r = fallocate(f->fd, FALLOC_FL_KEEP_SIZE, 0,
f->real_file_size);
- if (r != 0) {
+ if (r != 0)
td_verror(td, errno, "fallocate");
- }
+
break;
#endif /* CONFIG_LINUX_FALLOCATE */
default:
dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
(unsigned long long) f->real_file_size);
if (ftruncate(f->fd, f->real_file_size) == -1) {
- td_verror(td, errno, "ftruncate");
- goto err;
+ if (errno != EFBIG) {
+ td_verror(td, errno, "ftruncate");
+ goto err;
+ }
}
}
b = malloc(td->o.max_bs[DDIR_WRITE]);
- memset(b, 0, td->o.max_bs[DDIR_WRITE]);
left = f->real_file_size;
while (left && !td->terminate) {
if (bs > left)
bs = left;
+ fill_io_buffer(td, b, bs, bs);
+
r = write(f->fd, b, bs);
if (r > 0) {
if (f->file_offset > f->real_file_size) {
log_err("%s: offset extends end (%llu > %llu)\n", td->o.name,
- f->file_offset, f->real_file_size);
+ (unsigned long long) f->file_offset,
+ (unsigned long long) f->real_file_size);
return 1;
}
if (f->mmap_ptr) {
ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED);
#ifdef FIO_MADV_FREE
- (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
+ if (f->filetype == FIO_TYPE_BD)
+ (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
#endif
} else if (f->filetype == FIO_TYPE_FILE) {
ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
f->shadow_fd = -1;
}
+ f->engine_data = 0;
return ret;
}
goto skip_flags;
if (td->o.odirect)
flags |= OS_O_DIRECT;
+ if (td->o.oatomic) {
+ if (!FIO_O_ATOMIC) {
+ td_verror(td, EINVAL, "OS does not support atomic IO");
+ return 1;
+ }
+ flags |= OS_O_DIRECT | FIO_O_ATOMIC;
+ }
if (td->o.sync_io)
flags |= O_SYNC;
if (td->o.create_on_open)
* work-around a "feature" on Linux, where a close of
* an fd that has been opened for write will trigger
* udev to call blkid to check partitions, fs id, etc.
- * That polutes the device cache, which can slow down
+ * That pollutes the device cache, which can slow down
* unbuffered accesses.
*/
if (f->shadow_fd == -1)
unsigned long long total_size, extend_size;
struct thread_options *o = &td->o;
struct fio_file *f;
- unsigned int i;
+ unsigned int i, nr_fs_extra = 0;
int err = 0, need_extend;
+ int old_state;
+ const unsigned int bs = td_min_bs(td);
+ uint64_t fs = 0;
dprint(FD_FILE, "setup files\n");
+ old_state = td->runstate;
+ td_set_runstate(td, TD_SETTING_UP);
+
if (o->read_iolog_file)
goto done;
err = get_file_sizes(td);
if (err)
- return err;
+ goto err_out;
/*
* check sizes. if the files/devices do not exist and the size
!(o->nr_files && (o->file_size_low || o->file_size_high))) {
log_err("%s: you need to specify size=\n", o->name);
td_verror(td, EINVAL, "total_file_size");
- return 1;
+ goto err_out;
+ }
+
+ /*
+ * Calculate per-file size and potential extra size for the
+ * first files, if needed.
+ */
+ if (!o->file_size_low) {
+ uint64_t all_fs;
+
+ fs = o->size / o->nr_files;
+ all_fs = fs * o->nr_files;
+
+ if (all_fs < o->size)
+ nr_fs_extra = (o->size - all_fs) / bs;
}
/*
if (!o->file_size_low) {
/*
* no file size range given, file size is equal to
- * total size divided by number of files. if that is
- * zero, set it to the real file size.
+ * total size divided by number of files. If that is
+ * zero, set it to the real file size. If the size
+ * doesn't divide nicely with the min blocksize,
+ * make the first files bigger.
*/
- f->io_size = o->size / o->nr_files;
+ f->io_size = fs;
+ if (nr_fs_extra) {
+ nr_fs_extra--;
+ f->io_size += bs;
+ }
+
if (!f->io_size)
f->io_size = f->real_file_size - f->file_offset;
} else if (f->real_file_size < o->file_size_low ||
}
if (err)
- return err;
+ goto err_out;
if (!o->zone_size)
o->zone_size = o->size;
if (o->create_only)
td->done = 1;
+ td_set_runstate(td, old_state);
return 0;
err_offset:
log_err("%s: you need to specify valid offset=\n", o->name);
+err_out:
+ td_set_runstate(td, old_state);
return 1;
}
seed = td->rand_seeds[4];
if (td->o.random_distribution == FIO_RAND_DIST_ZIPF)
- zipf_init(&f->zipf, nranges, td->o.zipf_theta, seed);
+ zipf_init(&f->zipf, nranges, td->o.zipf_theta.u.f, seed);
else
- pareto_init(&f->zipf, nranges, td->o.pareto_h, seed);
+ pareto_init(&f->zipf, nranges, td->o.pareto_h.u.f, seed);
return 1;
}
td->files_index = 0;
td->files = NULL;
td->file_locks = NULL;
+ td->o.file_lock_mode = FILE_LOCK_NONE;
td->o.nr_files = 0;
}
void unlock_file_all(struct thread_data *td, struct fio_file *f)
{
+ if (td->o.file_lock_mode == FILE_LOCK_NONE || !td->file_locks)
+ return;
if (td->file_locks[f->fileno] != FILE_LOCK_NONE)
unlock_file(td, f);
}
__f->filetype = f->filetype;
}
+ if (td->o.file_lock_mode == FILE_LOCK_EXCLUSIVE)
+ __f->lock = f->lock;
+ else if (td->o.file_lock_mode == FILE_LOCK_READWRITE)
+ __f->rwlock = f->rwlock;
+
td->files[i] = __f;
}
}
if (td->o.random_generator == FIO_RAND_GEN_LFSR)
lfsr_reset(&f->lfsr, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
}
+
+int fio_files_done(struct thread_data *td)
+{
+ struct fio_file *f;
+ unsigned int i;
+
+ for_each_file(td, f, i)
+ if (!fio_file_done(f))
+ return 0;
+
+ return 1;
+}