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Add --readonly option
[fio.git]
/
init.c
diff --git
a/init.c
b/init.c
index f3cb9ad6c18d44581d13d67e8d850ab791d2442b..2a1ee149cc85dc15601a7ad86ec8a01021987d3c 100644
(file)
--- a/
init.c
+++ b/
init.c
@@
-24,6
+24,7
@@
static char fio_version_string[] = "fio 1.17.1";
static char **ini_file;
static int max_jobs = MAX_JOBS;
static int dump_cmdline;
static char **ini_file;
static int max_jobs = MAX_JOBS;
static int dump_cmdline;
+static int read_only;
struct thread_data def_thread;
struct thread_data *threads = NULL;
struct thread_data def_thread;
struct thread_data *threads = NULL;
@@
-89,7
+90,12
@@
static struct option long_options[FIO_NR_OPTIONS] = {
{
.name = "showcmd",
.has_arg = no_argument,
{
.name = "showcmd",
.has_arg = no_argument,
- .val = 's'
+ .val = 's',
+ },
+ {
+ .name = "readonly",
+ .has_arg = no_argument,
+ .val = 'r',
},
{
.name = NULL,
},
{
.name = NULL,
@@
-180,6
+186,11
@@
static int fixup_options(struct thread_data *td)
{
struct thread_options *o = &td->o;
{
struct thread_options *o = &td->o;
+ if (read_only && td_write(td)) {
+ log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
+ return 1;
+ }
+
if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
@@
-768,6
+779,9
@@
static int parse_cmd_line(int argc, char *argv[])
case 's':
dump_cmdline = 1;
break;
case 's':
dump_cmdline = 1;
break;
+ case 'r':
+ read_only = 1;
+ break;
case 'v':
printf("%s\n", fio_version_string);
exit(0);
case 'v':
printf("%s\n", fio_version_string);
exit(0);