Documentation/filesystems/mount_api.rst

21  (7) Parameter description.
23  (8) Parameter helper functions.
54 parameter description for validation at registration time and querying by a
251      Called when a parameter is being added to the filesystem context.  param
256      The parameter can be parsed with fs_parse() and fs_lookup_param().  Note
350      Called for each mount parameter, including the source.  The arguments are
352      the parameter should be passed on to the filesystem, 1 to indicate that
353      the parameter should be discarded or an error to indicate that the
354      parameter should be rejected.
386      the parameter parsing and validation hooks.
481      Supply a single mount parameter to the filesystem context.  This includes
483      parameter (which may be specified multiple times if the filesystem
486      param specifies the parameter key name and the value.  The parameter is
492      The parameter value is typed and can be one of:
495 	fs_value_is_flag		Parameter not given a value
567 	    attempt to get a new superblock gets this one (and any parameter
583 Parameter Description
615      Table of parameter specifications, terminated with a null entry, where the
625      The 'name' field is a string to match exactly to the parameter key (no
653      Each parameter can also be qualified with 'flags':
659 	fs_param_deprecated	The parameter is deprecated.
711      Where the array is an unsorted list of { parameter ID, name }-keyed
720      If a parameter of type fs_param_is_enum is encountered, fs_parse() will
730 Parameter Helper Functions
771      This performs some validation checks on a parameter description.  It
782      This is the main interpreter of parameters.  It uses the parameter
783      description to look up a parameter by key name and to convert that to an
786      If successful, and if the parameter type indicates the result is a
792      prefix removed.  If this matches a parameter for which the type has flag
796      If the parameter isn't matched, -ENOPARAM will be returned; if the
797      parameter is matched, but the value is erroneous, -EINVAL will be
798      returned; otherwise the parameter's option number will be returned.
808      This takes a parameter that carries a string or filename type and attempts
809      to do a path lookup on it.  If the parameter expects a blockdev, a check