ioc_qos_write

函数名称：ioc_qos_write

函数原型：static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input, size_t nbytes, loff_t off)

返回类型：ssize_t

参数：

类型	参数	名称
struct kernfs_open_file *	of
char *	input
size_t	nbytes
loff_t	off

2216

如果非p则继续下一循环

2220

当:match_token: - Find a token (and optional args) in a string*@s: the string to examine for token/argument pairs*@table: match_table_t describing the set of allowed option tokens and the* arguments that may be associated with them. Must be terminated with a恒等于QOS_ENABLE

2221

match_u64: - scan a decimal representation of a u64 from* a substring_t*@s: substring_t to be scanned*@result: resulting unsigned long long on success* Description: Attempts to parse the &substring_t @s as a long decimal* integer

2222

enable等于v

2223

继续下一循环

2224

2225

match_strlcpy: - Copy the characters from a substring_t to a sized buffer*@dest: where to copy to*@src: &substring_t to copy*@size: size of destination buffer* Description: Copy the characters in &substring_t @src to the* c-style string @dest

2226

如果非字符串比较则user = false

2228

否则如果非字符串比较则user = true

2230

否则转到:einval

2232

继续下一循环

2235

tok等于match_token(p, qos_tokens, args)

2237

当:tok恒等于QOS_RPPM

2238

当:tok恒等于QOS_WPPM

2239

如果match_strlcpy: - Copy the characters from a substring_t to a sized buffer*@dest: where to copy to*@src: &substring_t to copy*@size: size of destination buffer* Description: Copy the characters in &substring_t @src to the* c-style string @dest大于等于buf的长度则转到:einval

2242

如果group_parse_float - parse a floating number*@input: input string*@dec_shift: number of decimal digits to shift*@v: output* Parse a decimal floating point number in @input and store the result in*@v with decimal point right shifted @dec_shift times则转到:einval

2244

如果v小于0或v大于10000则转到:einval

2246

qos[tok]等于v乘100

2247

退出

2248

当:tok恒等于QOS_RLAT

2249

当:tok恒等于QOS_WLAT

2250

如果match_u64: - scan a decimal representation of a u64 from* a substring_t*@s: substring_t to be scanned*@result: resulting unsigned long long on success* Description: Attempts to parse the &substring_t @s as a long decimal* integer则转到:einval

2252

qos[tok]等于v

2253

退出

2254

当:tok恒等于QOS_MIN

2255

当:tok恒等于QOS_MAX

2256

2259

2261

如果v小于0则转到:einval

2263

qos[tok]等于clamp_t - return a value clamped to a given range using a given type*@type: the type of variable to use*@val: current value*@lo: minimum allowable value*@hi: maximum allowable value* This macro does no typechecking and uses temporary variables of type(s64, v * 100, VRATE_MIN_PPM, VRATE_MAX_PPM)

2265

退出

2266

默认

2267

转到:einval

2269

user = true

函数逻辑报告