From 5c24b2c48288d6078feca4e662547fc1b30eb4dd Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@suse.de>
Date: Wed, 19 Oct 2005 14:08:47 +0200
Subject: [PATCH] [PATCH] fio: kill unused functions (mark others static)

---
 fio.c | 73 ++++++++++++++++++++---------------------------------------
 1 file changed, 25 insertions(+), 48 deletions(-)

diff --git a/fio.c b/fio.c
index f9c001b..9056882 100644
--- a/fio.c
+++ b/fio.c
@@ -162,7 +162,7 @@ static struct thread_data *threads;
 
 static sem_t startup_sem;
 
-void sig_handler(int sig)
+static void sig_handler(int sig)
 {
 	int i;
 
@@ -173,7 +173,7 @@ void sig_handler(int sig)
 	}
 }
 
-int init_random_state(struct thread_data *td)
+static int init_random_state(struct thread_data *td)
 {
 	unsigned long seed = 123;
 
@@ -201,7 +201,7 @@ int init_random_state(struct thread_data *td)
 	return 0;
 }
 
-void shutdown_stat_file(struct thread_data *td)
+static void shutdown_stat_file(struct thread_data *td)
 {
 	if (td->stat_fd != -1) {
 		fsync(td->stat_fd);
@@ -209,7 +209,7 @@ void shutdown_stat_file(struct thread_data *td)
 	}
 }
 
-int init_stat_file(struct thread_data *td)
+static int init_stat_file(struct thread_data *td)
 {
 	char n[256];
 
@@ -226,7 +226,7 @@ int init_stat_file(struct thread_data *td)
 	return 0;
 }
 
-unsigned long utime_since(struct timeval *s, struct timeval *e)
+static unsigned long utime_since(struct timeval *s, struct timeval *e)
 {
 	double sec, usec;
 
@@ -242,7 +242,7 @@ unsigned long utime_since(struct timeval *s, struct timeval *e)
 	return sec + usec;
 }
 
-unsigned long mtime_since(struct timeval *s, struct timeval *e)
+static unsigned long mtime_since(struct timeval *s, struct timeval *e)
 {
 	double sec, usec;
 
@@ -259,25 +259,7 @@ unsigned long mtime_since(struct timeval *s, struct timeval *e)
 	return sec + usec;
 }
 
-unsigned long time_since(struct timeval *s, struct timeval *e)
-{
-	double sec, usec, ret;
-
-	sec = e->tv_sec - s->tv_sec;
-	usec = e->tv_usec - s->tv_usec;
-	if (sec > 0 && usec < 0) {
-		sec--;
-		usec += 1000000;
-	}
-
-	ret = sec + usec / (double) 1000000;
-	if (ret < 0)
-		ret = 0;
-
-	return (unsigned long) ret;
-}
-
-unsigned long get_next_offset(struct thread_data *td)
+static unsigned long get_next_offset(struct thread_data *td)
 {
 	unsigned long b;
 	long r;
@@ -293,7 +275,7 @@ unsigned long get_next_offset(struct thread_data *td)
 	return b * td->bs;
 }
 
-void add_stat_sample(struct thread_data *td, unsigned long msec)
+static void add_stat_sample(struct thread_data *td, unsigned long msec)
 {
 	char sample[256];
 
@@ -320,7 +302,7 @@ void add_stat_sample(struct thread_data *td, unsigned long msec)
 #endif
 }
 
-void usec_sleep(int usec)
+static void usec_sleep(int usec)
 {
 	struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 };
 	struct timespec rem;
@@ -335,7 +317,7 @@ void usec_sleep(int usec)
 	} while (1);
 }
 
-void rate_throttle(struct thread_data *td, unsigned long time_spent)
+static void rate_throttle(struct thread_data *td, unsigned long time_spent)
 {
 	if (!td->rate)
 		return;
@@ -355,7 +337,7 @@ void rate_throttle(struct thread_data *td, unsigned long time_spent)
 	}
 }
 
-int check_min_rate(struct thread_data *td, struct timeval *now)
+static int check_min_rate(struct thread_data *td, struct timeval *now)
 {
 	unsigned long spent = mtime_since(&td->start, now);
 	unsigned long rate;
@@ -388,7 +370,7 @@ int check_min_rate(struct thread_data *td, struct timeval *now)
 
