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-rw-r--r--include/linux/kfifo.h31
1 files changed, 15 insertions, 16 deletions
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 486e8ad3bb50..3d44e9c65a8e 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -69,8 +69,8 @@ struct kfifo {
69 * @name: name of the declared kfifo datatype 69 * @name: name of the declared kfifo datatype
70 * @size: size of the fifo buffer 70 * @size: size of the fifo buffer
71 * 71 *
72 * Note: the macro can be used inside struct or union declaration 72 * Note1: the macro can be used inside struct or union declaration
73 * Note: the macro creates two objects: 73 * Note2: the macro creates two objects:
74 * A kfifo object with the given name and a buffer for the kfifo 74 * A kfifo object with the given name and a buffer for the kfifo
75 * object named name##kfifo_buffer 75 * object named name##kfifo_buffer
76 */ 76 */
@@ -83,7 +83,6 @@ union { \
83/** 83/**
84 * INIT_KFIFO - Initialize a kfifo declared by DECLARED_KFIFO 84 * INIT_KFIFO - Initialize a kfifo declared by DECLARED_KFIFO
85 * @name: name of the declared kfifo datatype 85 * @name: name of the declared kfifo datatype
86 * @size: size of the fifo buffer
87 */ 86 */
88#define INIT_KFIFO(name) \ 87#define INIT_KFIFO(name) \
89 name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \ 88 name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \
@@ -94,8 +93,8 @@ union { \
94 * @name: name of the declared kfifo datatype 93 * @name: name of the declared kfifo datatype
95 * @size: size of the fifo buffer 94 * @size: size of the fifo buffer
96 * 95 *
97 * Note: the macro can be used for global and local kfifo data type variables 96 * Note1: the macro can be used for global and local kfifo data type variables
98 * Note: the macro creates two objects: 97 * Note2: the macro creates two objects:
99 * A kfifo object with the given name and a buffer for the kfifo 98 * A kfifo object with the given name and a buffer for the kfifo
100 * object named name##kfifo_buffer 99 * object named name##kfifo_buffer
101 */ 100 */
@@ -249,7 +248,7 @@ extern __must_check unsigned int kfifo_from_user(struct kfifo *fifo,
249extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo, 248extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo,
250 void __user *to, unsigned int n); 249 void __user *to, unsigned int n);
251 250
252/** 251/*
253 * __kfifo_add_out internal helper function for updating the out offset 252 * __kfifo_add_out internal helper function for updating the out offset
254 */ 253 */
255static inline void __kfifo_add_out(struct kfifo *fifo, 254static inline void __kfifo_add_out(struct kfifo *fifo,
@@ -259,7 +258,7 @@ static inline void __kfifo_add_out(struct kfifo *fifo,
259 fifo->out += off; 258 fifo->out += off;
260} 259}
261 260
262/** 261/*
263 * __kfifo_add_in internal helper function for updating the in offset 262 * __kfifo_add_in internal helper function for updating the in offset
264 */ 263 */
265static inline void __kfifo_add_in(struct kfifo *fifo, 264static inline void __kfifo_add_in(struct kfifo *fifo,
@@ -269,7 +268,7 @@ static inline void __kfifo_add_in(struct kfifo *fifo,
269 fifo->in += off; 268 fifo->in += off;
270} 269}
271 270
272/** 271/*
273 * __kfifo_off internal helper function for calculating the index of a 272 * __kfifo_off internal helper function for calculating the index of a
274 * given offeset 273 * given offeset
275 */ 274 */
@@ -278,7 +277,7 @@ static inline unsigned int __kfifo_off(struct kfifo *fifo, unsigned int off)
278 return off & (fifo->size - 1); 277 return off & (fifo->size - 1);
279} 278}
280 279
281/** 280/*
