sg_alloc_table

函数名称：sg_alloc_table_chained - Allocate and chain SGLs in an sg table*@table: The sg table header to use*@nents: Number of entries in sg list*@first_chunk: first SGL*@nents_first_chunk: number of the SGL of @first_chunk* Description:

函数原型：int sg_alloc_table_chained(struct sg_table *table, int nents, struct scatterlist *first_chunk, unsigned nents_first_chunk)

返回类型：int

参数：

类型	参数	名称
struct sg_table *	table
int	nents
struct scatterlist *	first_chunk
unsigned	nents_first_chunk

116

BUG_ON(!nents)

118

如果first_chunk且nents_first_chunk则

119

如果nents小于等于nents_first_chunk则

120

number of mapped entries 等于 original size of list 等于nents

121

初始化散列表

122

返回:0

127

如果nents_first_chunk小于等于1则

128

first_chunk = NULL

129

nents_first_chunk等于0

132

ret等于__sg_alloc_table - Allocate and initialize an sg table with given allocator*@table: The sg table header to use*@nents: Number of entries in sg list*@max_ents: The maximum number of entries the allocator returns per call*@nents_first_chunk: Number of

135

如果此条件成立可能性小(为编译器优化)(ret)则sg_free_table_chained - Free a previously mapped sg table*@table: The sg table header to use*@nents_first_chunk: size of the first_chunk SGL passed to* sg_alloc_table_chained* Description:* Free an sg table previously allocated and setup with

137

返回:ret

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告