{
unsigned long long left;
unsigned int bs;
+ struct stat st;
char *b;
int r;
+ if (td->filetype != FIO_TYPE_FILE)
+ return 0;
+
+ if (stat(f->file_name, &st) == -1) {
+ if (!td->create_file) {
+ td_verror(td, ENOENT);
+ return 1;
+ }
+ } else if (st.st_size >= (off_t) f->file_size)
+ return 0;
+
f->fd = open(f->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (f->fd < 0) {
td_verror(td, errno);
for_each_file(td, f, i) {
f->file_size = td->total_file_size / td->nr_files;
err = create_file(td, f);
+ if (err)
break;
td->io_size += f->file_size;
return 0;
}
+int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
+{
+ int ret = 0;
+
+ /*
+ * FIXME: add blockdev flushing too
+ */
+ if (td->io_ops->flags & FIO_MMAPIO)
+ ret = madvise(f->mmap, f->file_size, MADV_DONTNEED);
+ else if (td->filetype == FIO_TYPE_FILE)
+ ret = fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_DONTNEED);
+ else if (td->filetype == FIO_TYPE_BD)
+ ret = blockdev_invalidate_cache(f->fd);
+ else if (td->filetype == FIO_TYPE_CHAR)
+ ret = 0;
+
+ if (ret < 0) {
+ td_verror(td, errno);
+ return 1;
+ }
+
+ return 0;
+}
+
static int __setup_file_mmap(struct thread_data *td, struct fio_file *f)
{
int flags;
return 1;
}
- if (td->invalidate_cache) {
- if (madvise(f->mmap, f->file_size, MADV_DONTNEED) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
+ if (td->invalidate_cache && file_invalidate_cache(td, f))
+ return 1;
if (td->sequential) {
if (madvise(f->mmap, f->file_size, MADV_SEQUENTIAL) < 0) {
static int __setup_file_plain(struct thread_data *td, struct fio_file *f)
{
- if (td->invalidate_cache) {
- if (fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_DONTNEED) < 0) {
- td_verror(td, errno);
- return 1;
- }
- }
+ if (td->invalidate_cache && file_invalidate_cache(td, f))
+ return 1;
if (td->sequential) {
if (fadvise(f->fd, f->file_offset, f->file_size, POSIX_FADV_SEQUENTIAL) < 0) {
static int setup_file(struct thread_data *td, struct fio_file *f)
{
- struct stat st;
int flags = 0;
- if (stat(f->file_name, &st) == -1) {
- if (errno != ENOENT) {
- td_verror(td, errno);
- return 1;
- }
- if (!td->create_file) {
- td_verror(td, ENOENT);
- return 1;
- }
- if (create_file(td, f))
- return 1;
- } else if (td->filetype == FIO_TYPE_FILE &&
- st.st_size < (off_t) f->file_size) {
- if (create_file(td, f))
- return 1;
- }
-
if (td->odirect)
flags |= OS_O_DIRECT;
void close_files(struct thread_data *td)
{
+ struct fio_file *f;
int i;
- for (i = 0; i < td->nr_files; i++) {
- struct fio_file *f = &td->files[i];
-
+ for_each_file(td, f, i) {
if (f->fd != -1) {
+ if (td->unlink && td->filetype == FIO_TYPE_FILE)
+ unlink(f->file_name);
close(f->fd);
f->fd = -1;
}