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yaml
---
r: 210440
b: refs/heads/master
c: e0bf102
h: refs/heads/master
v: v3
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Huang Ying authored and Linus Torvalds committed Sep 10, 2010
1 parent 80816f3 commit 2a97867
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Showing 2 changed files with 30 additions and 30 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: f3c65b2870f2481f3646bc410a58a12989ecc704
refs/heads/master: e0bf1024b36be90da241af3c2767311e055b612c
58 changes: 29 additions & 29 deletions trunk/include/linux/kfifo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,7 @@ __kfifo_must_check_helper(unsigned int val)
*/
#define kfifo_reset(fifo) \
(void)({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
__tmp->kfifo.in = __tmp->kfifo.out = 0; \
})

Expand All @@ -228,7 +228,7 @@ __kfifo_must_check_helper(unsigned int val)
*/
#define kfifo_reset_out(fifo) \
(void)({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
__tmp->kfifo.out = __tmp->kfifo.in; \
})

Expand All @@ -238,7 +238,7 @@ __kfifo_must_check_helper(unsigned int val)
*/
#define kfifo_len(fifo) \
({ \
typeof(fifo + 1) __tmpl = (fifo); \
typeof((fifo) + 1) __tmpl = (fifo); \
__tmpl->kfifo.in - __tmpl->kfifo.out; \
})

Expand All @@ -248,7 +248,7 @@ __kfifo_must_check_helper(unsigned int val)
*/
#define kfifo_is_empty(fifo) \
({ \
typeof(fifo + 1) __tmpq = (fifo); \
typeof((fifo) + 1) __tmpq = (fifo); \
__tmpq->kfifo.in == __tmpq->kfifo.out; \
})

Expand All @@ -258,7 +258,7 @@ __kfifo_must_check_helper(unsigned int val)
*/
#define kfifo_is_full(fifo) \
({ \
typeof(fifo + 1) __tmpq = (fifo); \
typeof((fifo) + 1) __tmpq = (fifo); \
kfifo_len(__tmpq) > __tmpq->kfifo.mask; \
})

Expand All @@ -269,7 +269,7 @@ __kfifo_must_check_helper(unsigned int val)
#define kfifo_avail(fifo) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmpq = (fifo); \
typeof((fifo) + 1) __tmpq = (fifo); \
const size_t __recsize = sizeof(*__tmpq->rectype); \
unsigned int __avail = kfifo_size(__tmpq) - kfifo_len(__tmpq); \
(__recsize) ? ((__avail <= __recsize) ? 0 : \
Expand All @@ -284,7 +284,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_skip(fifo) \
(void)({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
if (__recsize) \
Expand All @@ -302,7 +302,7 @@ __kfifo_must_check_helper( \
#define kfifo_peek_len(fifo) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
(!__recsize) ? kfifo_len(__tmp) * sizeof(*__tmp->type) : \
Expand All @@ -325,7 +325,7 @@ __kfifo_must_check_helper( \
#define kfifo_alloc(fifo, size, gfp_mask) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
__is_kfifo_ptr(__tmp) ? \
__kfifo_alloc(__kfifo, size, sizeof(*__tmp->type), gfp_mask) : \
Expand All @@ -339,7 +339,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_free(fifo) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
if (__is_kfifo_ptr(__tmp)) \
__kfifo_free(__kfifo); \
Expand All @@ -358,7 +358,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_init(fifo, buffer, size) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
__is_kfifo_ptr(__tmp) ? \
__kfifo_init(__kfifo, buffer, size, sizeof(*__tmp->type)) : \
Expand All @@ -379,8 +379,8 @@ __kfifo_must_check_helper( \
*/
#define kfifo_put(fifo, val) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(val + 1) __val = (val); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((val) + 1) __val = (val); \
unsigned int __ret; \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down Expand Up @@ -421,8 +421,8 @@ __kfifo_must_check_helper( \
#define kfifo_get(fifo, val) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(val + 1) __val = (val); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((val) + 1) __val = (val); \
unsigned int __ret; \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down Expand Up @@ -462,8 +462,8 @@ __kfifo_must_check_helper( \
#define kfifo_peek(fifo, val) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(val + 1) __val = (val); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((val) + 1) __val = (val); \
unsigned int __ret; \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down Expand Up @@ -501,8 +501,8 @@ __kfifo_must_check_helper( \
*/
#define kfifo_in(fifo, buf, n) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(buf + 1) __buf = (buf); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((buf) + 1) __buf = (buf); \
unsigned long __n = (n); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down Expand Up @@ -554,8 +554,8 @@ __kfifo_must_check_helper( \
#define kfifo_out(fifo, buf, n) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(buf + 1) __buf = (buf); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((buf) + 1) __buf = (buf); \
unsigned long __n = (n); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down Expand Up @@ -611,7 +611,7 @@ __kfifo_must_check_helper( \
#define kfifo_from_user(fifo, from, len, copied) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
const void __user *__from = (from); \
unsigned int __len = (len); \
unsigned int *__copied = (copied); \
Expand Down Expand Up @@ -639,7 +639,7 @@ __kfifo_must_check_helper( \
#define kfifo_to_user(fifo, to, len, copied) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
void __user *__to = (to); \
unsigned int __len = (len); \
unsigned int *__copied = (copied); \
Expand All @@ -666,7 +666,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_dma_in_prepare(fifo, sgl, nents, len) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
struct scatterlist *__sgl = (sgl); \
int __nents = (nents); \
unsigned int __len = (len); \
Expand All @@ -690,7 +690,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_dma_in_finish(fifo, len) \
(void)({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
unsigned int __len = (len); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand All @@ -717,7 +717,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_dma_out_prepare(fifo, sgl, nents, len) \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
struct scatterlist *__sgl = (sgl); \
int __nents = (nents); \
unsigned int __len = (len); \
Expand All @@ -741,7 +741,7 @@ __kfifo_must_check_helper( \
*/
#define kfifo_dma_out_finish(fifo, len) \
(void)({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof((fifo) + 1) __tmp = (fifo); \
unsigned int __len = (len); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand All @@ -766,8 +766,8 @@ __kfifo_must_check_helper( \
#define kfifo_out_peek(fifo, buf, n) \
__kfifo_must_check_helper( \
({ \
typeof(fifo + 1) __tmp = (fifo); \
typeof(buf + 1) __buf = (buf); \
typeof((fifo) + 1) __tmp = (fifo); \
typeof((buf) + 1) __buf = (buf); \
unsigned long __n = (n); \
const size_t __recsize = sizeof(*__tmp->rectype); \
struct __kfifo *__kfifo = &__tmp->kfifo; \
Expand Down

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