> Legacy filesystems are supported by the provision of a set of legacy
fs_context operations that build up a list of mount options and then invoke
fs_type->mount() from within the fs_context ->get_tree() operation. This
allows all filesystems to be accessed using fs_context.
And then the description of the function itself:
> Add a parameter to a legacy config. We build up a comma-separated list of options.
> Legacy filesystems are supported by the provision of a set of legacy fs_context operations that build up a list of mount options and then invoke fs_type->mount() from within the fs_context ->get_tree() operation. This allows all filesystems to be accessed using fs_context.
And then the description of the function itself:
> Add a parameter to a legacy config. We build up a comma-separated list of options.
It looks to be the second one.
[0] https://github.com/torvalds/linux/commit/3e1aeb00e6d132efc15...