add sync write10

include/iscsi.h

@@ -633,6 +633,11 @@ EXTERN struct scsi_task *
 iscsi_synchronizecache10_sync(struct iscsi_context *iscsi, int lun, int lba,
 			      int num_blocks, int syncnv, int immed);
 
+EXTERN struct scsi_task *
+iscsi_write10_sync(struct iscsi_context *iscsi, int lun,
+			unsigned char *data, uint32_t datalen, uint32_t lba, int fua,
+			int fuanv, int blocksize);
+
 
 /*
  * This function is used when  the application wants to specify its own buffers to read the data

lib/libiscsi.def

@@ -56,6 +56,7 @@ iscsi_readcapacity10_sync
 iscsi_synchronizecache10_sync
 iscsi_read6_sync
 iscsi_read10_sync
+iscsi_write10_sync
 iscsi_task_cancel
 poll
 scsi_task_add_data_in_buffer

lib/sync.c

@@ -302,6 +302,26 @@ iscsi_synchronizecache10_sync(struct iscsi_context *iscsi, int lun, int lba,
 	return state.task;
 }
 
+struct scsi_task *
+iscsi_write10_sync(struct iscsi_context *iscsi, int lun, unsigned char *data, uint32_t datalen, uint32_t lba,
+		   int fua, int fuanv, int blocksize)
+{
+	struct iscsi_sync_state state;
+
+	memset(&state, 0, sizeof(state));
+
+	if (iscsi_write10_task(iscsi, lun, data, datalen, lba, fua, fuanv, blocksize,
+				       scsi_sync_cb, &state) == NULL) {
+		iscsi_set_error(iscsi,
+				"Failed to send Write10 command");
+		return NULL;
+	}
+
+	event_loop(iscsi, &state);
+
+	return state.task;
+}
+
 struct scsi_task *
 iscsi_scsi_command_sync(struct iscsi_context *iscsi, int lun,
 			struct scsi_task *task, struct iscsi_data *data)