{"id":41760,"date":"2025-06-04T07:31:33","date_gmt":"2025-06-03T23:31:33","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/41760.html"},"modified":"2025-06-04T07:31:33","modified_gmt":"2025-06-03T23:31:33","slug":"linux%e3%80%8a%e6%96%87%e4%bb%b6%e7%b3%bb%e7%bb%9f%e3%80%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/41760.html","title":{"rendered":"Linux\u300a\u6587\u4ef6\u7cfb\u7edf\u300b"},"content":{"rendered":"

\u5728\u4e4b\u524d\u7684\u7cfb\u7edfIO\u5f53\u4e2d\u5df2\u7ecf\u4e86\u89e3\u4e86\u201c\u5185\u5b58\u201d\u7ea7\u522b\u7684\u6587\u4ef6\u64cd\u4f5c，\u4e86\u89e3\u4e86\u6587\u4ef6\u63cf\u8ff0\u7b26\u3001\u91cd\u5b9a\u5411\u3001\u7f13\u51b2\u533a\u7b49\u6982\u5ff5，\u5728\u4e86\u89e3\u4e86\u8fd9\u4e9b\u7684\u77e5\u8bc6\u4e4b\u540e\u8fd8\u5c01\u88c5\u51fa\u4e86\u6211\u4eec\u81ea\u5df1\u7684libc\u5e93\u3002\u63a5\u4e0b\u6765\u5728\u672c\u7bc7\u5f53\u4e2d\u5c06\u4f1a\u5c06\u89c6\u89d2\u4ece\u5185\u5b58\u8f6c\u5411\u78c1\u76d8，\u7814\u7a76\u6587\u4ef6\u5728\u5185\u5b58\u5f53\u4e2d\u662f\u5982\u4f55\u8fdb\u884c\u5b58\u50a8\u7684，\u5c06\u4ece\u78c1\u76d8\u7684\u786c\u4ef6\u5f00\u59cb\u4e86\u89e3\u78c1\u76d8\u7684\u57fa\u672c\u7ed3\u6784，\u4e4b\u540e\u518d\u5f15\u5165\u6587\u4ef6\u7cfb\u7edf\u7684\u6982\u5ff5，\u8be6\u7ec6\u4e86\u89e3\u5f53\u5f53\u7528\u6237\u8981\u6253\u5f00\u5bf9\u5e94\u7684\u6587\u4ef6\u65f6\u662f\u5982\u4f55\u8fdb\u884c\u8def\u5f84\u89e3\u6790\u4ece\u800c\u5f97\u5230\u6587\u4ef6\u7684\u5185\u5bb9\u7684，\u6700\u540e\u8fd8\u8981\u518d\u4e86\u89e3\u8f6f\u8fde\u63a5\u548c\u786c\u94fe\u63a5\u8fd9\u4e24\u4e2a\u5168\u65b0\u7684\u6982\u5ff5\u3002\u76f8\u4fe1\u901a\u8fc7\u672c\u7bc7\u7684\u5b66\u4e60\u80fd\u8ba9\u4f60\u7406\u89e3\u6587\u4ef6\u662f\u5982\u4f55\u5728\u78c1\u76d8\u5f53\u4e2d\u5b58\u50a8\u7684，\u53c8\u662f\u5982\u4f55\u88ab\u8bfb\u53d6\u7684，\u4e00\u8d77\u52a0\u6cb9\u5427！！！<\/span><\/p>\n<\/p>\n

\"\"<\/p>\n

\n

\u76ee\u5f55<\/p>\n

\n

1. \u4e86\u89e3\u78c1\u76d8\u786c\u4ef6\u7ed3\u6784<\/p>\n

1.1 \u521d\u8bc6\u78c1\u76d8<\/p>\n

\u00a01.2 \u78c1\u76d8\u5185\u90e8\u7ed3\u6784<\/p>\n

1.3 \u78c1\u76d8\u5bfb\u5740\u65b9\u5f0f<\/p>\n

1.chs\u5bfb\u5740<\/p>\n

2. LBA\u5bfb\u5740<\/p>\n

2. LBA\u4e0eCHS\u8f6c\u6362<\/p>\n

CHS\u8f6c\u6210LBA<\/p>\n

LBA\u8f6c\u6210CHS<\/p>\n

2.\u5f15\u5165\u6587\u4ef6\u7cfb\u7edf<\/p>\n

2.1 \u5f15\u5165\u201c\u5757\u201d\u6982\u5ff5<\/p>\n

2.2 \u5f15\u5165\u201c\u5206\u533a\u201d\u6982\u5ff5<\/p>\n

3. \u6587\u4ef6\u7cfb\u7edf<\/p>\n

3.1 \u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406\u65b9\u5f0f<\/p>\n

\u6587\u4ef6\u5b58\u50a8<\/p>\n

\u00a0\u76ee\u5f55\u5b58\u50a8<\/p>\n

\u5206\u533a\u6302\u8f7d<\/p>\n

\u603b\u7ed3<\/p>\n

4. \u8f6f\u786c\u94fe\u63a5\u00a0<\/p>\n

4.1 \u8f6f\u94fe\u63a5<\/p>\n

4.2 \u786c\u94fe\u63a5\u00a0<\/p>\n

\n

1. \u4e86\u89e3\u78c1\u76d8\u786c\u4ef6\u7ed3\u6784<\/span><\/h2>\n

1.1 \u521d\u8bc6\u78c1\u76d8<\/span><\/h3>\n

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\u4e00\u822c\u7684\u78c1\u76d8\u662f\u5982\u4e0b\u6240\u793a\u7684：<\/span> \"\"<\/p>\n

