2 * (C) 2001 Clemson University and The University of Chicago
4 * See COPYING in top-level directory.
7 #ifndef __ORANGEFS_BUFMAP_H
8 #define __ORANGEFS_BUFMAP_H
10 struct orangefs_bufmap
;
12 int orangefs_bufmap_size_query(void);
14 int orangefs_bufmap_shift_query(void);
16 int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc
*user_desc
);
18 int orangefs_get_bufmap_init(void);
20 void orangefs_bufmap_finalize(void);
22 int orangefs_bufmap_get(struct orangefs_bufmap
**mapp
, int *buffer_index
);
24 void orangefs_bufmap_put(struct orangefs_bufmap
*bufmap
, int buffer_index
);
26 int orangefs_readdir_index_get(struct orangefs_bufmap
**mapp
, int *buffer_index
);
28 void orangefs_readdir_index_put(struct orangefs_bufmap
*bufmap
, int buffer_index
);
30 int orangefs_bufmap_copy_from_iovec(struct orangefs_bufmap
*bufmap
,
31 struct iov_iter
*iter
,
35 int orangefs_bufmap_copy_to_iovec(struct orangefs_bufmap
*bufmap
,
36 struct iov_iter
*iter
,
40 size_t orangefs_bufmap_copy_to_user_task_iovec(struct task_struct
*tsk
,
42 unsigned long nr_segs
,
43 struct orangefs_bufmap
*bufmap
,
45 size_t bytes_to_be_copied
);
47 #endif /* __ORANGEFS_BUFMAP_H */
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