1 /*
2  * Copyright (C) 2016 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.
3  *
4  * This file is part of MooseFS.
5  *
6  * MooseFS is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, version 2 (only).
9  *
10  * MooseFS is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with MooseFS; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
18  * or visit http://www.gnu.org/licenses/gpl-2.0.html
19  */
20 
21 #ifndef _READDATA_H_
22 #define _READDATA_H_
23 
24 #include <sys/uio.h>
25 #include <inttypes.h>
26 
27 void read_data_init (uint64_t readaheadsize,uint32_t readaheadleng,uint32_t readaheadtrigger,uint32_t retries);
28 void read_data_term(void);
29 int read_data(void *vid, uint64_t offset, uint32_t *size, void **rhead,struct iovec **iov,uint32_t *iovcnt);
30 void read_data_free_buff(void *vid,void *vrhead,struct iovec *iov);
31 void read_inode_dirty_region(uint32_t inode,uint64_t offset,uint32_t size,const char *buff);
32 void read_inode_set_length(uint32_t inode,uint64_t newlength,uint8_t active);
33 void* read_data_new(uint32_t inode);
34 void read_data_end(void *vid);
35 
36 #endif
37