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transmission. Which of the four types of transmission a device can support is the property of the device itself, which is determined during hardware design. For example, a pure USB flash drive must support batch transmission and control transmission. Different transmission requirements have different endpoints, so for a USB flash
Rome was not built in one day. Before making the USB flash drive work, we actually made a lot of preparations for the driver. We continue to follow our feelings. storage_probe (), 972 to 975 rows, and a series of functions named init _ * are called at the moment. here some lock mechanisms and wait mechanisms are involved, but...
Rome was not built in one day. Before making the
unsigned int delay_use = 5;
111 module_param (delay_use, uint, s_irugo | s_iwusr );
112 module_parm_desc (delay_use, "seconds todelay before using a new device ");
Set delay_use to 5, while module_param is a macro provided by Linux kernel 2.6, so that delay_use can be set when the module is loaded. (If this parameter is not set, the value 5 indicates that a new device is waiting for a delay of 5 seconds .) Why latency? When the inserted USB flash
-storage: devicescan complete \ n ");
936
937/* shocould we unbind if no devices weredetected? */
938}
939
940 scsi_host_put (us_to_host (us ));
941 complete_and_exit ( threads_gone, 0 );
942}
Row 3, where does delay_use come from? In the same file, a static variable is defined at the beginning:
110 static unsigned int delay_use = 5;
111 module_param (delay_use, uint, S_IRUGO | S_IWUSR );
112 MODULE_PARM_DESC (delay_use, "seconds todelay before using a new device ");
Set delay_use to
One day, I used a USB flash drive on the company's computer and copied the photos to the hard disk. As I was in a hurry to go out, I just pulled out the USB flash drive when I shut down the computer. This operation should be no different from pulling out the USB flash
Rome was not built in one day. Before making the USB flash drive work, we actually made a lot of preparations for the driver.
We continue to follow our feelings. storage_probe (), 972 to 975 rows, and a series of functions named init _ * are called at the moment. Here some lock mechanisms and wait mechanisms are involved, however, it is only initialization, but it is ignored for the time being. It will be e
-2.6.22/drivers # cd usb/
Lfg1:/usr/src/linux-2.6.22/drivers/usb # ls
Kconfig Makefile README atm class core gadget host image misc mon
Serial storage usb-skeleton.c
Note that each directory contains a Kconfig file and Makefile, which is very important. We will introduce it later.
Our story is based on the drivers/usb
USB flash drive, mobile hard drive boot boot install linux system "Centos 6.4"USB flash drive, mobile hard drive boot to install Linux system "Centos 6.4" (Rhel basically the same)The case is that I installed 32 system, 64-bit whe
I. Solutions for using USB flash drives on Vmware Server2.0:
1. Add USB controller :(Note: All of the following operations must be performed on the server.)
A. Select the virtual machine to add the hardware, click the summary tab, and click "add Hardware" in commands on the right panel ". For example:
B. In the "add hardware wizard" dialog box that appears, click "Hardware type" and select "
Create a USB flash drive and a UEFI boot drive for Chinese Cabbage
Make a USB flash drive for UEFI.
Download and install the brand new cabbage UEFI Version 7.3 from the official Chinese cabbage website.
Insert the USB fl
Windows Deployment Tool.
Diagram: The Windows to Go Wizard scans local drives
3, select a good u disk and image file, confirm you can start to create the Windows to go disk.
Diagram: Ready to start creating a Windows to go disk
4, the installation process can choose to use BitLocker encryption windows to go flash drive, for security reasons, it is strongly recommended to use, just type the password.
Illustrati
The previous use of U disk System are used UltraISO direct production of the startup disk, and sometimes a couple of days have to dress up the system, today is windows, tomorrow is Ubuntu, the day after that may be other Linux distribution, very inconvenient, So just want to use a U disk to do a multi-system startup disk, after n days of continuous practice, and constantly try to finally let me succeed.Pre-production preparation :1) 1 USB flash
USB stick inserted after the Mac in order to make the USB flash drive safe eject, how to do? The first user of the Mac system friends may encounter such questions, in order to protect the USB flash drive or mobile hard disk inside the data security, easy to safely eject U di
Some people say that the optical drive will not be used in the future. The Blu-ray HD format has just been defeated by the hddvd format, and it is too late to celebrate the victory. The fate of the optical drive will soon be eliminated. With the increase in network bandwidth and the popularization of Mobile 3G/4G, as the capacity of hard disks and USB flash disks
We followed storage_probe () almost completely, and it seems that everything is about to end, but do you think you haven't understood how the device works so far? USB flash disks, not just USB devices or disks, must comply with the USB massstorage protocol and...
We followed storage_probe () almost completely, and it seems that everything is about to end, but do
unsigned int delay_use = 5;
111 module_param (delay_use, uint, S_IRUGO | S_IWUSR );
112 MODULE_PARM_DESC (delay_use, "seconds todelay before using a new device ");
Set delay_use to 5, while module_param is a macro provided by Linux Kernel 2.6, so that delay_use can be set when the module is loaded. (If this parameter is not set, the value 5 indicates that a new device is waiting for a delay of 5 seconds .) Why latency? When the inserted USB flash
When a USB flash drive or camera is inserted into the USB port, how can the program detect it?Hey, what the landlord wants is similar to a small program I recently wrote. The following is my simple USB flash drive thief program. I wrote it in SDK mode. You can refer to it an
The following describes the usb_stor_control_thread () function. The wake-up command is the up ( amp; (us- gt; sema) from queuecommand, and the us- gt; sulfate is assigned to the server load balancer, in contrast, the server load balancer is a parameter passed in when the SCSI core layer calls the queuecommand. Focus on usb_stor_control_thread ()
The following describes the usb_stor_control_thread () function. What wakes up is the up ( (us-> sema) from the queuecommand, and us-> sulfate is assi
theft and loss.
Encrypted USB flash drive storage device
Enterprises need to pay attention not only to access passwords, but to protect data by encrypting devices. Next we will introduce how to create an encrypted USB flash disk in Ubuntu:
First, you need to install cryptsetup in Linux:
sudoapt-getinstall-ycryptsetup
theft and loss.
Encrypted USB flash drive storage device
Enterprises need to pay attention not only to access passwords, but to protect data by encrypting devices. Next we will introduce how to create an encrypted USB flash disk in Ubuntu:
First, you need to install cryptsetup in Linux:
Sudo apt-get install-y cryptset
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