=zohoarc; b=BI0M5hxWTahk7R4UlhebX36g4p3ayq2UrZLU1nAG56OZkXB+2be5zHv8OlvBNCTwDw3cKF5DB4jLw73GXXwvMLfs2ZRU9RsI0ZcXDzyxBZ8/PQunWJxOS+ImomXAvVVZb0MamMA9XswJuAoDMKdA8wdcgN86Fd86HlpGsE7/6Jg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com.cn; s=zohoarc; t=1615266605; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:MIME-Version:Message-ID:Subject:To; bh=FXe55cT5EJ0GA/LizEakPQ9SANkLLJ+tdN4gv5UPcm8=; b=oFI0umAmT1lCE+0LqBapuueYCpLjC98uXXRKwd+f9jyKdgRZHxFXAz3ygfiq3RCDZwwg2Afxxe/Q94R9z70D8tXnw6HOcSAIoUW6//xvLZR+pcb+Wi/0qtKL7ziK6sX+RQ0KueveHzf0/GE8VrZMJjhpgK+LLgNpxwgqT7LMY2Q= ARC-Authentication-Results: i=1; mx.zoho.com.cn; dkim=pass header.i=mykernel.net; spf=pass smtp.mailfrom=cgxu519@mykernel.net; dmarc=pass header.from= header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1615266605; s=zohomail; d=mykernel.net; i=cgxu519@mykernel.net; h=From:To:Cc:Message-ID:Subject:Date:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=FXe55cT5EJ0GA/LizEakPQ9SANkLLJ+tdN4gv5UPcm8=; b=Ty9jIcO4riFl6Q8AJiPffYzefRp/0l11RQR3RD5J9p5EcXSh7xavAxlbrppSlea0 xL+SgcKhR9o4eQBr0+Q25Z9p8OHfXd2p2Cpy2kOB7DZcVWX++ImAkKzlzIESXwUGKrr zlv8eBvlOFHGq45rizrOExSmIjc1oicL4kYxartQ= Received: from localhost.localdomain (159.75.42.226 [159.75.42.226]) by mx.zoho.com.cn with SMTPS id 1615266603958651.7144712756642; Tue, 9 Mar 2021 13:10:03 +0800 (CST) From: Chengguang Xu To: jaegeuk@kernel.org, chao@kernel.org Message-ID: <20210309050938.592976-1-cgxu519@mykernel.net> Date: Tue, 9 Mar 2021 13:09:38 +0800 X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-ZohoCNMailClient: External X-Headers-End: 1lJUdV-0006sD-Q1 Subject: [f2fs-dev] [PATCH v2] f2fs: fix to use per-inode maxbytes in f2fs_fiemap 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: , Cc: Chengguang Xu , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net F2FS inode may have different max size, so change to use per-inode maxbytes. Signed-off-by: Chengguang Xu --- v1->v2: - Calculate max bytes in inode lock. fs/f2fs/data.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7c95818639a6..3cbcde4174e6 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1850,6 +1850,15 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, inode_lock(inode); + maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS; + if (start > maxbytes) { + ret = -EFBIG; + goto out; + } + + if (len > maxbytes || (maxbytes - len) < start) + len = maxbytes - start; + if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) { ret = f2fs_xattr_fiemap(inode, fieinfo); goto out; -- 2.27.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel