Commit 46b7d49a authored by Krzysztof Jakimiak's avatar Krzysztof Jakimiak Committed by Jim Harris
Browse files

spdk: add iov buffers to struct spdk_scsi_task 



Preparation for SGL support (readv/writev).

Change-Id: I14a116d764ebc582ea0a0077cc5a0d0bac638cb0
Signed-off-by: default avatarKrzysztof Jakimiak <krzysztof.jakimiak@intel.com>
parent 04d5f47f

include/spdk/scsi.h

+4 −1
Original line number Diff line number Diff line
@@ -124,7 +124,6 @@ struct spdk_scsi_task { 
	uint32_t alloc_len;



	uint64_t offset;

	struct iovec iov;

	struct spdk_scsi_task *parent;



	void (*free_fn)(struct spdk_scsi_task *);
@@ -132,6 +131,10 @@ struct spdk_scsi_task { 
	uint8_t *cdb;

	uint8_t *iobuf;



	struct iovec iov;

	struct iovec *iovs;

	uint16_t iovcnt;



	uint8_t sense_data[32];

	size_t sense_data_len;

lib/scsi/task.c

+6 −0
Original line number Diff line number Diff line
@@ -88,6 +88,12 @@ spdk_scsi_task_construct(struct spdk_scsi_task *task, uint32_t *owner_task_ctr, 
	task->owner_task_ctr = owner_task_ctr;

	*owner_task_ctr += 1;



	/*

	 * Pre-fill the iov_buffers to point to the embedded iov

	 */

	task->iovs = &task->iov;

	task->iovcnt = 1;



	if (parent != NULL) {

		parent->ref++;

		task->parent = parent;