linux-sg2042/fs/orangefs/orangefs-bufmap.h

40 lines
925 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* (C) 2001 Clemson University and The University of Chicago
*
* See COPYING in top-level directory.
*/
#ifndef __ORANGEFS_BUFMAP_H
#define __ORANGEFS_BUFMAP_H
int orangefs_bufmap_size_query(void);
int orangefs_bufmap_shift_query(void);
int orangefs_bufmap_initialize(struct ORANGEFS_dev_map_desc *user_desc);
void orangefs_bufmap_finalize(void);
void orangefs_bufmap_run_down(void);
int orangefs_bufmap_get(void);
void orangefs_bufmap_put(int buffer_index);
int orangefs_readdir_index_get(void);
void orangefs_readdir_index_put(int buffer_index);
int orangefs_bufmap_copy_from_iovec(struct iov_iter *iter,
int buffer_index,
size_t size);
int orangefs_bufmap_copy_to_iovec(struct iov_iter *iter,
int buffer_index,
size_t size);
void orangefs_bufmap_page_fill(void *kaddr, int buffer_index, int slot_index);
#endif /* __ORANGEFS_BUFMAP_H */