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
252      Called when a parameter is being added to the filesystem context.  param
257      The parameter can be parsed with fs_parse() and fs_lookup_param().  Note
351      Called for each mount parameter, including the source.  The arguments are
353      the parameter should be passed on to the filesystem, 1 to indicate that
354      the parameter should be discarded or an error to indicate that the
355      parameter should be rejected.
387      the parameter parsing and validation hooks.
482      Supply a single mount parameter to the filesystem context.  This includes
484      parameter (which may be specified multiple times if the filesystem
487      param specifies the parameter key name and the value.  The parameter is
493      The parameter value is typed and can be one of:
496 	fs_value_is_flag		Parameter not given a value
579 	    attempt to get a new superblock gets this one (and any parameter
595 Parameter Description
627      Table of parameter specifications, terminated with a null entry, where the
637      The 'name' field is a string to match exactly to the parameter key (no
665      Each parameter can also be qualified with 'flags':
671 	fs_param_deprecated	The parameter is deprecated.
723      Where the array is an unsorted list of { parameter ID, name }-keyed
732      If a parameter of type fs_param_is_enum is encountered, fs_parse() will
742 Parameter Helper Functions
783      This performs some validation checks on a parameter description.  It
794      This is the main interpreter of parameters.  It uses the parameter
795      description to look up a parameter by key name and to convert that to an
798      If successful, and if the parameter type indicates the result is a
804      prefix removed.  If this matches a parameter for which the type has flag
808      If the parameter isn't matched, -ENOPARAM will be returned; if the
809      parameter is matched, but the value is erroneous, -EINVAL will be
810      returned; otherwise the parameter's option number will be returned.
819      This takes a parameter that carries a string or filename type and attempts
820      to do a path lookup on it.  If the parameter expects a blockdev, a check