282 * __kfifo_peek_n internal helper function for determinate the length of 281 * __kfifo_peek_n internal helper function for determinate the length of
283 * the next record in the fifo 282 * the next record in the fifo
284 */ 283 */
@@ -299,7 +298,7 @@ static inline unsigned int __kfifo_peek_n(struct kfifo *fifo,
299#undef __KFIFO_GET 298#undef __KFIFO_GET
300} 299}
301 300
302/** 301/*
303 * __kfifo_poke_n internal helper function for storing the length of 302 * __kfifo_poke_n internal helper function for storing the length of
304 * the next record into the fifo 303 * the next record into the fifo
305 */ 304 */
@@ -319,7 +318,7 @@ static inline void __kfifo_poke_n(struct kfifo *fifo,
319#undef __KFIFO_PUT 318#undef __KFIFO_PUT
320} 319}
321 320
322/** 321/*
323 * __kfifo_in_... internal functions for put date into the fifo 322 * __kfifo_in_... internal functions for put date into the fifo
324 * do not call it directly, use kfifo_in_rec() instead 323 * do not call it directly, use kfifo_in_rec() instead
325 */ 324 */
@@ -367,7 +366,7 @@ static inline __must_check unsigned int kfifo_in_rec(struct kfifo *fifo,
367 return __kfifo_in_rec(fifo, from, n, recsize); 366 return __kfifo_in_rec(fifo, from, n, recsize);
368} 367}
369 368
370/** 369/*
371 * __kfifo_out_... internal functions for get date from the fifo 370 * __kfifo_out_... internal functions for get date from the fifo
372 * do not call it directly, use kfifo_out_rec() instead 371 * do not call it directly, use kfifo_out_rec() instead
373 */ 372 */
@@ -425,7 +424,7 @@ static inline __must_check unsigned int kfifo_out_rec(struct kfifo *fifo,
425 return __kfifo_out_rec(fifo, to, n, recsize, total); 424 return __kfifo_out_rec(fifo, to, n, recsize, total);
426} 425}
427 426
428/** 427/*
429 * __kfifo_from_user_... internal functions for transfer from user space into 428 * __kfifo_from_user_... internal functions for transfer from user space into
430 * the fifo. do not call it directly, use kfifo_from_user_rec() instead 429 * the fifo. do not call it directly, use kfifo_from_user_rec() instead
431 */ 430 */
@@ -474,7 +473,7 @@ static inline __must_check unsigned int kfifo_from_user_rec(struct kfifo *fifo,
474 return __kfifo_from_user_rec(fifo, from, n, recsize); 473 return __kfifo_from_user_rec(fifo, from, n, recsize);
475} 474}
476 475
477/** 476/*
478 * __kfifo_to_user_... internal functions for transfer fifo data into user space 477 * __kfifo_to_user_... internal functions for transfer fifo data into user space
479 * do not call it directly, use kfifo_to_user_rec() instead 478 * do not call it directly, use kfifo_to_user_rec() instead
480 */ 479 */
@@ -533,7 +532,7 @@ static inline __must_check unsigned int kfifo_to_user_rec(struct kfifo *fifo,
533 return __kfifo_to_user_rec(fifo, to, n, recsize, total); 532 return __kfifo_to_user_rec(fifo, to, n, recsize, total);
534} 533}
535 534
536/** 535/*
537 * __kfifo_peek_... internal functions for peek into the next fifo record 536 * __kfifo_peek_... internal functions for peek into the next fifo record
538 * do not call it directly, use kfifo_peek_rec() instead 537 * do not call it directly, use kfifo_peek_rec() instead
539 */ 538 */
@@ -557,7 +556,7 @@ static inline __must_check unsigned int kfifo_peek_rec(struct kfifo *fifo,
557 return __kfifo_peek_n(fifo, recsize); 556 return __kfifo_peek_n(fifo, recsize);
558} 557}
559 558
560/** 559/*
561 * __kfifo_skip_... internal functions for skip the next fifo record 560 * __kfifo_skip_... internal functions for skip the next fifo record
562 * do not call it directly, use kfifo_skip_rec() instead 561 * do not call it directly, use kfifo_skip_rec() instead
563 */ 562 */