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\u6ce8：\u4e00\u5b9a\u4e0d\u8981\u5c06\u4f60\u7684\u78c1\u76d8\u6253\u5f00，\u6b63\u5e38\u78c1\u76d8\u5185\u90e8\u90fd\u662f\u88ab\u5c01\u88c5\u4e3a\u65e0\u5c18\u7684，\u5f53\u6253\u5f00\u4e4b\u540e\u4f1a\u4f7f\u5f97\u78c1\u76d8\u7684\u76d8\u7247\u5728\u8fd0\u8f6c\u7684\u65f6\u5019\u548c\u7070\u5c18\u63a5\u89e6\u4ece\u800c\u9020\u6210\u78c1\u76d8\u5185\u90e8\u5185\u5bb9\u7684\u4e22\u5931\u3002<\/span>\u00a0<\/p>\n

\"\"\"\"<\/p>\n

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\"\"\"\"\"\"<\/p>\n<\/p>\n

<\/h5>\n

\u00a01.2 \u78c1\u76d8\u5185\u90e8\u7ed3\u6784<\/span><\/h3>\n

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\u4ece\u78c1\u76d8\u7684\u5185\u90e8\u4e0a\u770b\u4f3c\u4e4e\u53ea\u6709\u4e00\u4e2a\u76d8\u7247，\u4f46\u5176\u5b9e\u662f\u78c1\u76d8\u662f\u7531\u591a\u4e2a\u76d8\u7247\u6784\u6210\u7684<\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n<\/p>\n

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\"\"\"\"<\/p>\n

<\/h4>\n

1.3 \u78c1\u76d8\u5bfb\u5740\u65b9\u5f0f<\/span><\/h3>\n

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\"\"<\/p>\n

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1.chs\u5bfb\u5740<\/span><\/h4>\n

\u4ee5\u4e0a\u521d\u8bc6\u4e86\u78c1\u76d8\u7684\u5185\u90e8\u7ed3\u6784，\u90a3\u4e48\u78c1\u76d8\u95ee\u9898\u5c31\u6765\u4e86，\u5728\u78c1\u76d8\u5185\u90e8\u8981\u5b9a\u4f4d\u5230\u5bf9\u5e94\u7684\u4f4d\u7f6e\u8981\u901a\u8fc7\u4ec0\u4e48\u65b9\u5f0f\u6765\u8fdb\u884c\u627e\u5230\u5bf9\u5e94\u7684<\/span>\u6247\u533a<\/span>\u5462?<\/span><\/p>\n

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\u2022 \u53ef\u4ee5\u5148\u5b9a\u4f4d\u78c1\u5934（header）<\/span><\/span><\/p>\n

\u2022 \u786e\u5b9a\u78c1\u5934\u8981\u8bbf\u95ee\u54ea\u2f00\u4e2a\u67f1\u9762(\u78c1\u9053)（cylinder）<\/span><\/span><\/p>\n

\u2022 \u5b9a\u4f4d\u2f00\u4e2a\u6247\u533a(sector)<\/span><\/span><\/p>\n

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<\/h5>\n

2. LBA\u5bfb\u5740<\/span><\/h4>\n

\u5b9e\u9645\u4e0a\u5728\u8ba1\u7b97\u673a\u4e0d\u662f\u901a\u8fc7\u4ee5\u4e0a\u7684CHS\u65b9\u5f0f\u6765\u5b9a\u4f4d\u5bf9\u5e94\u7684\u6247\u533a\u7684，\u8fd9\u662f\u56e0\u4e3a\u8fd9\u6837\u7684\u6548\u7387\u592a\u4f4e\u4e86，\u5728\u8ba1\u7b97\u673a\u5f53\u4e2d\u4f7f\u7528\u4e86\u4e00\u79cd\u66f4\u52a0\u9ad8\u6548\u7684\u65b9\u5f0f\u6765\u8fdb\u884c\u6247\u533a\u7684\u5b9a\u4f4d，\u8be5\u65b9\u5f0f\u5c31\u662fLBA\u3002<\/span><\/p>\n

\u5728\u4e86\u89e3LBA\u5bfb\u5740\u7684\u65b9\u5f0f\u4e4b\u524d\u5148\u8981\u6765\u4e86\u89e3\u5728\u8ba1\u7b97\u673a\u5f53\u4e2d\u662f\u5982\u4f55\u5c06\u78c1\u76d8\u8fd9\u6837\u591a\u7ef4\u7684\u4e8b\u7269\u62bd\u8c61\u4e3a\u4e00\u7ef4\u7684\u3002<\/span><\/p>\n

\u6211\u4eec\u77e5\u9053\u5728\u8ba1\u7b97\u673a\u5f53\u4e2d\u672c\u8d28\u4e0a\u662f\u53ea\u80fd\u5b58\u50a8\u4e00\u7ef4\u7684\u6570\u636e，\u4f8b\u5982\u4e4b\u524d\u5b66\u4e60\u5230\u7684\u4e8c\u7ef4\u6570\u7ec4\u672c\u8d28\u4e0a\u5728\u8ba1\u7b97\u673a\u5f53\u4e2d\u5b58\u50a8\u4e5f\u662f\u4e00\u7ef4\u7684，\u90a3\u4e48\u8981\u5c06\u78c1\u76d8\u5f53\u4e2d\u7684\u4e00\u4e2a\u4e2a\u6247\u533a\u4e5f\u62bd\u8c61\u4e3a\u4e00\u7ef4\u6709\u4ec0\u4e48\u65b9\u6cd5\u5462？<\/span><\/p>\n

\u8fd9\u65f6\u6211\u4eec\u6700\u5bb9\u6613\u60f3\u5230\u7684\u65b9\u5f0f\u5c31\u662f\u4ece\u78c1\u76d8\u5f53\u4e2d\u7684\u6700\u4e0a\u7684\u76d8\u7247\u5f00\u59cb\u5c06\u76d8\u7247\u5f53\u4e2d\u7684\u6247\u533a\u4ece\u5916\u5411\u5185\u770b\u4f5c\u662f\u4e00\u4e2a\u8fde\u7eed\u7684\u6570\u7ec4\u3002<\/span><\/span><\/p>\n

