btrfs: add readonly flag

setting the readonly flag prevents writes in case an error is detected

Signed-off-by: Arne Jansen <sensille@gmx.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 205cd011d2f3..f0a74f014748 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2547,7 +2547,7 @@ static long btrfs_ioctl_scrub(struct btrfs_root *root, void __user *arg)
                 return PTR_ERR(sa);
 
         ret = btrfs_scrub_dev(root, sa->devid, sa->start, sa->end,
-                              &sa->progress);
+                              &sa->progress, sa->flags & BTRFS_SCRUB_READONLY);
 
         if (copy_to_user(arg, sa, sizeof(*sa)))
                 ret = -EFAULT;