From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:41423 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752225Ab2FNIQC (ORCPT ); Thu, 14 Jun 2012 04:16:02 -0400 From: Liu Bo To: Cc: Subject: [PATCH 03/10 RESEND] Btrfs: do not resize a seeding device Date: Thu, 14 Jun 2012 16:23:19 +0800 Message-Id: <1339662206-5307-4-git-send-email-liubo2009@cn.fujitsu.com> In-Reply-To: <1339662206-5307-1-git-send-email-liubo2009@cn.fujitsu.com> References: <1339662206-5307-1-git-send-email-liubo2009@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: Seeding devices are not supposed to change any more. Signed-off-by: Liu Bo --- fs/btrfs/ioctl.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 57380ee..5ff79fd 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1295,6 +1295,13 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, ret = -EINVAL; goto out_free; } + if (device->fs_devices && device->fs_devices->seeding) { + printk(KERN_INFO "btrfs: resizer unable to apply on " + "seeding device %s\n", device->name); + ret = -EINVAL; + goto out_free; + } + if (!strcmp(sizestr, "max")) new_size = device->bdev->bd_inode->i_size; else { -- 1.6.5.2