\"\"<\/p>\n

\u4ee5\u4e0a\u7684\u65b9\u5f0f\u786e\u5b9e\u80fd\u5b9e\u73b0\u5c06\u78c1\u76d8\u8fdb\u884c\u62bd\u8c61\u7684\u64cd\u4f5c，\u5f53\u65f6\u5982\u679c\u5f53\u8981\u8fdb\u884c\u5bfb\u5740\u7684\u6247\u533a\u7684\u4f4d\u7f6e\u5728\u78c1\u76d8\u5f53\u4e2d\u7684\u9760\u4e0b\u65f6\u8fdb\u884c\u5bfb\u5740\u5c31\u9700\u8981\u5c06\u78c1\u76d8\u641c\u7d22\u4e00\u904d，\u90a3\u4e48\u8fd9\u6837\u8fdb\u884c\u78c1\u76d8\u8bfb\u5199\u64cd\u4f5c\u65f6\u7684\u6548\u7387\u4e5f\u592a\u4f4e\u4e86\u5427\u00a0\u3002<\/p>\n

\u5728\u6b64\u6709\u53e6\u5916\u4e00\u79cd\u65b9\u5f0f\u76f8\u6bd4\u4ee5\u4e0a\u7684\u66f4\u597d\u7684\u5c31\u662f\u53ef\u4ee5\u5148\u5c06\u78c1\u76d8\u770b\u4f5c\u662f\u4e09\u7ef4\u7684，\u518d\u5c06\u67f1\u9762\u770b\u4f5c\u662f\u4e8c\u7ef4\u7684，\u6bcf\u4e2a\u78c1\u9053\u5c31\u662f\u4e00\u7ef4\u7684\u4e86<\/span><\/p>\n

\u78c1\u9053\u5c55\u5f00\u770b\u4f5c\u662f\u4e00\u7ef4\u6570\u7ec4：<\/span><\/p>\n

\"\"<\/p>\n

\u6574\u4e2a\u67f1\u9762\u5c31\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4：<\/p>\n

\"\"<\/p>\n<\/p>\n

\"\"<\/p>\n

\u00a0\"\"<\/p>\n

\u00a0\u6574\u4e2a\u78c1\u76d8\u5c31\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u4e2a\u4e09\u7ef4\u6570\u7ec4： \u00a0<\/p>\n

\"\"<\/p>\n

\u901a\u8fc7\u4e4b\u524d\u7684\u5b66\u4e60\u6211\u4eec\u77e5\u9053\u4ee5\u4e0a\u7684\u4e09\u7ef4\u6570\u7ec4\u672c\u8d28\u662f\u5982\u4e0b\u6240\u793a\u7684\u4e00\u7ef4\u6570\u7ec4<\/span><\/p>\n

\"\"<\/p>\n

\u90a3\u4e48\u6b64\u65f6\u6bcf\u4e2a\u6247\u533a\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u6570\u7ec4\u4e0b\u6807，\u8fd9\u65f6\u5c31\u5c06\u8be5\u6570\u7ec4\u7684\u4e0b\u6807\u53eb\u505aLBA(Logical Block Address)\u5730\u5740\u3002<\/span><\/span><\/p>\n<\/p>\n

<\/h5>\n

2. LBA\u4e0eCHS\u8f6c\u6362<\/span><\/h4>\n

\u4ee5\u4e0a\u6211\u4eec\u5c31\u4e86\u89e3\u4e86LBA\u548cCHS\u7684\u4e24\u79cd\u5bfb\u5740\u7684\u65b9\u5f0f，\u5728\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2d\u53ea\u9700\u8981\u6709\u5bf9\u5e94\u7684\u6247\u533a\u7684LBA\u503c\u5373\u53ef，\u4f46\u662f\u6bd5\u7adfLBA\u5bf9\u5e94\u7684\u503c\u662f\u62bd\u8c61\u51fa\u6765\u7684，\u6700\u7ec8\u5728\u78c1\u76d8\u5f53\u4e2d\u5bfb\u627e\u6247\u533a\u7684\u65f6\u5019\u8fd8\u662f\u8981\u5f97\u5230\u5bf9\u5e94C，H，S\u7684\u503c，\u5b9e\u9645\u4e0a\u5c06LBA\u8f6c\u5316\u4e3aCHS\u7684\u5de5\u4f5c\u662f\u7531\u78c1\u76d8\u81ea\u5df1\u6765\u5b9e\u73b0\u7684，\u5c06CHS\u8f6c\u5316\u4e3aLBA\u4e5f\u662f<\/span>\u3002<\/span><\/p>\n

\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u6765\u601d\u8003\u662f\u5982\u4f55\u8fdb\u884cLBA\u548cCHS\u4e4b\u95f4\u7684\u8f6c\u6362\u7684\u5462？<\/span><\/p>\n

\u63a5\u4e0b\u6765\u5c31\u6765\u8bb2\u89e3<\/span><\/p>\n

CHS\u8f6c\u6210LBA<\/span><\/h5>\n

\u2022 \u78c1\u5934\u6570*\u6bcf\u78c1\u9053\u6247\u533a\u6570 = \u5355\u4e2a\u67f1\u9762\u7684\u6247\u533a\u603b\u6570<\/span><\/p>\n

\u2022 LBA = \u67f1\u9762\u53f7C*\u5355\u4e2a\u67f1\u9762\u7684\u6247\u533a\u603b\u6570 + \u78c1\u5934\u53f7H*\u6bcf\u78c1\u9053\u6247\u533a\u6570 + \u6247\u533a\u53f7S – 1<\/span><\/p>\n

