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;
+
+ switch (td->o.fallocate_mode) {
+ case FIO_FALLOCATE_NATIVE:
+ r = native_fallocate(td, f);
+ if (r != 0)
+ 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,
+ (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;
uint64_t get_start_offset(struct thread_data *td, struct fio_file *f)
{
struct thread_options *o = &td->o;
- unsigned long long align_bs; /* align the offset to this block size */
- unsigned long long offset; /* align_bs-aligned offset */
+ unsigned long long align_bs;
+ unsigned long long offset;
if (o->file_append && f->filetype == FIO_TYPE_FILE)
return f->real_file_size;
if (o->start_offset_percent > 0) {
-
- /* if blockalign is provided, find the min across read, write, and trim */
+ /*
+ * if blockalign is provided, find the min across read, write,
+ * and trim
+ */
if (fio_option_is_set(o, ba)) {
align_bs = (unsigned long long) min(o->ba[DDIR_READ], o->ba[DDIR_WRITE]);
align_bs = min((unsigned long long) o->ba[DDIR_TRIM], align_bs);
- } else { /* else take the minimum block size */
+ } else {
+ /* else take the minimum block size */
align_bs = td_min_bs(td);
}
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 */
+ /*
+ * 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 + o->start_offset +
- td->subjob_number * o->offset_increment;
+ } 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;
projects / fio.git / blobdiff