Commit df5b5520 authored Jun 11, 2008 by Christoph Hellwig Committed by Chris Mason Sep 25, 2008

BTRFS_IOC_TRANS_START should be privilegued



As mentioned in the comment next to it btrfs_ioctl_trans_start can
do bad damage to filesystems and thus should be limited to privilegued
users.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

parent f46b5a66

fs/btrfs/ioctl.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -706,6 +706,9 @@ long btrfs_ioctl_trans_start(struct file *file)
		struct btrfs_trans_handle *trans;
		int ret = 0;

		if (!capable(CAP_SYS_ADMIN))
		return -EPERM;

		mutex_lock(&root->fs_info->fs_mutex);
		if (file->private_data) {
		ret = -EINPROGRESS;