\u2022 \u5373：LBA = \u67f1\u9762\u53f7C*(\u78c1\u5934\u6570*\u6bcf\u78c1\u9053\u6247\u533a\u6570) + \u78c1\u5934\u53f7H*\u6bcf\u78c1\u9053\u6247\u533a\u6570 + \u6247\u533a\u53f7S – 1<\/span><\/p>\n

\u6ce8：\u6247\u533a\u53f7\u901a\u5e38\u662f\u4ece1\u5f00\u59cb\u7684，\u800c\u5728LBA\u4e2d，\u5730\u5740\u662f\u4ece0\u5f00\u59cb\u7684，\u00a0\u67f1\u9762\u548c\u78c1\u9053\u90fd\u662f\u4ece0\u5f00\u59cb\u7f16\u53f7\u7684<\/span><\/p>\n

\u603b\u67f1\u9762，\u78c1\u9053\u4e2a\u6570，\u6247\u533a\u603b\u6570\u7b49\u4fe1\u606f，\u5728\u78c1\u76d8\u5185\u90e8\u4f1a\u81ea\u52a8\u7ef4\u62a4，\u4e0a\u5c42\u5f00\u673a\u7684\u65f6\u5019，\u4f1a\u83b7\u53d6\u5230\u8fd9\u4e9b\u53c2\u6570\u3002<\/span><\/p>\n

<\/h5>\n
LBA\u8f6c\u6210CHS<\/span><\/h5>\n

\u2022 \u67f1\u9762\u53f7C = LBA \/\/ (\u78c1\u5934\u6570*\u6bcf\u78c1\u9053\u6247\u533a\u6570)\u3010\u5c31\u662f\u5355\u4e2a\u67f1\u9762\u7684\u6247\u533a\u603b\u6570\u3011<\/span><\/p>\n

\u2022 \u78c1\u5934\u53f7H = (LBA % (\u78c1\u5934\u6570*\u6bcf\u78c1\u9053\u6247\u533a\u6570)) \/\/ \u6bcf\u78c1\u9053\u6247\u533a\u6570<\/span><\/p>\n

\u2022 \u6247\u533a\u53f7S = (LBA % \u6bcf\u78c1\u9053\u6247\u533a\u6570) + 1<\/span><\/p>\n

\u6ce8："\/\/": \u8868\u793a\u9664\u53d6\u6574<\/span><\/p>\n<\/p>\n

\u6240\u4ee5：\u4ece\u6b64\u5f80\u540e，\u5728\u78c1\u76d8\u4f7f\u7528\u8005\u770b\u6765，\u6839\u672c\u5c31\u4e0d\u5173\u5fc3CHS\u5730\u5740，\u800c\u662f\u76f4\u63a5\u4f7f\u7528LBA\u5730\u5740，\u78c1\u76d8\u5185\u90e8\u81ea\u5df1\u8f6c\u6362\u3002\u4ece\u73b0\u5728\u5f00\u59cb，\u78c1\u76d8\u5c31\u662f\u2f00\u4e2a \u5143\u7d20\u4e3a\u6247\u533a \u7684\u2f00\u7ef4\u6570\u7ec4，\u6570\u7ec4\u7684\u4e0b\u6807\u5c31\u662f\u6bcf\u2f00\u4e2a\u6247\u533a\u7684LBA\u5730\u5740\u3002<\/span>OS\u4f7f\u7528\u78c1\u76d8，\u5c31\u53ef\u4ee5\u7528\u4e2a\u6570\u5b57\u8bbf\u95ee\u78c1\u76d8\u6247\u533a\u4e86<\/span>\u3002<\/span><\/p>\n<\/p>\n

<\/h4>\n

2.\u5f15\u5165\u6587\u4ef6\u7cfb\u7edf<\/span><\/h2>\n

\u4ee5\u4e0a\u4e86\u89e3\u4e86\u78c1\u76d8\u7684\u7269\u7406\u7ed3\u6784\u662f\u4ec0\u4e48\u6837\u7684，\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u5728\u8be6\u7ec6\u4e86\u89e3\u6587\u4ef6\u7cfb\u7edf\u4e4b\u524d\u5148\u6765\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5<\/span><\/p>\n

2.1 \u5f15\u5165\u201c\u5757\u201d\u6982\u5ff5<\/span><\/h3>\n

\u78c1\u76d8\u5f53\u4e2d\u53ca\u57fa\u672c\u5355\u4f4d\u662f\u6247\u533a，\u4f46\u5b9e\u9645\u4e0aOS\u5728\u8bbf\u95ee\u6587\u4ef6\u7cfb\u7edf\u65f6\u5982\u679c\u662f\u4e00\u4e2a\u4e00\u4e2a\u6247\u533a\u7684\u52a0\u8f7d\u8fd9\u6837IO\u7684\u6548\u7387\u662f\u5f88\u4f4e\u7684，<\/span>\u56e0\u6b64\u64cd\u4f5c\u7cfb\u7edf\u5f53\u4e2dOS\u6587\u4ef6\u7cfb\u7edf\u8bbf\u95ee\u78c1\u76d8\u662f\u4ee5\u201c\u5757\u201d\u4e3a\u5355\u4f4d<\/span>\u3002<\/span><\/p>\n

\u90a3\u4e48\u5728\u6b64\u63d0\u5230\u7684\u5757\u5177\u4f53\u7684\u5927\u5c0f\u662f\u591a\u5c11\u5462？<\/span><\/p>\n

