best rugged usb flash drive

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

-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

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

First, of course we can use umount to uninstall it.You can use the mount command again to reload; However, if "pop-up"/"eject" is selected, it cannot be reloaded. This is generally applicable to optical drives; "Safely remove the driver"/"safely remove device", stop rotating the USB flash drive/mobile hard drive

FAQs about one-click USB flash drive system installation1. What is the one-click USB flash drive installation system? One-click USB flash

In January 29, 2013, 360 security guard posted a message on its official microblog about 360 emergency drive 1.0Beta, attracting thousands of forwards instantly. According to reports, the 360 emergency drive is a portable operating system that can be created in less than MB of U disk space. When the system crashes and cannot be started, the 360 first-aid disk can help you rescue files, store important data,

USB flash drives, a mobile storage device, provide great convenience for people to store data due to its advantages such as small size, large capacity, and easy to carry. But thanks to this convenience, the virus also has a chance to take advantage of it. Have you ever taken a USB flash

For the entire USB-storage module, the usb_stor_init () function is its start. However, for the USB flash drive, the function that actually drives the USB flash drive starts with the st

Mount the USB flash drive another day and mount the dvd and mobile hard drive. 1. before inserting the USB flash drive, # cat/proc/tartitions2, insert the

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

-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