td->verror[0] = '\0';
}
+static 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 false;
+
+ if (errno == ENOSYS)
+ dprint(FD_FILE, "native fallocate is not implemented\n");
+
+ return true;
+}
+
+static void fallocate_file(struct thread_data *td, struct fio_file *f)
+{
+ int r;
+
+ if (td->o.fill_device)
+ return;
+
+ switch (td->o.fallocate_mode) {
+ case FIO_FALLOCATE_NATIVE:
+ native_fallocate(td, f);
+ 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,
+ (unsigned long long) f->real_file_size);
+
+ r = posix_fallocate(f->fd, 0, f->real_file_size);
+ 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) "
+ "file %s size %llu\n", f->file_name,
+ (unsigned long long) f->real_file_size);
+
+ r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0, f->real_file_size);
+ if (r != 0)
+ td_verror(td, errno, "fallocate");
+
+ break;
+#endif /* CONFIG_LINUX_FALLOCATE */
+ default:
+ log_err("fio: unknown fallocate mode: %d\n", td->o.fallocate_mode);
+ assert(0);
+ }
+}
+
/*
* Leaves f->fd open on success, caller must close
*/
static int extend_file(struct thread_data *td, struct fio_file *f)
{
- int r, new_layout = 0, unlink_file = 0, flags;
+ int new_layout = 0, unlink_file = 0, flags;
unsigned long long left;
unsigned int bs;
char *b = NULL;
return 1;
}
-#ifdef CONFIG_POSIX_FALLOCATE
- if (!td->o.fill_device) {
- switch (td->o.fallocate_mode) {
- case FIO_FALLOCATE_NONE:
- break;
- case FIO_FALLOCATE_POSIX:
- dprint(FD_FILE, "posix_fallocate file %s size %llu\n",
- f->file_name,
- (unsigned long long) f->real_file_size);
-
- r = posix_fallocate(f->fd, 0, f->real_file_size);
- if (r > 0) {
- log_err("fio: posix_fallocate fails: %s\n",
- strerror(r));
- }
- break;
-#ifdef CONFIG_LINUX_FALLOCATE
- case FIO_FALLOCATE_KEEP_SIZE:
- dprint(FD_FILE,
- "fallocate(FALLOC_FL_KEEP_SIZE) "
- "file %s size %llu\n", f->file_name,
- (unsigned long long) f->real_file_size);
-
- r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0,
- f->real_file_size);
- if (r != 0)
- td_verror(td, errno, "fallocate");
-
- break;
-#endif /* CONFIG_LINUX_FALLOCATE */
- default:
- log_err("fio: unknown fallocate mode: %d\n",
- td->o.fallocate_mode);
- assert(0);
- }
- }
-#endif /* CONFIG_POSIX_FALLOCATE */
+ fallocate_file(td, f);
/*
* If our jobs don't require regular files initially, we're done.
}
while (left && !td->terminate) {
+ ssize_t r;
+
if (bs > left)
bs = left;
return 1;
}
-static int pre_read_file(struct thread_data *td, struct fio_file *f)
+static bool pre_read_file(struct thread_data *td, struct fio_file *f)
{
- int ret = 0, r, did_open = 0, old_runstate;
+ int r, did_open = 0, old_runstate;
unsigned long long left;
unsigned int bs;
+ bool ret = true;
char *b;
- if (td_ioengine_flagged(td, FIO_PIPEIO))
- return 0;
+ if (td_ioengine_flagged(td, FIO_PIPEIO) ||
+ td_ioengine_flagged(td, FIO_NOIO))
+ return true;
+
+ if (f->filetype == FIO_TYPE_CHAR)
+ return true;
if (!fio_file_open(f)) {
if (td->io_ops->open_file(td, f)) {
log_err("fio: cannot pre-read, failed to open file\n");
- return 1;
+ return false;
}
did_open = 1;
}
b = malloc(bs);
if (!b) {
td_verror(td, errno, "malloc");
- ret = 1;
+ ret = false;
goto error;
}
memset(b, 0, bs);
if (lseek(f->fd, f->file_offset, SEEK_SET) < 0) {
td_verror(td, errno, "lseek");
log_err("fio: failed to lseek pre-read file\n");
- ret = 1;
+ ret = false;
goto error;
}
}
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);
uint64_t get_start_offset(struct thread_data *td, struct fio_file *f)
{
struct thread_options *o = &td->o;
+ unsigned long long align_bs;
+ unsigned long long offset;
if (o->file_append && f->filetype == FIO_TYPE_FILE)
return f->real_file_size;
- return td->o.start_offset +
- td->subjob_number * td->o.offset_increment;
+ if (o->start_offset_percent > 0) {
+ /*
+ * if offset_align is provided, set initial offset
+ */
+ if (fio_option_is_set(o, start_offset_align)) {
+ align_bs = o->start_offset_align;
+ } else {
+ /* else take the minimum block size */
+ align_bs = td_min_bs(td);
+ }
+
+ /* calculate the raw offset */
+ offset = (f->real_file_size * o->start_offset_percent / 100) +
+ (td->subjob_number * o->offset_increment);
+
+ /*
+ * block align the offset at the next available boundary at
+ * ceiling(offset / align_bs) * align_bs
+ */
+ offset = (offset / align_bs + (offset % align_bs != 0)) * align_bs;
