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 void orangefs_bufmap_page_fill(void *kaddr, int buffer_index, int slot_index); 38 39 #endif /* __ORANGEFS_BUFMAP_H */ 40