From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rcsinet15.oracle.com ([148.87.113.117]:17697 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752418Ab2HWI7E (ORCPT ); Thu, 23 Aug 2012 04:59:04 -0400 Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by rcsinet15.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id q7N8x2mE023357 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 23 Aug 2012 08:59:03 GMT Received: from acsmt357.oracle.com (acsmt357.oracle.com [141.146.40.157]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id q7N8x1IK012559 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 23 Aug 2012 08:59:02 GMT Received: from abhmt115.oracle.com (abhmt115.oracle.com [141.146.116.67]) by acsmt357.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id q7N8x1xR005364 for ; Thu, 23 Aug 2012 03:59:01 -0500 From: Liu Bo To: linux-btrfs@vger.kernel.org Subject: [PATCH] Btrfs: use larger limit for transition of logical to inode Date: Thu, 23 Aug 2012 16:56:29 +0800 Message-Id: <1345712189-6455-2-git-send-email-bo.li.liu@oracle.com> In-Reply-To: <1345712189-6455-1-git-send-email-bo.li.liu@oracle.com> References: <1345712189-6455-1-git-send-email-bo.li.liu@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is the change of the kernel side. Transition of logical to inode used to have a limit 4096 on inode container's size, but the limit is not large enough for a data with a great many of refs, so when resolving logical address, we can end up with "ioctl ret=0, bytes_left=0, bytes_missing=19944, cnt=510, missed=2493" This changes to regard 4096 as the lowest limit. Signed-off-by: Liu Bo --- fs/btrfs/ioctl.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 9449b84..525915f 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3232,7 +3232,7 @@ static long btrfs_ioctl_logical_to_ino(struct btrfs_root *root, goto out; } - size = min_t(u32, loi->size, 4096); + size = max_t(u32, loi->size, 4096); inodes = init_data_container(size); if (IS_ERR(inodes)) { ret = PTR_ERR(inodes); -- 1.7.7.6