+static bool file_is_noatime(const struct file *file)
+{
+ const struct vfsmount *mnt = file->f_path.mnt;
+ const struct inode *inode = file->f_path.dentry->d_inode;
+
+ /* Adapted from file_accessed() and touch_atime().*/
+ if (file->f_flags & O_NOATIME)
+ return true;
+
+ if (inode->i_flags & S_NOATIME)
+ return true;
+
+ if (IS_NOATIME(inode))
+ return true;
+
+ if (mnt->mnt_flags & (MNT_NOATIME | MNT_READONLY))
+ return true;
+
+ if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode))
+ return true;
+
+ if ((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode))
+ return true;
+
+ return false;
+}
+