\u5728\u6b64\u662f\u5c06\u78c1\u76d8\u5f53\u4e2d\u8fde\u7eed8\u4e2a\u6247\u533a\u4e3a\u4e00\u4e2a\u78c1\u76d8\u5757，\u7531\u4e8e\u6247\u533a\u7684\u5927\u5c0f\u662f512\u5b57\u8282，\u90a3\u4e48\u78c1\u76d8\u5757\u7684\u5927\u5c0f\u5c31\u662f512\u5b57\u8282*8=4kb\u3002<\/span><\/p>\n

\u6709\u4e86LBA\u7684\u503c\u4e4b\u540e\u5c06<\/span>LBA\/8=\u5757\u53f7,<\/span>\u5c06<\/span>\u5757\u53f7*8+[0~7]=\u5bf9\u5e94LBA\u503c<\/span><\/p>\n

\"\"<\/p>\n

<\/h5>\n

2.2 \u5f15\u5165\u201c\u5206\u533a\u201d\u6982\u5ff5<\/span><\/h3>\n

\u6211\u4eec\u77e5\u9053\u5728\u8ba1\u7b97\u673a\u5f53\u4e2d\u78c1\u76d8\u7684\u5927\u5c0f\u4e00\u822c\u90fd\u662f\u5f88\u5927\u7684，\u4f8b\u5982\u5728\u6211\u4eec\u7684Windows\u7535\u8111\u5f53\u4e2d，\u78c1\u76d8\u7684\u5927\u5c0f\u4e00\u822c\u90fd\u662f512GB\u6216\u80051TB，\u90a3\u4e48\u8fd9\u65f6\u4e00\u822c\u5c31\u4f1a\u5bf9\u4e00\u6574\u5757\u7684\u78c1\u76d8\u8fdb\u884c\u5206\u76d8，\u5212\u5206\u51faC\u3001D\u3001F\u2026\u2026<\/span><\/p>\n

\"\"<\/p>\n

\u5728Windows\u5f53\u4e2d\u8fdb\u884c\u5206\u76d8\u7684\u4e0a\u5c31\u662f\u5bf9\u78c1\u76d8\u8fdb\u884c\u5206\u533a，\u672c\u8d28\u4e0a\u5c31\u662f\u5bf9\u78c1\u76d8\u8fdb\u884c\u683c\u5f0f\u5316\u3002\u4f46\u662f\u5728LInux\u5f53\u4e2d\u8bbe\u5907\u90fd\u662f\u4ee5\u6587\u4ef6\u7684，\u90a3\u4e48\u8fd9\u65f6\u5728Linux\u5f53\u4e2d\u53c8\u662f\u5982\u4f55\u8fdb\u884c\u5206\u533a\u7684\u5462？<\/span><\/p>\n

\u5b9e\u9645\u4e0a\u5728Linux\u5f53\u4e2d\u5c31\u53ef\u4ee5\u6309\u7167\u6bcf\u4e2a\u67f1\u9762\u6765\u8fdb\u884c\u5206\u533a，\u672c\u8d28\u4e0a\u5c31\u662f\u8bbe\u7f6e\u6bcf\u4e2a\u5206\u533a\u7684\u8d77\u59cb\u67f1\u9762\u548c\u7ed3\u675f\u67f1\u9762\u53f7\u3002<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u00a0\u5c06\u78c1\u76d8\u5f53\u4e2d\u7684\u8fdb\u884c\u5206\u533a\u4e4b\u540e\u5c31\u5c31\u53ef\u4ee5\u4f7f\u5f97\u539f\u672c\u8981\u76f4\u63a5\u7ba1\u7406\u4e00\u5757\u975e\u5e38\u5927\u7684\u7a7a\u95f4\u8f6c\u4e3a\u5bf9\u4e00\u5757\u5757\u5206\u533a\u7684\u7ba1\u7406，\u8fd9\u6837\u6548\u7387\u5c31\u9ad8\u591a\u4e86\u3002<\/span><\/p>\n

\"\"<\/p>\n

\u00a0<\/p>\n<\/p>\n

<\/h4>\n

3. \u6587\u4ef6\u7cfb\u7edf<\/span><\/h2>\n

\u4ee5\u4e0a\u5df2\u7ecf\u4e86\u89e3\u4e86\u6587\u4ef6\u7cfb\u7edf\u5f53\u4e2d\u4e00\u4e9b\u57fa\u672c\u7684\u6982\u5ff5，\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u5f00\u59cb\u8be6\u7ec6\u7684\u4e86\u89e3\u6587\u4ef6\u7cfb\u7edf\u7684\u76f8\u5173\u77e5\u8bc6\u4e86\u3002\u5728\u6b64\u6211\u4eec\u4ee5\u4e0b\u4e86\u89e3\u7684\u5176\u5b9e\u662fLinux\u5f53\u4e2d\u7684ext2\u6587\u4ef6\u7cfb\u7edf，\u8be5\u7cfb\u7edf\u662fLinux\u65e9\u671f\u5e7f\u6cdb\u4f7f\u7528\u7684\u975e\u65e5\u5fd7\u6587\u4ef6\u7cfb\u7edf\u3002\u5176\u5b9e\u9664\u4e86ext2\u5728Linux\u5f53\u4e2d\u8fd8\u5b58\u5728ext3\u548cext4\u6587\u4ef6\u7cfb\u7edf，\u4f46ext3\u548cext4\u672c\u8d28\u4e0a\u662f\u5bf9\u57fa\u4e8eext2\u7684\u589e\u5f3a\u7248，\u5176\u6838\u5fc3\u7684\u8bbe\u8ba1\u662f\u6ca1\u6709\u6539\u53d8\u7684，\u56e0\u6b64\u6211\u4eec\u53ea\u9700\u8981\u4e86\u89e3ext2\u5373\u53ef\u3002<\/span><\/p>\n

3.1 \u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406\u65b9\u5f0f<\/span><\/h3>\n

