#include "helper_thread.h"
#include "filehash.h"
-/*
- * Just expose an empty list, if the OS does not support disk util stats
- */
-#ifndef FIO_HAVE_DISK_UTIL
FLIST_HEAD(disk_list);
-#endif
unsigned long arch_flags = 0;
return flags;
}
+enum {
+ ENDIAN_INVALID_BE = 1,
+ ENDIAN_INVALID_LE,
+ ENDIAN_INVALID_CONFIG,
+ ENDIAN_BROKEN,
+};
+
static int endian_check(void)
{
union {
#if defined(CONFIG_LITTLE_ENDIAN)
if (be)
- return 1;
+ return ENDIAN_INVALID_BE;
#elif defined(CONFIG_BIG_ENDIAN)
if (le)
- return 1;
+ return ENDIAN_INVALID_LE;
#else
- return 1;
+ return ENDIAN_INVALID_CONFIG;
#endif
if (!le && !be)
- return 1;
+ return ENDIAN_BROKEN;
return 0;
}
int initialize_fio(char *envp[])
{
long ps;
+ int err;
/*
* We need these to be properly 64-bit aligned, otherwise we
compiletime_assert((offsetof(struct thread_options_pack, percentile_list) % 8) == 0, "percentile_list");
compiletime_assert((offsetof(struct thread_options_pack, latency_percentile) % 8) == 0, "latency_percentile");
- if (endian_check()) {
+ err = endian_check();
+ if (err) {
log_err("fio: endianness settings appear wrong.\n");
+ switch (err) {
+ case ENDIAN_INVALID_BE:
+ log_err("fio: got big-endian when configured for little\n");
+ break;
+ case ENDIAN_INVALID_LE:
+ log_err("fio: got little-endian when configured for big\n");
+ break;
+ case ENDIAN_INVALID_CONFIG:
+ log_err("fio: not configured to any endianness\n");
+ break;
+ case ENDIAN_BROKEN:
+ log_err("fio: failed to detect endianness\n");
+ break;
+ default:
+ assert(0);
+ break;
+ }
log_err("fio: please report this to fio@vger.kernel.org\n");
return 1;
}