(long long) fl->fl_start, (long long) fl->fl_end);
/* AFS doesn't support mandatory locks */
- if ((vnode->vfs_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
- fl->fl_type != F_UNLCK)
+ if (__mandatory_lock(&vnode->vfs_inode) && fl->fl_type != F_UNLCK)
return -ENOLCK;
if (IS_GETLK(cmd))