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#ifndef __MM0_FILE_H__

#define __MM0_FILE_H__

#include <l4/lib/list.h>

#include <l4lib/types.h>

#include <posix/sys/types.h>    /* FIXME: Remove this and refer to internal headers */

#include <task.h>

int vfs_read(struct vnode *v, unsigned long f_offset,

             unsigned long npages, void *pagebuf);

int vfs_write(struct vnode *v, unsigned long f_offset,

              unsigned long npages, void *pagebuf);

int sys_read(struct tcb *sender, int fd, void *buf, int count);

int sys_write(struct tcb *sender, int fd, void *buf, int count);

int sys_lseek(struct tcb *sender, int fd, off_t offset, int whence);

int sys_close(struct tcb *sender, int fd);

int sys_fsync(struct tcb *sender, int fd);

int file_open(struct tcb *opener, int fd);

int vfs_open_bypath(const char *pathname, unsigned long *vnum, unsigned long *length);

struct vm_file *do_open2(struct tcb *task, int fd, unsigned long vnum, unsigned long length);

int flush_file_pages(struct vm_file *f);

int read_file_pages(struct vm_file *vmfile, unsigned long pfn_start,

                    unsigned long pfn_end);

struct vm_file *vfs_file_create(void);

extern struct link vm_file_list;

#endif /* __MM0_FILE_H__ */