engines/io_uring: remove dead code related to trim

Now that we are no longer using an NVMe IOCTL to send io_uring_cmd trim
commands we can just use the existing pathway to carry out synchronous
trim commands for zoned devices. So we no longer need this code.

Signed-off-by: Vincent Fu <vincent.fu@samsung.com>

engines/io_uring.c

@@ -564,27 +564,6 @@ static inline void fio_ioring_cmdprio_prep(struct thread_data *td,
 		ld->sqes[io_u->index].ioprio = io_u->ioprio;
 }
 
-static int fio_ioring_cmd_io_u_trim(struct thread_data *td,
-				    struct io_u *io_u)
-{
-	struct fio_file *f = io_u->file;
-	int ret;
-
-	if (td->o.zone_mode == ZONE_MODE_ZBD) {
-		ret = zbd_do_io_u_trim(td, io_u);
-		if (ret == io_u_completed)
-			return io_u->xfer_buflen;
-		if (ret)
-			goto err;
-	}
-
-	return fio_nvme_trim(td, f, io_u->offset, io_u->xfer_buflen);
-
-err:
-	io_u->error = ret;
-	return 0;
-}
-
 static enum fio_q_status fio_ioring_queue(struct thread_data *td,
 					  struct io_u *io_u)
 {
@@ -601,10 +580,7 @@ static enum fio_q_status fio_ioring_queue(struct thread_data *td,
 		if (ld->queued)
 			return FIO_Q_BUSY;
 
-		if (!strcmp(td->io_ops->name, "io_uring_cmd"))
-			fio_ioring_cmd_io_u_trim(td, io_u);
-		else
-			do_io_u_trim(td, io_u);
+		do_io_u_trim(td, io_u);
 
 		io_u_mark_submit(td, 1);
 		io_u_mark_complete(td, 1);

engines/nvme.c

@@ -83,45 +83,6 @@ int fio_nvme_uring_cmd_prep(struct nvme_uring_cmd *cmd, struct io_u *io_u,
 	return 0;
 }
 
-static int nvme_trim(int fd, __u32 nsid, __u32 nr_range, __u32 data_len,
-		     void *data)
-{
-	struct nvme_passthru_cmd cmd = {
-		.opcode		= nvme_cmd_dsm,
-		.nsid		= nsid,
-		.addr		= (__u64)(uintptr_t)data,
-		.data_len 	= data_len,
-		.cdw10		= nr_range - 1,
-		.cdw11		= NVME_ATTRIBUTE_DEALLOCATE,
-	};
-
-	return ioctl(fd, NVME_IOCTL_IO_CMD, &cmd);
-}
-
-int fio_nvme_trim(const struct thread_data *td, struct fio_file *f,
-		  unsigned long long offset, unsigned long long len)
-{
-	struct nvme_data *data = FILE_ENG_DATA(f);
-	struct nvme_dsm_range dsm;
-	int ret;
-
-	if (data->lba_ext) {
-		dsm.nlb = len / data->lba_ext;
-		dsm.slba = offset / data->lba_ext;
-	} else {
-		dsm.nlb = len >> data->lba_shift;
-		dsm.slba = offset >> data->lba_shift;
-	}
-
-	ret = nvme_trim(f->fd, data->nsid, 1, sizeof(struct nvme_dsm_range),
-			&dsm);
-	if (ret)
-		log_err("%s: nvme_trim failed for offset %llu and len %llu, err=%d\n",
-			f->file_name, offset, len, ret);
-
-	return ret;
-}
-
 static int nvme_identify(int fd, __u32 nsid, enum nvme_identify_cns cns,
 			 enum nvme_csi csi, void *data)
 {

engines/nvme.h

@@ -216,9 +216,6 @@ struct nvme_dsm_range {
 	__le64	slba;
 };
 
-int fio_nvme_trim(const struct thread_data *td, struct fio_file *f,
-		  unsigned long long offset, unsigned long long len);
-
 int fio_nvme_iomgmt_ruhs(struct thread_data *td, struct fio_file *f,
 			 struct nvme_fdp_ruh_status *ruhs, __u32 bytes);