From: Liu Bo <liubo2009@cn.fujitsu.com>
To: <linux-btrfs@vger.kernel.org>
Subject: [PATCH 1/2 v2] Btrfs: do not resize a seeding device
Date: Mon, 21 May 2012 10:28:38 +0800 [thread overview]
Message-ID: <1337567319-1657-1-git-send-email-liubo2009@cn.fujitsu.com> (raw)
Seeding devices are not supposed to change any more.
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
---
v1->v2: use EINVAL instead, suggested by David Sterba
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 f056469..ec2245d 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1303,6 +1303,13 @@ 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
next reply other threads:[~2012-05-21 2:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 2:28 Liu Bo [this message]
2012-05-21 2:28 ` [PATCH 2/2 v2] Btrfs: resize all devices when we dont assign a specific device id Liu Bo
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