di.c File Reference

#include "lib/trace.h"
#include "stob/battr.h"
#include "file/di.h"
#include "file/file.h"
#include "lib/misc.h"
#include "lib/vec_xc.h"
#include "file/crc.c"

Include dependency graph for di.c:

Go to the source code of this file.

Data Structures
struct	di_info

Macros
#define	M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_FILE

Functions
static m0_bcount_t	current_pos (const struct di_info *info, int i)
static uint64_t	file_di_crc_mask (const struct m0_file *file)
static uint64_t	file_di_crc_in_shift (const struct m0_file *file)
static uint64_t	file_di_crc_out_shift (const struct m0_file *file)
static void	file_di_crc_sum (const struct m0_file *file, const struct m0_indexvec *io_info, const struct m0_bufvec *in_vec, struct m0_bufvec *di_vec)
static bool	file_di_crc_check (const struct m0_file *file, const struct m0_indexvec *io_info, const struct m0_bufvec *in_vec, const struct m0_bufvec *di_vec)
static void	file_checksum (void(*checksum)(const void *data, m0_bcount_t bsize, uint64_t *csum), const struct m0_bufvec *in_vec, const struct m0_indexvec *io_info, struct di_info *di, struct m0_bufvec *di_vec)
static bool	file_checksum_check (bool(*checksum)(const void *data, m0_bcount_t bsize, const uint64_t *csum), const struct m0_bufvec *in_vec, const struct m0_indexvec *io_info, struct di_info *di, const struct m0_bufvec *di_vec)
static void	t10_ref_tag_compute (const struct m0_indexvec *io_info, struct di_info *di, struct m0_bufvec *di_vec)
static bool	t10_ref_tag_check (const struct m0_indexvec *io_info, struct di_info *di, const struct m0_bufvec *di_vec)
static void	file_di_info_setup (const struct m0_file *file, const struct m0_indexvec *io_info, struct di_info *di)
static void	file_di_none_sum (const struct m0_file *file, const struct m0_indexvec *io_info, const struct m0_bufvec *in_vec, struct m0_bufvec *di_vec)
static bool	file_di_none_check (const struct m0_file *file, const struct m0_indexvec *io_info, const struct m0_bufvec *in_vec, const struct m0_bufvec *di_vec)
static uint64_t	file_di_none_mask (const struct m0_file *file)
static uint64_t	file_di_none_in_shift (const struct m0_file *file)
static uint64_t	file_di_none_out_shift (const struct m0_file *file)
static bool	file_di_invariant (const struct m0_bufvec *in_vec, const struct m0_bufvec *di_vec, const struct m0_indexvec *io_info, const struct di_info *di)
M0_INTERNAL const struct m0_di_ops *	m0_di_ops_get (enum m0_di_types di_type)
M0_INTERNAL void	m0_md_di_set (void *addr, m0_bcount_t nob, uint64_t *cksum_field)
M0_INTERNAL bool	m0_md_di_chk (void *addr, m0_bcount_t nob, uint64_t *cksum_field)
M0_INTERNAL m0_bcount_t	m0_di_size_get (const struct m0_file *file, const m0_bcount_t size)

Variables
static struct m0_di_type	file_di_crc
static struct m0_di_type	file_di_none_type
static const struct m0_di_ops	di_ops [M0_DI_NR]