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\u00a0<\/p>\n

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\"\"<\/p>\n

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\u63a5\u4e0b\u6765\u5148\u6765\u770b\u4ee5\u4e0b\u7684\u4ee3\u7801：<\/span><\/p>\n

#include <stdio.h>
\n#include <string.h>
\n#include <stdlib.h>
\n#include <dirent.h>
\n#include <sys\/types.h>
\n#include <unistd.h>
\nint main(int argc, char *argv[])
\n{
\n if (argc != 2)
\n {
\n fprintf(stderr, "Usage: %s <directory>\\\\n", argv[0]);
\n exit(EXIT_FAILURE);
\n }
\n DIR *dir = opendir(argv[1]);
\n if (!dir)
\n {
\n perror("opendir");
\n exit(EXIT_FAILURE);
\n }
\n struct dirent *entry;
\n while ((entry = readdir(dir)) != NULL)
\n {
\n\/\/ Skip the "." and ".." directory entries
\n if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..")== 0)
\n {
\n continue;
\n }
\n printf("Filename: %s, Inode: %lu\\\\n", entry->d_name, (unsigned long)entry->d_ino);
\n }
\n closedir(dir);
\nreturn 0;
\n} <\/p>\n

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\"\"<\/span><\/p>\n

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\"\"<\/p>\n

\u00a0<\/p>\n

\"\"<\/p>\n

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\"\"<\/p>\n

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struct dentry {
\natomic_t d_count;
\nunsigned int d_flags; \/* protected by d_lock *\/
\nspinlock_t d_lock; \/* per dentry lock *\/
\nstruct inode *d_inode; \/* Where the name belongs to – NULL is
\n* negative *\/
\n\/*
\n* The next three fields are touched by __d_lookup. Place them here
\n* so they all fit in a cache line.
\n*\/
\nstruct hlist_node d_hash; \/* lookup hash list *\/
\nstruct dentry *d_parent; \/* parent directory *\/
\nstruct qstr d_name;
\nstruct list_head d_lru; \/* LRU list *\/
\n\/*
\n* d_child and d_rcu can share memory
\n*\/
\nunion {
\nstruct list_head d_child; \/* child of parent list *\/
\nstruct rcu_head d_rcu;
\n} d_u;
\nstruct list_head d_subdirs; \/* our children *\/
\nstruct list_head d_alias; \/* inode alias list *\/
\nunsigned long d_time; \/* used by d_revalidate *\/
\nstruct dentry_operations *d_op;
\nstruct super_block *d_sb; \/* The root of the dentry tree *\/
\nvoid *d_fsdata; \/* fs-specific data *\/
\n#ifdef CONFIG_PROFILING
\nstruct dcookie_struct *d_cookie; \/* cookie, if any *\/
\n#endif
\nint d_mounted;
\nunsigned char d_iname[DNAME_INLINE_LEN_MIN]; \/* small names *\/
\n}<\/p>\n

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<\/h5>\n

\u5206\u533a\u6302\u8f7d<\/span><\/h4>\n

\u5728\u6b64\u6709\u4e00\u4e2a\u95ee\u9898\u9700\u8981\u6211\u4eec\u8fdb\u884c\u601d\u8003，\u90a3\u5c31\u662f\u5728Linux\u5f53\u4e2dinode\u662f\u4e0d\u80fd\u8de8\u5206\u533a\u7684，\u90a3\u4e48\u5f53\u5f97\u5230\u4e00\u4e2ainode\u7f16\u53f7\u7684\u65f6\u5019\u600e\u4e48\u77e5\u9053\u662f\u5728\u54ea\u4e00\u4e2a\u5206\u533a\u7684\u5462？<\/span><\/p>\n

\u5728Linux\u5f53\u4e2d\u4e3a\u4e86\u89e3\u51b3\u4ee5\u4e0a\u7684\u95ee\u9898\u5c31\u5f15\u5165\u7684\u5206\u533a\u6302\u8f7d\u7684\u6982\u5ff5<\/span><\/p>\n

\u9996\u5148\u6765\u770b\u4ee5\u4e0b\u7684\u5b9e\u9a8c<\/span><\/p>\n

\"\"<\/p>\n

\u9996\u5148\u5236\u4f5c\u4e00\u4e2a\u5927\u7684\u78c1\u76d8\u5757，\u5c06\u5176\u5f53\u4e2d\u78c1\u76d8\u7684\u4e00\u5757\u5206\u533a<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u4e4b\u540e\u683c\u5f0f\u5316\u5199\u5165\u6587\u4ef6\u7cfb\u7edf<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u76ee\u5f55<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u4e4b\u540e\u5c06\u4e4b\u524d\u521b\u5efa\u7684\u5206\u533a\u6302\u8f7d\u5230\u6307\u5b9a\u7684\u76ee\u5f55\u5f53\u4e2d<\/span><\/p>\n

\u6b64\u5728\u5f53\u524d\u7684\u76ee\u5f55\u4e0b\u5c31\u521b\u5efa\u51fa\u4e86\u4e00\u4e2amydisk\u7684\u76ee\u5f55，\u63a5\u4e0b\u6765\u53ea\u8981\u662f\u5728\u8be5\u76ee\u5f55\u5f53\u4e2d\u521b\u5efa\u6587\u4ef6\u5c31\u4f1a\u5b58\u50a8\u5728\u6302\u8f7d\u7684\u5206\u533a\u4e0a<\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u4ee5\u4e0a\u521b\u5efa\u51fa\u65b0\u7684\u5206\u533a\u4e4b\u540e\u82e5\u8981\u8fdb\u884c\u5378\u8f7d\u4f7f\u7528\u4ee5\u4e0b\u7684\u6307\u4ee4<\/span><\/p>\n

