Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
[linux-2.6-block.git] / fs / orangefs / orangefs-bufmap.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * (C) 2001 Clemson University and The University of Chicago
4  *
5  * See COPYING in top-level directory.
6  */
7
8 #ifndef __ORANGEFS_BUFMAP_H
9 #define __ORANGEFS_BUFMAP_H
10
11 int orangefs_bufmap_size_query(void);
12
13 int orangefs_bufmap_shift_query(void);
14
15 int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
16
17 void orangefs_bufmap_finalize(void);
18
19 void orangefs_bufmap_run_down(void);
20
21 int orangefs_bufmap_get(void);
22
23 void orangefs_bufmap_put(int buffer_index);
24
25 int orangefs_readdir_index_get(void);
26
27 void orangefs_readdir_index_put(int buffer_index);
28
29 int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
30                                 int buffer_index,
31                                 size_t size);
32
33 int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
34                               int buffer_index,
35                               size_t size);
36
37 #endif /* __ORANGEFS_BUFMAP_H */