stat: some bool conversions

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/stat.c b/stat.c
index 9828d153de8f16edd3d577487de3c4d5fd68cfcc..09afa5bdd8f5bb0fb3c771d01bae2fa1f491dc1e 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -143,7 +143,7 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
        unsigned int len, i, j = 0;
        unsigned int oval_len = 0;
        unsigned long long *ovals = NULL;
-       int is_last;
+       bool is_last;
 
        *minv = -1ULL;
        *maxv = 0;
@@ -166,7 +166,7 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
        /*
         * Calculate bucket values, note down max and min values
         */
-       is_last = 0;
+       is_last = false;
        for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
                sum += io_u_plat[i];
                while (sum >= (plist[j].u.f / 100.0 * nr)) {
@@ -183,7 +183,7 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
                        if (ovals[j] > *maxv)
                                *maxv = ovals[j];
 
-                       is_last = (j == len - 1);
+                       is_last = (j == len - 1) != 0;
                        if (is_last)
                                break;
 
@@ -205,8 +205,9 @@ static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
        unsigned int divisor, len, i, j = 0;
        unsigned long long minv, maxv;
        unsigned long long *ovals;
-       int is_last, per_line, scale_down, time_width;
+       int per_line, scale_down, time_width;
        const char *pre = is_clat ? "clat" : " lat";
+       bool is_last;
        char fmt[32];
 
        len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
@@ -244,7 +245,7 @@ static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
                        log_buf(out, "     |");
 
                /* end of the list */
-               is_last = (j == len - 1);
+               is_last = (j == len - 1) != 0;
 
                for (i = 0; i < scale_down; i++)
                        ovals[j] = (ovals[j] + 999) / 1000;
@@ -511,20 +512,21 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
        }
 }
 
-static int show_lat(double *io_u_lat, int nr, const char **ranges,
-                   const char *msg, struct buf_output *out)
+static bool show_lat(double *io_u_lat, int nr, const char **ranges,
+                    const char *msg, struct buf_output *out)
 {
-       int new_line = 1, i, line = 0, shown = 0;
+       bool new_line = true, shown = false;
+       int i, line = 0;
 
        for (i = 0; i < nr; i++) {
                if (io_u_lat[i] <= 0.0)
                        continue;
-               shown = 1;
+               shown = true;
                if (new_line) {
                        if (line)
                                log_buf(out, "\n");
                        log_buf(out, "  lat (%s)   : ", msg);
-                       new_line = 0;
+                       new_line = false;
                        line = 0;
                }
                if (line)
@@ -532,13 +534,13 @@ static int show_lat(double *io_u_lat, int nr, const char **ranges,
                log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
                line++;
                if (line == 5)
-                       new_line = 1;
+                       new_line = true;
        }
 
        if (shown)
                log_buf(out, "\n");
 
-       return shown;
+       return true;
 }
 
 static void show_lat_n(double *io_u_lat_n, struct buf_output *out)
@@ -1590,8 +1592,8 @@ void __show_run_stats(void)
        struct thread_data *td;
        struct thread_stat *threadstats, *ts;
        int i, j, k, nr_ts, last_ts, idx;
-       int kb_base_warned = 0;
-       int unit_base_warned = 0;
+       bool kb_base_warned = false;
+       bool unit_base_warned = false;
        struct json_object *root = NULL;
        struct json_array *array = NULL;
        struct buf_output output[FIO_OUTPUT_NR];
@@ -1684,11 +1686,11 @@ void __show_run_stats(void)
                } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
                        log_info("fio: kb_base differs for jobs in group, using"
                                 " %u as the base\n", ts->kb_base);
-                       kb_base_warned = 1;
+                       kb_base_warned = true;
                } else if (ts->unit_base != td->o.unit_base && !unit_base_warned) {
                        log_info("fio: unit_base differs for jobs in group, using"
                                 " %u as the base\n", ts->unit_base);
-                       unit_base_warned = 1;
+                       unit_base_warned = true;
                }
 
                ts->continue_on_error = td->o.continue_on_error;
@@ -1932,9 +1934,9 @@ void __show_running_run_stats(void)
        fio_mutex_up(stat_mutex);
 }
 
-static int status_interval_init;
+static bool status_interval_init;
 static struct timespec status_time;
-static int status_file_disabled;
+static bool status_file_disabled;
 
 #define FIO_STATUS_FILE                "fio-dump-status"
 
@@ -1965,7 +1967,7 @@ static int check_status_file(void)
                log_err("fio: failed to unlink %s: %s\n", fio_status_file_path,
                                                        strerror(errno));
                log_err("fio: disabling status file updates\n");
-               status_file_disabled = 1;
+               status_file_disabled = true;
        }
 
        return 1;
@@ -1976,7 +1978,7 @@ void check_for_running_stats(void)
        if (status_interval) {
                if (!status_interval_init) {
                        fio_gettime(&status_time, NULL);
-                       status_interval_init = 1;
+                       status_interval_init = true;
                } else if (mtime_since_now(&status_time) >= status_interval) {
                        show_running_run_stats();
                        fio_gettime(&status_time, NULL);