\"\"<\/p>\n<\/p>\n

\u56e0\u6b64\u5206\u533a\u5199\u5165\u6587\u4ef6\u7cfb\u7edf，\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528，\u9700\u8981\u548c\u6307\u5b9a\u7684\u76ee\u5f55\u5173\u8054，\u8fdb\u884c\u6302\u8f7d\u624d\u80fd\u4f7f\u7528\u3002<\/span> \u6709\u4e86\u5206\u533a\u6302\u8f7d\u4e4b\u540e\u5f53\u5bf9\u4e8e\u4e00\u4e2a\u6587\u4ef6\u5c31\u53ef\u4ee5\u6839\u636e\u5f53\u524d\u6587\u4ef6\u7684\u8def\u5f84\u524d\u7f00\u6765\u5224\u65ad\u5f53\u524d\u662f\u5904\u4e8e\u54ea\u4e00\u4e2a\u5206\u533a<\/span><\/p>\n<\/p>\n

\u603b\u7ed3<\/span><\/h4>\n

\u901a\u8fc7\u4ee5\u4e0b\u7684\u51e0\u5f20\u6587\u4ef6\u7cfb\u7edf\u7684\u56fe\u5c31\u80fd\u8ba9\u6211\u4eec\u5c06\u4ee5\u4e0a\u7684\u77e5\u8bc6\u4e32\u8d77\u6765<\/span><\/p>\n

\"\"<\/p>\n<\/p>\n

\"\"<\/p>\n<\/p>\n

<\/h4>\n

4. \u8f6f\u786c\u94fe\u63a5<\/span>\u00a0<\/h2>\n

\u4ee5\u4e0a\u5728\u4e86\u89e3\u4e86\u6587\u4ef6\u7cfb\u7edf\u7684\u76f8\u5173\u77e5\u8bc6\u4e4b\u540e\u63a5\u4e0b\u6765\u518d\u6765\u4e86\u89e3\u8f6f\u786c\u94fe\u63a5\u7684\u6982\u5ff5<\/span><\/p>\n

4.1 \u8f6f\u94fe\u63a5<\/span><\/h3>\n

\u5728Linux\u5f53\u4e2d\u5f53\u8981\u901a\u8fc7\u4e00\u4e2a\u6587\u4ef6\u6765\u6253\u5f00\u53e6\u5916\u7684\u4e00\u4e2a\u6587\u4ef6\u5c31\u53ef\u4ee5\u4f7f\u7528\u5230\u8f6f\u94fe\u63a5<\/span><\/p>\n

\u4f7f\u7528\u65b9\u6cd5：<\/span><\/p>\n

ln -s \u76ee\u6807\u6587\u4ef6 \u94fe\u63a5\u6587\u4ef6 <\/p>\n

\u4f8b\u5982\u4ee5\u4e0b\u793a\u4f8b：<\/span> \"\"<\/p>\n

\u4ee5\u4e0a\u521b\u5efatest.soft\u6765\u94fe\u63a5test.c\u6587\u4ef6，\u5728\u6b64\u5c31\u53ef\u4ee5\u53d1\u73b0\u8fd9\u4e24\u4e2a\u6587\u4ef6\u7684inode\u662f\u4e0d\u4e00\u6837\u7684<\/p>\n

\"\"\u00a0\u5728\u6b64\u5f53\u6211\u4eec\u5bf9test.soft\u8fdb\u884c\u4efb\u4f55\u7684\u64cd\u4f5c\u65f6\u7528\u6765\u7684test.c\u5185\u5bb9\u4e5f\u4f1a\u6539\u53d8，\u56e0\u6b64\u8f6f\u94fe\u63a5\u5c31\u53ef\u4ee5\u770b\u505a\u662fWindows\u5f53\u4e2d\u7684\u5feb\u6377\u65b9\u5f0f\u00a0\u3002<\/span><\/p>\n

\u5728\u8f6f\u8fde\u63a5\u6587\u4ef6\u5f53\u4e2d\u7684\u5185\u5bb9\u5176\u5b9e\u5b58\u50a8\u7684\u5c31\u662f\u94fe\u63a5\u6587\u4ef6\u7684\u8def\u5f84\u3002\u5f53\u51fa\u73b0\u5f53\u524d\u8def\u5f84\u4e0b\u9700\u8981\u4f7f\u7528\u7684\u6587\u4ef6\u548c\u5f53\u524d\u8def\u5f84\u8f83\u4e3a\u8fdc\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528\u8f6f\u8fde\u63a5\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u5feb\u901f\u7684\u5b9a\u4f4d\u5230\u76ee\u6807\u6587\u4ef6\u3002<\/span><\/p>\n<\/p>\n

4.2 \u786c\u94fe\u63a5<\/span>\u00a0<\/h3>\n

\u4ee5\u4e0a\u6211\u4eec\u77e5\u9053\u4e86\u5728\u78c1\u76d8\u5f53\u4e2d\u771f\u6b63\u7528\u4e8e\u8868\u793a\u4e0d\u540c\u7684\u6587\u4ef6\u7684\u662finode\u800c\u4e0d\u662f\u6587\u4ef6\u540d，\u90a3\u4e48\u8fd9\u5c31\u53ef\u4ee5\u4f7f\u5f97\u591a\u4e2a\u4e0d\u540c\u6587\u4ef6\u540d\u7684\u6587\u4ef6\u5bf9\u4e8e\u540c\u4e00\u4e2ainode\u3002\u5728\u6b64\u5c31\u53ef\u4ee5\u4f7f\u7528\u5230\u786c\u94fe\u63a5\u3002<\/span><\/p>\n

