Re: [RFC 1/3] include/linux.h: Factor out generic platform_test_fs_fd() helper

[Christoph Hellwig]

On Wed, Dec 11, 2024 at 10:09:02AM -0800, Darrick J. Wong wrote:
> > +
> > +static __inline__ int platform_test_ext4_fd(int fd)
> > +{
> > +	return platform_test_fs_fd(fd, 0xef53); /* EXT4 magic number */
> 
> Should this be pulling EXT4_SUPER_MAGIC from linux/magic.h?

I think we can just drop adding platform_test_ext4_fd with the
suggested patches later in the series?  Having ext4-specific code
in xfsprogs would seem pretty odd in xfsprogs anyway over our previous
categories of xfs only or generic.