 #define should_fsync(td)	((td)->ddir == DDIR_WRITE && !(td)->odirect)
 
-void do_thread_io(struct thread_data *td)
+static void do_thread_io(struct thread_data *td)
 {
 	struct timeval s, e;
 	char *buffer, *ptr;
@@ -465,7 +447,7 @@ void do_thread_io(struct thread_data *td)
 	free(ptr);
 }
 	
-void *thread_main(int shm_id, int offset, char *argv[])
+static void *thread_main(int shm_id, int offset, char *argv[])
 {
 	struct thread_data *td;
 	void *data;
@@ -544,12 +526,12 @@ err:
 	return NULL;
 }
 
-void free_shm(void)
+static void free_shm(void)
 {
 	shmdt(threads);
 }
 
-void show_thread_status(struct thread_data *td)
+static void show_thread_status(struct thread_data *td)
 {
 	int prio, prio_class;
 	unsigned long bw = 0;
@@ -563,12 +545,7 @@ void show_thread_status(struct thread_data *td)
 	printf("thread%d (%s): err=%2d, prio=%1d/%1d maxl=%5lumsec, io=%6luMiB, bw=%6luKiB/sec\n", td->thread_number, td->ddir == DDIR_READ ? " read": "write", td->error, prio_class, prio, td->max_latency, td->io_blocks * td->bs >> 20, bw);
 }
 
-void usage(char *progname)
-{
-	printf("%s: <-s 0/1> <-b kb> <-t sec> <-w 0/1> <-c r,w,r...> file0... fileN\n", progname);
-}
-
-int setup_rate(struct thread_data *td)
+static int setup_rate(struct thread_data *td)
 {
 	int nr_reads_per_sec;
 
@@ -586,7 +563,7 @@ int setup_rate(struct thread_data *td)
 	return 0;
 }
 
-struct thread_data *get_new_job(void)
+static struct thread_data *get_new_job(void)
 {
 	struct thread_data *td;
 
@@ -616,8 +593,8 @@ static void put_job(struct thread_data *td)
 	thread_number--;
 }
 
-int add_job(struct thread_data *td, const char *filename, int prioclass,
-	    int prio)
+static int add_job(struct thread_data *td, const char *filename, int prioclass,
+		   int prio)
 {
 	strcpy(td->file_name, filename);
 	td->stat_fd = -1;
@@ -644,7 +621,7 @@ static void fill_cpu_mask(cpu_set_t cpumask, int cpu)
 	}
 }
 
-void fill_option(const char *input, char *output)
+static void fill_option(const char *input, char *output)
 {
 	int i;
 
@@ -665,7 +642,7 @@ void fill_option(const char *input, char *output)
  * rw=
  * direct=
  */
-void parse_jobs_cmd(int argc, char *argv[], int index)
+static void parse_jobs_cmd(int argc, char *argv[], int index)
 {
 	struct thread_data *td;
 	unsigned int prio, prioclass, cpu;
@@ -800,7 +777,7 @@ void parse_jobs_cmd(int argc, char *argv[], int index)
 	free(filename);
 }
 
-int check_int(char *p, char *name, unsigned int *val)
+static int check_int(char *p, char *name, unsigned int *val)
 {
 	char str[128];
 
@@ -815,7 +792,7 @@ int check_int(char *p, char *name, unsigned int *val)
 	return 1;
 }
 
-int is_empty(char *line)
+static int is_empty(char *line)
 {
 	unsigned int i;
 
@@ -826,7 +803,7 @@ int is_empty(char *line)
 	return 1;
 }
 
-int parse_jobs_ini(char *file)
+static int parse_jobs_ini(char *file)
 {
 	unsigned int prioclass, prio, cpu;
 	struct thread_data *td;
@@ -933,7 +910,7 @@ int parse_jobs_ini(char *file)
 	return 0;
 }
 
-int parse_options(int argc, char *argv[])
+static int parse_options(int argc, char *argv[])
 {
 	int i;
 
-- 
2.25.1