td->verror[0] = '\0';
}
+static inline int native_fallocate(struct thread_data *td, struct fio_file *f)
+{
+ bool success;
+
+ success = fio_fallocate(f, 0, f->real_file_size);
+ dprint(FD_FILE, "native fallocate of file %s size %llu was "
+ "%ssuccessful\n", f->file_name,
+ (unsigned long long) f->real_file_size,
+ !success ? "un": "");
+
+ if (success)
+ return 0;
+
+ if (errno == ENOSYS)
+ dprint(FD_FILE, "native fallocate is not implemented\n");
+
+ return -1;
+}
+
static void fallocate_file(struct thread_data *td, struct fio_file *f)
{
int r;
if (td->o.fill_device)
return;
-#ifdef CONFIG_POSIX_FALLOCATE
switch (td->o.fallocate_mode) {
+ case FIO_FALLOCATE_NATIVE:
+ r = native_fallocate(td, f);
+ if (r != 0 && errno != ENOSYS)
+ log_err("fio: native_fallocate call failed: %s\n",
+ strerror(errno));
+ break;
case FIO_FALLOCATE_NONE:
break;
+#ifdef CONFIG_POSIX_FALLOCATE
case FIO_FALLOCATE_POSIX:
dprint(FD_FILE, "posix_fallocate file %s size %llu\n",
f->file_name,
if (r > 0)
log_err("fio: posix_fallocate fails: %s\n", strerror(r));
break;
+#endif /* CONFIG_POSIX_FALLOCATE */
#ifdef CONFIG_LINUX_FALLOCATE
case FIO_FALLOCATE_KEEP_SIZE:
dprint(FD_FILE, "fallocate(FALLOC_FL_KEEP_SIZE) "
log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode);
assert(0);
}
-#endif /* CONFIG_POSIX_FALLOCATE */
}
/*
}
if (ret < 0)
errval = errno;
- else if (ret) /* probably not supported */
- errval = ret;
} else if (f->filetype == FIO_TYPE_CHAR ||
f->filetype == FIO_TYPE_PIPE) {
dprint(FD_IO, "invalidate not supported %s\n", f->file_name);
{
free_already_allocated();
}
+
+/*
+ * This function is for platforms which support direct I/O but not O_DIRECT.
+ */
+int fio_set_directio(struct thread_data *td, struct fio_file *f)
+{
+#ifdef FIO_OS_DIRECTIO
+ int ret = fio_set_odirect(f);
+
+ if (ret) {
+ td_verror(td, ret, "fio_set_directio");
+#if defined(__sun__)
+ if (ret == ENOTTY) { /* ENOTTY suggests RAW device or ZFS */
+ log_err("fio: doing directIO to RAW devices or ZFS not supported\n");
+ } else {
+ log_err("fio: the file system does not seem to support direct IO\n");
+ }
+#else
+ log_err("fio: the file system does not seem to support direct IO\n");
+#endif
+ return -1;
+ }
+
+ return 0;
+#else
+ log_err("fio: direct IO is not supported on this host operating system\n");
+ return -1;
+#endif
+}