1 files changed, 7 insertions, 1 deletions

diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 2a70fce70c6..06658caa18b 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -692,8 +692,14 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp,
         if (ret < 0)
                 return ret;
 
+        nilfs = inode->i_sb->s_fs_info;
+        if (nilfs_test_opt(nilfs, BARRIER)) {
+                ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+                if (ret == -EIO)
+                        return ret;
+        }
+
         if (argp != NULL) {
-                nilfs = inode->i_sb->s_fs_info;
                 down_read(&nilfs->ns_segctor_sem);
                 cno = nilfs->ns_cno - 1;
                 up_read(&nilfs->ns_segctor_sem);