Merge remote-tracking branches 'regmap/topic/devm-irq', 'regmap/topic/doc', 'regmap...

[cascardo/linux.git] / fs / ext4 / ioctl.c

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index a99b010..eae5917 100644 (file)
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -583,6 +583,11 @@ group_extend_out:
                                 "Online defrag not supported with bigalloc");
                        err = -EOPNOTSUPP;
                        goto mext_out;
+               } else if (IS_DAX(inode)) {
+                       ext4_msg(sb, KERN_ERR,
+                                "Online defrag not supported with DAX");
+                       err = -EOPNOTSUPP;
+                       goto mext_out;
                }
 
                err = mnt_want_write_file(filp);