cksum_utils.c File Reference

#include "lib/buf.h"
#include "lib/vec.h"
#include "lib/ext.h"
#include "lib/trace.h"
#include "lib/cksum_utils.h"

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Functions
M0_INTERNAL m0_bcount_t	m0_extent_get_num_unit_start (m0_bindex_t ext_start, m0_bindex_t ext_len, m0_bindex_t unit_sz)
M0_INTERNAL m0_bcount_t	m0_extent_get_unit_offset (m0_bindex_t off, m0_bindex_t base_off, m0_bindex_t unit_sz)
M0_INTERNAL void *	m0_extent_get_checksum_addr (void *b_addr, m0_bindex_t off, m0_bindex_t base_off, m0_bindex_t unit_sz, m0_bcount_t cs_size)
M0_INTERNAL m0_bcount_t	m0_extent_get_checksum_nob (m0_bindex_t ext_start, m0_bindex_t ext_length, m0_bindex_t unit_sz, m0_bcount_t cs_size)
M0_INTERNAL void *	m0_extent_vec_get_checksum_addr (void *cksum_buf_vec, m0_bindex_t off, void *ivec, m0_bindex_t unit_sz, m0_bcount_t cs_sz)

Function Documentation

m0_extent_get_checksum_addr()

M0_INTERNAL void* m0_extent_get_checksum_addr	(	void *	b_addr,
		m0_bindex_t	off,
		m0_bindex_t	base_off,
		m0_bindex_t	unit_sz,
		m0_bcount_t	cs_size
	)

Calculates checksum address for a cob segment and unit size

Definition at line 74 of file cksum_utils.c.

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m0_extent_get_checksum_nob()

M0_INTERNAL m0_bcount_t m0_extent_get_checksum_nob	(	m0_bindex_t	ext_start,
		m0_bindex_t	ext_length,
		m0_bindex_t	unit_sz,
		m0_bcount_t	cs_size
	)

Calculates checksum nob for a cob segment and unit size

Definition at line 85 of file cksum_utils.c.

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m0_extent_get_num_unit_start()

M0_INTERNAL m0_bcount_t m0_extent_get_num_unit_start	(	m0_bindex_t	ext_start,
		m0_bindex_t	ext_len,
		m0_bindex_t	unit_sz
	)

Function to get number of units starting in a given extent range.

Add handling for case 1 and 5

Definition at line 29 of file cksum_utils.c.

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m0_extent_get_unit_offset()

M0_INTERNAL m0_bcount_t m0_extent_get_unit_offset	(	m0_bindex_t	off,
		m0_bindex_t	base_off,
		m0_bindex_t	unit_sz
	)

Function returns offset for a given unit size

Definition at line 65 of file cksum_utils.c.

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m0_extent_vec_get_checksum_addr()

M0_INTERNAL void* m0_extent_vec_get_checksum_addr	(	void *	cksum_buf_vec,
		m0_bindex_t	off,
		void *	ivec,
		m0_bindex_t	unit_sz,
		m0_bcount_t	cs_sz
	)

Assert to make sure the the offset is lying within the extent
get the checksum_addr

Definition at line 107 of file cksum_utils.c.

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