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#define dprintf(...)
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#define dprintf(...)
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#define VFS_FIRST   IPC_FIRST_USER_METHOD
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#define VFS_FIRST   IPC_FIRST_USER_METHOD
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#define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST)  
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/* Basic types. */
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/* Basic types. */
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typedef int16_t fs_handle_t;
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typedef int16_t fs_handle_t;
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typedef int16_t dev_handle_t;
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typedef int16_t dev_handle_t;
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typedef uint32_t fs_index_t;
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typedef uint32_t fs_index_t;
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    VFS_UNLINK,
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    VFS_UNLINK,
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    VFS_RENAME,
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    VFS_RENAME,
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    VFS_LAST_SRV,   /* keep this the last member of this enum */
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    VFS_LAST_SRV,   /* keep this the last member of this enum */
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} vfs_request_srv_t;
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} vfs_request_srv_t;
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/**
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 * An instance of this structure is associated with a particular FS operation.
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 * It tells VFS if the FS supports the operation or maybe if a default one
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 * should be used.
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 */
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typedef enum {
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    VFS_OP_NULL = 0,
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    VFS_OP_DEFAULT,
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    VFS_OP_DEFINED
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} vfs_op_t;
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#define FS_NAME_MAXLEN  20
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#define FS_NAME_MAXLEN  20
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/**
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/**
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 * A structure like this is passed to VFS by each individual FS upon its
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 * A structure like this is passed to VFS by each individual FS upon its
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 * registration. It assosiates a human-readable identifier with each
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 * registration. It assosiates a human-readable identifier with each
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 * registered FS. More importantly, through this structure, the FS announces
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 * what operations it supports.
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 * registered FS.
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 */
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 */
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typedef struct {
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typedef struct {
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    /** Unique identifier of the fs. */
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    /** Unique identifier of the fs. */
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    char name[FS_NAME_MAXLEN + 1];
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    char name[FS_NAME_MAXLEN + 1];
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    /** Operations. */
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    vfs_op_t ops[VFS_LAST_CLNT - VFS_FIRST];
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} vfs_info_t;
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} vfs_info_t;
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/**
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/**
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 * A structure like this will be allocated for each registered file system.
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 * A structure like this will be allocated for each registered file system.
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 */
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 */