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    SubjectRE: [PATCH v8 02/13] exfat: add super block operations
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    > > +static const struct fs_parameter_spec exfat_param_specs[] = {
    > > + fsparam_u32("uid", Opt_uid),
    > > + fsparam_u32("gid", Opt_gid),
    > > + fsparam_u32oct("umask", Opt_umask),
    > > + fsparam_u32oct("dmask", Opt_dmask),
    > > + fsparam_u32oct("fmask", Opt_fmask),
    > > + fsparam_u32oct("allow_utime", Opt_allow_utime),
    > > + fsparam_string("iocharset", Opt_charset),
    > > + fsparam_flag("utf8", Opt_utf8),
    >
    > Hello! What is the purpose of having extra special "utf8" mount option?
    > Is not one "iocharset=utf8" option enough?
    utf8 nls_table supports utf8<->utf32 conversion and does not support
    surrogate character conversion. The utf8 option can support the surrogate
    character conversion of utf16 using utf16s_to_utf8s/utf8s_to_utf16s of
    the nls base.

    Thanks!

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