1 files changed, 5 insertions, 0 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a7d1921ac76b..fcc65802f367 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4518,6 +4518,11 @@ int btrfs_dirty_inode(struct inode *inode)
 static int btrfs_update_time(struct inode *inode, struct timespec *now,
                              int flags)
 {
+        struct btrfs_root *root = BTRFS_I(inode)->root;
+
+        if (btrfs_root_readonly(root))
+                return -EROFS;
+
         if (flags & S_VERSION)
                 inode_inc_iversion(inode);
         if (flags & S_CTIME)