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#ifndef dprintf
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#ifndef dprintf
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#define dprintf(...)    printf(__VA_ARGS__)
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#define dprintf(...)    printf(__VA_ARGS__)
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#endif
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#endif
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#define TMPFS_NODE(node)    ((node) ? (tmpfs_node_t *)(node)->data : NULL)
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#define FS_NODE(node)       ((node) ? (node)->bp : NULL)
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typedef enum {
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typedef enum {
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    TMPFS_NONE,
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    TMPFS_NONE,
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    TMPFS_FILE,
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    TMPFS_FILE,
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    TMPFS_DIRECTORY
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    TMPFS_DIRECTORY
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} tmpfs_dentry_type_t;
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} tmpfs_dentry_type_t;
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/* forward declaration */
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struct tmpfs_node;
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typedef struct tmpfs_dentry {
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typedef struct tmpfs_dentry {
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    link_t link;        /**< Linkage for the list of siblings. */
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    struct tmpfs_node *node;/**< Back pointer to TMPFS node. */
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    char *name;     /**< Name of dentry. */
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} tmpfs_dentry_t;
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typedef struct tmpfs_node {
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    fs_node_t *bp;      /**< Back pointer to the FS node. */
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    fs_index_t index;   /**< TMPFS node index. */
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    fs_index_t index;   /**< TMPFS node index. */
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    link_t dh_link;     /**< Dentries hash table link. */
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    dev_handle_t dev_handle;/**< Device handle. */
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    struct tmpfs_dentry *sibling;
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    struct tmpfs_dentry *child;
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    hash_table_t names; /**< All names linking to this TMPFS node. */
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    link_t nh_link;     /**< Nodes hash table link. */
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    tmpfs_dentry_type_t type;
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    tmpfs_dentry_type_t type;
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    unsigned lnkcnt;    /**< Link count. */
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    unsigned lnkcnt;    /**< Link count. */
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    size_t size;        /**< File size if type is TMPFS_FILE. */
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    size_t size;        /**< File size if type is TMPFS_FILE. */
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    void *data;     /**< File content's if type is TMPFS_FILE. */
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    void *data;     /**< File content's if type is TMPFS_FILE. */
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    link_t cs_head;     /**< Head of child's siblings list. */
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} tmpfs_dentry_t;
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} tmpfs_node_t;
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extern fs_reg_t tmpfs_reg;
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extern fs_reg_t tmpfs_reg;
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extern libfs_ops_t tmpfs_libfs_ops;
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extern libfs_ops_t tmpfs_libfs_ops;
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extern bool tmpfs_init(void);
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extern void tmpfs_mounted(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_mounted(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_mount(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_mount(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_lookup(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_lookup(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_read(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_read(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_write(ipc_callid_t, ipc_call_t *);
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extern void tmpfs_write(ipc_callid_t, ipc_call_t *);