+
+ } else {
+ /* start_offset_percent not set */
+ offset = o->start_offset +
+ td->subjob_number * o->offset_increment;
+ }
+
+ return offset;
}
/*
total_size = -1ULL;
else {
if (o->size_percent) {
- f->io_size = (f->io_size * o->size_percent) / 100;
+ uint64_t file_size;
+
+ file_size = f->io_size + f->file_offset;
+ f->io_size = (file_size *
+ o->size_percent) / 100;
+ if (f->io_size > (file_size - f->file_offset))
+ f->io_size = file_size - f->file_offset;
+
f->io_size -= (f->io_size % td_min_bs(td));
}
total_size += f->io_size;
return 1;
}
-int pre_read_files(struct thread_data *td)
+bool pre_read_files(struct thread_data *td)
{
struct fio_file *f;
unsigned int i;
dprint(FD_FILE, "pre_read files\n");
for_each_file(td, f, i) {
- pre_read_file(td, f);
+ if (!pre_read_file(td, f))
+ return false;
}
- return 1;
+ return true;
}
-static int __init_rand_distribution(struct thread_data *td, struct fio_file *f)
+static void __init_rand_distribution(struct thread_data *td, struct fio_file *f)
{
unsigned int range_size, seed;
unsigned long nranges;
pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed);
else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS)
gauss_init(&f->gauss, nranges, td->o.gauss_dev.u.f, seed);
-
- return 1;
}
static int init_rand_distribution(struct thread_data *td)
{
struct fio_file *f;
unsigned int i;
+ bool use_free = td_ioengine_flagged(td, FIO_NOFILEHASH);
dprint(FD_FILE, "close files\n");
td_io_unlink_file(td, f);
}
- sfree(f->file_name);
+ if (use_free)
+ free(f->file_name);
+ else
+ sfree(f->file_name);
f->file_name = NULL;
if (fio_file_axmap(f)) {
axmap_free(f->io_axmap);
f->io_axmap = NULL;
}
- sfree(f);
+ if (use_free)
+ free(f);
+ else
+ sfree(f);
}
td->o.filename = NULL;
{
struct fio_file *f;
- f = smalloc(sizeof(*f));
+ if (td_ioengine_flagged(td, FIO_NOFILEHASH))
+ f = calloc(1, sizeof(*f));
+ else
+ f = smalloc(sizeof(*f));
if (!f) {
assert(0);
return NULL;
return true;
}
+static int create_work_dirs(struct thread_data *td, const char *fname)
+{
+ char path[PATH_MAX];
+ char *start, *end;
+
+ if (td->o.directory) {
+ snprintf(path, PATH_MAX, "%s%c%s", td->o.directory,
+ FIO_OS_PATH_SEPARATOR, fname);
+ start = strstr(path, fname);
+ } else {
+ snprintf(path, PATH_MAX, "%s", fname);
+ start = path;
+ }
+
+ end = start;
+ while ((end = strchr(end, FIO_OS_PATH_SEPARATOR)) != NULL) {
+ if (end == start)
+ break;
+ *end = '\0';
+ errno = 0;
+#ifdef CONFIG_HAVE_MKDIR_TWO
+ if (mkdir(path, 0600) && errno != EEXIST) {
+#else
+ if (mkdir(path) && errno != EEXIST) {
+#endif
+ log_err("fio: failed to create dir (%s): %d\n",
+ start, errno);
+ return 1;
+ }
+ *end = FIO_OS_PATH_SEPARATOR;
+ end++;
+ }
+ td->flags |= TD_F_DIRS_CREATED;
+ return 0;
+}
+
int add_file(struct thread_data *td, const char *fname, int numjob, int inc)
{
int cur_files = td->files_index;
sprintf(file_name + len, "%s", fname);
+ if (strchr(fname, FIO_OS_PATH_SEPARATOR) &&
+ !(td->flags & TD_F_DIRS_CREATED) &&
+ create_work_dirs(td, fname))
+ return 1;
+
/* clean cloned siblings using existing files */
if (numjob && is_already_allocated(file_name) &&
!exists_and_not_regfile(fname))
if (td->io_ops && td_ioengine_flagged(td, FIO_DISKLESSIO))
f->real_file_size = -1ULL;
- f->file_name = smalloc_strdup(file_name);
+ if (td_ioengine_flagged(td, FIO_NOFILEHASH))
+ f->file_name = strdup(file_name);
+ else
+ f->file_name = smalloc_strdup(file_name);
if (!f->file_name)
assert(0);
if (f->filetype == FIO_TYPE_FILE)
td->nr_normal_files++;
- set_already_allocated(file_name);
+ if (td->o.numjobs > 1)
+ set_already_allocated(file_name);
if (inc)
td->o.nr_files++;
if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
continue;
- sprintf(full_path, "%s%s%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name);
+ sprintf(full_path, "%s%c%s", dirname, FIO_OS_PATH_SEPARATOR, dir->d_name);
if (lstat(full_path, &sb) == -1) {
if (errno != ENOENT) {
__f = alloc_new_file(td);
if (f->file_name) {
- __f->file_name = smalloc_strdup(f->file_name);
+ if (td_ioengine_flagged(td, FIO_NOFILEHASH))
+ __f->file_name = strdup(f->file_name);
+ else
+ __f->file_name = smalloc_strdup(f->file_name);
if (!__f->file_name)
assert(0);
{
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
+}
projects / fio.git / blobdiff