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#define VFS_VFS_H_
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#define VFS_VFS_H_
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <libadt/list.h>
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#include <libadt/list.h>
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#include <atomic.h>
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#include <atomic.h>
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#include <types.h>
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#include <sys/types.h>
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#define dprintf(...)    printf(__VA_ARGS__)
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#define dprintf(...)    printf(__VA_ARGS__)
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#define VFS_FIRST   FIRST_USER_METHOD
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#define VFS_FIRST   FIRST_USER_METHOD
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#define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST)  
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#define IPC_METHOD_TO_VFS_OP(m) ((m) - VFS_FIRST)  
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typedef int64_t off_t;
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typedef enum {
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typedef enum {
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    VFS_REGISTER = VFS_FIRST,
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    VFS_REGISTER = VFS_FIRST,
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    VFS_MOUNT,
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    VFS_MOUNT,
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    VFS_UNMOUNT,
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    VFS_UNMOUNT,
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    VFS_LOOKUP,
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    VFS_LOOKUP,
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    /** Current position in the file. */
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    /** Current position in the file. */
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    off_t pos;
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    off_t pos;
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} vfs_file_t;
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} vfs_file_t;
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extern link_t fs_head;      /**< List of registered file systems. */
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extern vfs_node_t *rootfs;  /**< Root node of the root file system. */
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#define MAX_PATH_LEN        (64 * 1024)
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#define PLB_SIZE        (2 * MAX_PATH_LEN)
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/** Each instance of this type describes one path lookup in progress. */
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typedef struct {
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    link_t  plb_link;   /**< Active PLB entries list link. */
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    unsigned index;     /**< Index of the first character in PLB. */
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    size_t len;     /**< Number of characters in this PLB entry. */
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extern link_t fs_head;
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} plb_entry_t;
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extern atomic_t plb_futex;  /**< Futex protecting plb and plb_head. */
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extern uint8_t *plb;        /**< Path Lookup Buffer */
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extern link_t plb_head;     /**< List of active PLB entries. */
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extern void vfs_register(ipc_callid_t rid, ipc_call_t *request);
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extern void vfs_register(ipc_callid_t, ipc_call_t *);
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extern void vfs_lookup(ipc_callid_t, ipc_call_t *);
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#endif
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#endif
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/**
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/**
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 * @}
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 * @}