\u4f7f\u7528\u65b9\u6cd5：<\/span><\/p>\n

ln \u76ee\u6807\u6587\u4ef6 \u94fe\u63a5\u6587\u4ef6 <\/p>\n

\u4f8b\u5982\u4ee5\u4e0b\u793a\u4f8b：<\/span>\u00a0<\/p>\n

\"\"\u00a0<\/p>\n

\u4ee5\u4e0a\u6211\u4eec\u5c31\u7ed9\u7528\u6765\u7684test.c\u521b\u5efa\u4e86\u4e00\u4e2a\u786c\u94fe\u63a5test.hard，\u6b64\u65f6\u5c31\u4f1a\u53d1\u73b0\u4ee5\u4e0a\u7684\u4e24\u4e2a\u6587\u4ef6\u7684inode\u662f\u4e00\u6837\u7684，\u8fd9\u5c31\u8bf4\u660e\u8fd9\u4e24\u4e2a\u6587\u4ef6\u672c\u8d28\u4e0a\u662f\u540c\u4e00\u4e2a\u6587\u4ef6\u3002\u4e5f\u5c31\u662f\u8bf4\u786c\u94fe\u63a5\u672c\u8d28\u4e0a\u662f\u7ed9\u76ee\u6807\u6587\u4ef6\u8d77\u522b\u540d\u3002<\/span><\/p>\n

\u786c\u94fe\u63a5\u5c31\u662f\u7ed9\u5bf9\u5e94\u7684inode\u518d\u521b\u5efa\u4e86\u4e00\u7ec4<\/span>\u6587\u4ef6\u540d\u548cinode\u7684\u6620\u5c04\u5173\u7cfb<\/span>\u3002\u56e0\u6b64\u786c\u94fe\u63a5\u53ef\u4ee5\u8d77\u5230\u6587\u4ef6\u5907\u4efd\u7684\u4f5c\u7528\u3002<\/span><\/p>\n

\u4ee5\u4e0a\u5728\u7ed9test.c\u521b\u5efa\u786c\u94fe\u63a5\u4e4b\u540e\u5c31\u4f1a\u53d1\u73b0\u4ee5\u4e0atest.c\u548c\u786c\u94fe\u63a5\u6587\u4ef6test.hard\u6743\u9650\u4e4b\u540e\u7684\u6570\u503c\u53d8\u4e3a\u4e862，\u90a3\u4e48\u4e3a\u4ec0\u4e48\u5728\u4e4b\u524d\u8fdb\u884c\u8f6f\u8fde\u63a5\u7684\u65f6\u5019\u6ca1\u6709\u51fa\u73b0\u8fd9\u6837\u7684\u73b0\u8c61\u5462？\u8fd9\u65f6\u8be5\u6570\u5b57\u8868\u793a\u7684\u662f\u4ec0\u4e48\u5462？<\/span><\/p>\n

\u5176\u5b9e\u8be5\u6570\u5b57\u8868\u793a\u7684\u5c31\u662f\u6587\u4ef6\u540d\u5bf9\u5e94inode\u6620\u5c04\u7684\u6587\u4ef6\u540d\u7684\u4e2a\u6570，\u7531\u4e8e\u8f6f\u8fde\u63a5\u7684\u6587\u4ef6\u7684inode\u662f\u548c\u76ee\u6807\u6587\u4ef6\u7684inode\u4e0d\u4e00\u6837\u7684，\u8fd9\u5c31\u4e0d\u4f1a\u4f7f\u5f97\u76ee\u6807\u6587\u4ef6\u7684\u786c\u94fe\u63a5\u6570\u589e\u52a0\u3002<\/span><\/p>\n

\u6b64\u65f6\u4f1a\u53d1\u73b0\u4e00\u4e2a\u5947\u602a\u7684\u70b9\u5c31\u662f\u5728\u5f53\u524d\u8def\u5f84\u4e0b\u62bd\u5956\u4e00\u4e2a\u76ee\u5f55\u65f6，\u8be5\u547d\u4ee4\u7684\u786c\u94fe\u63a5\u6570\u9ed8\u8ba4\u5c31\u662f2，\u8fd9\u53c8\u662f\u4e3a\u4ec0\u4e48\u5462？<\/span><\/p>\n

\u5176\u5b9e\u8fdb\u5165\u5230\u65b0\u521b\u5efa\u7684\u76ee\u5f55\u4e0b\u4f7f\u7528ls\u6307\u4ee4\u5c31\u53ef\u4ee5\u53d1\u73b0\u7528\u6765\u7684.\u5176\u5b9e\u5c31\u662f\u521b\u5efa\u76ee\u5f55\u7684\u786c\u94fe\u63a5\u76ee\u5f55<\/span><\/p>\n

\"\"<\/p>\n

\u00a0<\/p>\n

\u00a0\u5b9e\u9645\u4e0a\u76ee\u5f55\u5f53\u4e2d\u7684.\u548c..\u90fd\u662f\u76ee\u5f55\u7684\u786c\u94fe\u63a5\u6587\u4ef6，\u4f46\u662f\u5728<\/span>Linux\u5f53\u4e2d\u53ea\u6709\u64cd\u4f5c\u7cfb\u7edf\u80fd\u8fdb\u884c\u76ee\u5f55\u7684\u786c\u94fe\u63a5，\u800c\u7528\u6237\u662f\u65e0\u6cd5\u8fdb\u884c\u7684<\/span>，\u8fd9\u662f\u56e0\u4e3a\u5982\u679c\u7528\u6237\u80fd\u968f\u610f\u7684\u8fdb\u884c\u76ee\u5f55\u7684\u94fe\u63a5，\u90a3\u4e48\u8fd9\u65f6\u5728\u7cfb\u7edf\u5f53\u4e2d\u5c31\u4f1a\u5f88\u4efb\u610f\u7684\u5f62\u6210<\/span>\u8def\u5f84\u73af\u7684\u95ee\u9898<\/span>\u3002<\/span><\/p>\n

\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

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