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-rw-r--r--fs/btrfs/ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index da8de6c..6fb4558 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -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;