-static struct ioengine_ops ioengine = {
- .name = "gfapi",
- .version = FIO_IOOPS_VERSION,
- .init = fio_gf_setup,
- .cleanup = fio_gf_cleanup,
- .prep = fio_gf_prep,
- .queue = fio_gf_queue,
- .open_file = fio_gf_open_file,
- .close_file = fio_gf_close_file,
- .get_file_size = fio_gf_get_file_size,
- .options = options,
- .option_struct_size = sizeof(struct gf_options),
- .flags = FIO_SYNCIO | FIO_DISKLESSIO,
-};
+ if (td->o.odirect)
+ flags |= OS_O_DIRECT;
+ if (td->o.sync_io)
+ flags |= O_SYNC;
+
+ dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name,
+ flags & O_RDONLY ? "ro" : "rw", td_read(td) ? "read" : "write");
+ g->fd = glfs_creat(g->fs, f->file_name, flags, 0644);
+ if (!g->fd) {
+ ret = errno;
+ log_err("glfs_creat failed.\n");
+ return ret;
+ }
+ /* file for read doesn't exist or shorter than required, create/extend it */
+ if (td_read(td)) {
+ if (glfs_lstat(g->fs, f->file_name, &sb)
+ || sb.st_size < f->real_file_size) {
+ dprint(FD_FILE, "fio extend file %s from %jd to %" PRIu64 "\n",
+ f->file_name, (intmax_t) sb.st_size, f->real_file_size);
+ ret = glfs_ftruncate(g->fd, f->real_file_size);
+ if (ret) {
+ log_err("failed fio extend file %s to %" PRIu64 "\n",
+ f->file_name, f->real_file_size);
+ } else {
+ unsigned long long left;
+ unsigned int bs;
+ char *b;
+ int r;
+
+ /* fill the file, copied from extend_file */
+ b = malloc(td->o.max_bs[DDIR_WRITE]);
+
+ left = f->real_file_size;
+ while (left && !td->terminate) {
+ bs = td->o.max_bs[DDIR_WRITE];
+ if (bs > left)
+ bs = left;
+
+ fill_io_buffer(td, b, bs, bs);
+
+ r = glfs_write(g->fd, b, bs, 0);
+ dprint(FD_IO,
+ "fio write %d of %" PRIu64 " file %s\n",
+ r, f->real_file_size,
+ f->file_name);
+
+ if (r > 0) {
+ left -= r;
+ continue;
+ } else {
+ if (r < 0) {
+ int __e = errno;
+
+ if (__e == ENOSPC) {
+ if (td->o.
+ fill_device)
+ break;
+ log_info
+ ("fio: ENOSPC on laying out "
+ "file, stopping\n");
+ break;
+ }
+ td_verror(td, errno,
+ "write");
+ } else
+ td_verror(td, EIO,
+ "write");
+
+ break;
+ }
+ }
+
+ if (b)
+ free(b);
+ glfs_lseek(g->fd, 0, SEEK_SET);
+
+ if (td->terminate && td->o.unlink) {
+ dprint(FD_FILE, "terminate unlink %s\n",
+ f->file_name);
+ glfs_unlink(g->fs, f->file_name);
+ } else if (td->o.create_fsync) {
+ if (glfs_fsync(g->fd) < 0) {
+ dprint(FD_FILE,
+ "failed to sync, close %s\n",
+ f->file_name);
+ td_verror(td, errno, "fsync");
+ glfs_close(g->fd);
+ g->fd = NULL;
+ return 1;
+ }
+ }
+ }
+ }
+ }
+#if defined(GFAPI_USE_FADVISE)
+ {
+ int r = 0;
+ if (td_random(td)) {
+ r = glfs_fadvise(g->fd, 0, f->real_file_size,
+ POSIX_FADV_RANDOM);
+ } else {
+ r = glfs_fadvise(g->fd, 0, f->real_file_size,
+ POSIX_FADV_SEQUENTIAL);
+ }
+ if (r) {
+ dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs,
+ f->file_name, r);
+ }
+ }
+#endif
+ dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name);
+ f->fd = -1;
+ f->shadow_fd = -1;
+ td->o.open_files ++;
+ return ret;
+}