Return-Path: Received: from e23smtp04.au.ibm.com ([202.81.31.146]:59462 "EHLO e23smtp04.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759320AbcAUK1S (ORCPT ); Thu, 21 Jan 2016 05:27:18 -0500 Received: from localhost by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 21 Jan 2016 20:27:16 +1000 Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id BADD3357805B for ; Thu, 21 Jan 2016 21:27:15 +1100 (EST) Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u0LAR7Sp64553138 for ; Thu, 21 Jan 2016 21:27:15 +1100 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u0LAQgCj014511 for ; Thu, 21 Jan 2016 21:26:43 +1100 From: Chandan Rajendra To: linux-btrfs@vger.kernel.org Cc: Chandan Rajendra , jbacik@fb.com, clm@fb.com, bo.li.liu@oracle.com, dsterba@suse.cz, chandan@mykolab.com Subject: [PATCH V10 09/12] Btrfs: Limit inline extents to root->sectorsize Date: Thu, 21 Jan 2016 15:56:01 +0530 Message-Id: <1453371964-4917-10-git-send-email-chandan@linux.vnet.ibm.com> In-Reply-To: <1453371964-4917-1-git-send-email-chandan@linux.vnet.ibm.com> References: <1453371964-4917-1-git-send-email-chandan@linux.vnet.ibm.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: cow_file_range_inline() limits the size of an inline extent to PAGE_CACHE_SIZE. This breaks in subpagesize-blocksize scenarios. Fix this by comparing against root->sectorsize. Reviewed-by: Josef Bacik Signed-off-by: Chandan Rajendra --- fs/btrfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 546bdb4..fc46ada 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -264,7 +264,7 @@ static noinline int cow_file_range_inline(struct btrfs_root *root, data_len = compressed_size; if (start > 0 || - actual_end > PAGE_CACHE_SIZE || + actual_end > root->sectorsize || data_len > BTRFS_MAX_INLINE_DATA_SIZE(root) || (!compressed_size && (actual_end & (root->sectorsize - 1)) == 0) || -- 2.1.0