在模块中，通过查询super_blocks列表，来遍历系统中的所有super_block，但是出现与下面类似的错误：
http://stackoverflow.com/q/5051111/941650
也可以参考他的解决方法，到System.map中去查找真实地址，不过这样不是解决问题的最好方法。
先贴出当前的代码
1: #include <linux/module.h>
2: #include <linux/fs.h>
3: 4: MODULE_LICENSE("GPL");
5: 6: 7: void printRawData(unsigned long size, const u_char* data)
8: {9: if (size == 0)
10: {11: return;
12: } 13: 14: printk("Memory at 0x%08x ", (u32)data);
15: unsigned long i = 0;
16: for (i=0;i<16;i++)
17: {18: printk("%4X", i);
19: }20: printk(" ");
21: for (i=0;i<16;i++)
22: {23: printk("%4s", "__");
24: } 25: 26: char lineSummary[17] = {0,};
27: unsigned long pos = 0;
28: for (i=0;i<size;i++)
29: {30: if ((pos = i % 16) == 0)
31: {32: if (i != 0)
33: {34: printk(" ---- %s ", lineSummary);
35: memset(lineSummary, 0, 17); 36: }37: else
38: {39: printk(" ");
40: } 41: } 42: 43: printk(" %02X", *(data + i));
44: 45: if (*(data + i) >= 0x20 && *(data + i) <= 0x7E)
46: { 47: lineSummary[pos] = *(data + i); 48: }49: else
50: {51: lineSummary[pos] = ' ';
52: } 53: } 54: 55: if (size % 16 != 0)
56: {57: for (i=0;i<16 - (size%16);i++)
58: {59: printk(" ");
60: } 61: } 62: 63: printk(" ---- %s ", lineSummary);
64: printk(" ");
65: } 66: 67: void AnalyzeSuperBlock()
68: {69: struct super_block* item;
70: struct list_head * super_blocks = 0xc1778bc0;
71: 72: list_for_each_entry(item,super_blocks,s_list) 73: {74: printk("super_block 0x%08X %s ", item, item->s_id);
75: } 76: } 77: 78: static int pslist_init()
79: {80: printk("################################################################### ");
81: AnalyzeSuperBlock();82: return 0;
83: } 84: 85: static void pslist_exit()
86: {87: printk("################################################################### ");
88: } 89: 90: 91: 92: module_init(pslist_init); 93: module_exit(pslist_exit);结果：
1: [153479.359674] ################################################################### 2: [153479.359677] super_block 0xF5404800 sysfs 3: [153479.359678] super_block 0xF5404A00 rootfs 4: [153479.359679] super_block 0xF5404C00 bdev 5: [153479.359680] super_block 0xF5404E00 proc 6: [153479.359681] super_block 0xF545AC00 tmpfs 7: [153479.359682] super_block 0xF545AE00 devtmpfs 8: [153479.359683] super_block 0xF5464400 debugfs 9: [153479.359684] super_block 0xF5464A00 sockfs 10: [153479.359685] super_block 0xF551F800 pipefs 11: [153479.359686] super_block 0xF551FA00 anon_inodefs 12: [153479.359686] super_block 0xF551FC00 securityfs 13: [153479.359687] super_block 0xF5792200 devpts 14: [153479.359688] super_block 0xF57A8000 hugetlbfs 15: [153479.359689] super_block 0xF57A8800 mqueue 16: [153479.359690] super_block 0xF4C57000 sysfs 17: [153479.359691] super_block 0xF4C4AC00 tmpfs 18: [153479.359692] super_block 0xF4DB3C00 fusectl 19: [153479.359693] super_block 0xF4D57000 sda1 20: [153479.359694] super_block 0xF4C99600 tmpfs 21: [153479.359695] super_block 0xF4D3CC00 tmpfs 22: [153479.359696] super_block 0xEF20DC00 binfmt_misc 23: [153479.359697] super_block 0xF2F23C00 vboxsf 24: [153479.359698] super_block 0xEF12AA00 vboxsf 25: [153479.359699] super_block 0xEE76B800 vboxsf 26: [153479.359700] super_block 0xF2CBC600 fuse 27: [153479.359701] super_block 0xEDA70400 vboxsf 28: [153479.361922] ###################################################################