diff options
| -rw-r--r-- | include/linux/trace_seq.h | 5 | ||||
| -rw-r--r-- | kernel/trace/trace_seq.c | 30 |
2 files changed, 0 insertions, 35 deletions
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h index 8283762..dd85753 100644 --- a/include/linux/trace_seq.h +++ b/include/linux/trace_seq.h @@ -43,7 +43,6 @@ extern int trace_seq_putc(struct trace_seq *s, unsigned char c); extern int trace_seq_putmem(struct trace_seq *s, const void *mem, unsigned int len); extern int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, unsigned int len); -extern void *trace_seq_reserve(struct trace_seq *s, unsigned int len); extern int trace_seq_path(struct trace_seq *s, const struct path *path); extern int trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp, @@ -94,10 +93,6 @@ static inline int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, { return 0; } -static inline void *trace_seq_reserve(struct trace_seq *s, unsigned int len) -{ - return NULL; -} static inline int trace_seq_path(struct trace_seq *s, const struct path *path) { return 0; diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c index 88c0f80..1f24ed9 100644 --- a/kernel/trace/trace_seq.c +++ b/kernel/trace/trace_seq.c @@ -342,36 +342,6 @@ int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, EXPORT_SYMBOL_GPL(trace_seq_putmem_hex); /** - * trace_seq_reserve - reserve space on the sequence buffer - * @s: trace sequence descriptor - * @len: The amount to reserver. - * - * If for some reason there is a need to save some space on the - * buffer to fill in later, this function is used for that purpose. - * The given length will be reserved and the pointer to that - * location on the buffer is returned, unless there is not enough - * buffer left to hold the given length then NULL is returned. - */ -void *trace_seq_reserve(struct trace_seq *s, unsigned int len) -{ - void *ret; - - if (s->full) - return NULL; - - if (len > TRACE_SEQ_BUF_LEFT(s)) { - s->full = 1; - return NULL; - } - - ret = s->buffer + s->len; - s->len += len; - - return ret; -} -EXPORT_SYMBOL_GPL(trace_seq_reserve); - -/** * trace_seq_path - copy a path into the sequence buffer * @s: trace sequence descriptor * @path: path to write into the sequence buffer. |
