{"id":51625,"date":"2024-12-03T17:18:16","date_gmt":"2024-12-03T09:18:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51625\/"},"modified":"2024-12-03T17:18:16","modified_gmt":"2024-12-03T09:18:16","slug":"%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3linux%e4%b8%adi%e8%8a%82%e7%82%b9%e7%b4%a2%e5%bc%95%e5%8f%b7%e7%9a%84%e6%84%8f%e4%b9%89%e5%92%8c%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51625\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3Linux\u4e2di\u8282\u70b9\u7d22\u5f15\u53f7\u7684\u610f\u4e49\u548c\u7279\u6027"},"content":{"rendered":"

<\/b> <\/p>\n

\u6df1\u5165\u4e86\u89e3Linux\u4e2di\u8282\u70b9\u7d22\u5f15\u53f7\u7684\u610f\u4e49\u548c\u7279\u6027<\/h1>\n

\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n

i\u8282\u70b9\uff08inode\uff09\u662fLinux\u6587\u4ef6\u7cfb\u7edf\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7528\u6765\u5b58\u50a8\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u90fd\u5bf9\u5e94\u4e00\u4e2a\u552f\u4e00\u7684i\u8282\u70b9\uff0c\u901a\u8fc7i\u8282\u70b9\u53ef\u4ee5\u5b9a\u4f4d\u548c\u7ba1\u7406\u6587\u4ef6\u6570\u636e\u7684\u5b58\u50a8\u4f4d\u7f6e\u548c\u5c5e\u6027\u3002<\/p>\n

1. i\u8282\u70b9\u7684\u542b\u4e49\u548c\u4f5c\u7528<\/h3>\n

i\u8282\u70b9\u5b9e\u9645\u4e0a\u662f\u7d22\u5f15\u8282\u70b9\uff08index node\uff09\u7684\u7f29\u5199\uff0c\u5b83\u4fdd\u5b58\u4e86\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\u3001\u6240\u6709\u8005\u3001\u5927\u5c0f\u3001\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u4ee5\u53ca\u5b9e\u9645\u6570\u636e\u5b58\u50a8\u5728\u78c1\u76d8\u7684\u4f4d\u7f6e\u7b49\u4fe1\u606f\u3002\u5f53\u6211\u4eec\u521b\u5efa\u6587\u4ef6\u6216\u76ee\u5f55\u65f6\uff0c\u7cfb\u7edf\u4f1a\u5206\u914d\u4e00\u4e2a\u65b0\u7684i\u8282\u70b9\uff0c\u5e76\u5c06\u6587\u4ef6\u7684\u5143\u6570\u636e\u4fe1\u606f\u4fdd\u5b58\u5728\u8be5i\u8282\u70b9\u4e2d\uff0c\u800c\u6587\u4ef6\u7684\u6570\u636e\u5219\u5b58\u50a8\u5728\u78c1\u76d8\u7684\u6570\u636e\u5757\u4e2d\u3002<\/p>\n

2. i\u8282\u70b9\u7684\u7279\u70b9<\/h3>\n

\uff081\uff09i\u8282\u70b9\u53f7\u662f\u6587\u4ef6\u7cfb\u7edf\u5185\u90e8\u7684\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u4e0d\u540c\u7684\u6587\u4ef6\u6216\u76ee\u5f55\u3002\u5728Ext2\u3001Ext3\u548cExt4\u7b49\u5e38\u89c1\u7684Linux\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2ai\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7f16\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7i\u8282\u70b9\u53f7\u6765\u67e5\u627e\u6587\u4ef6\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002<\/p>\n

\uff082\uff09i\u8282\u70b9\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u5e38\u662f128\u5b57\u8282\u6216256\u5b57\u8282\uff0c\u5305\u542b\u4e86\u6587\u4ef6\u7684\u5404\u79cd\u5c5e\u6027\u4fe1\u606f\u3002\u7531\u4e8ei\u8282\u70b9\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u56e0\u6b64\u7cfb\u7edf\u9700\u8981\u5728\u521b\u5efa\u6587\u4ef6\u65f6\u5c31\u5206\u914d\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684i\u8282\u70b9\u6765\u5b58\u50a8\u6587\u4ef6\u7684\u5143\u6570\u636e\u3002<\/p>\n

3. \u4f7f\u7528\u4ee3\u7801\u793a\u4f8b\u63a2\u7a76i\u8282\u70b9\u53f7<\/h3>\n

\u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u83b7\u53d6\u6587\u4ef6\u7684i\u8282\u70b9\u53f7\uff0c\u5e76\u5229\u7528i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\uff1a<\/p>\n

#!\/bin\/bash\n\nfilename=\"example.txt\"\n\n# \u83b7\u53d6\u6587\u4ef6\u7684i\u8282\u70b9\u53f7\ninode=$(ls -i $filename | cut -d ' ' -f 1)\n\necho \"\u6587\u4ef6 $filename \u7684i\u8282\u70b9\u53f7\u662f: $inode\"\n\n# \u4f7f\u7528i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\nstat \/proc\/$$\/fd\/0 --printf=\"\u6587\u4ef6\u6240\u5c5e\u7528\u6237\uff1a%U\n\u6587\u4ef6\u5927\u5c0f\uff1a%s bytes\n\u4e0a\u6b21\u4fee\u6539\u65f6\u95f4\uff1a%y\n\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\uff1a%x\n\"\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u83b7\u53d6\u4e86\u6587\u4ef6”example.txt”\u7684i\u8282\u70b9\u53f7\uff0c\u7136\u540e\u4f7f\u7528stat<\/code>\u547d\u4ee4\u901a\u8fc7i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\u3002\u5176\u4e2d\uff0c%U<\/code>\u8868\u793a\u6587\u4ef6\u6240\u5c5e\u7528\u6237\uff0c%s<\/code>\u8868\u793a\u6587\u4ef6\u5927\u5c0f\uff0c%y<\/code>\u8868\u793a\u4e0a\u6b21\u4fee\u6539\u65f6\u95f4\uff0c%x<\/code>\u8868\u793a\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\u3002<\/p>\n
\u7ed3\u8bed<\/h3>\n
\u901a\u8fc7\u672c\u6587\u7684\u63a2\u7a76\uff0c\u6211\u4eec\u4e86\u89e3\u4e86Linux\u4e2di\u8282\u70b9\u53f7\u7684\u542b\u4e49\u548c\u7279\u70b9\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u6765\u83b7\u53d6\u548c\u5229\u7528\u6587\u4ef6\u7684i\u8282\u70b9\u53f7\u3002i\u8282\u70b9\u5728\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u662f\u6587\u4ef6\u7ba1\u7406\u548c\u6570\u636e\u8bbf\u95ee\u7684\u57fa\u7840\u4e4b\u4e00\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7406\u89e3i\u8282\u70b9\u7684\u6982\u5ff5\u548c\u4f7f\u7528\u65b9\u6cd5\u53ef\u4ee5\u66f4\u597d\u5730\u8fdb\u884c\u6587\u4ef6\u7cfb\u7edf\u7684\u7ba1\u7406\u548c\u4f18\u5316\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u6df1\u5165\u4e86\u89e3Linux\u4e2di\u8282\u70b9\u7d22\u5f15\u53f7\u7684\u610f\u4e49\u548c\u7279\u6027\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,\u7279\u70b9,i\u8282\u70b9\u53f7\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\n
<\/dt>\n
\n   \u9010\u6b65\u6307\u5bfc\uff1a\u4f7f\u7528dedecms\u589e\u52a0\u7f51\u7ad9\u680f\u76ee\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u6df1\u5165\u4e86\u89e3Linux\u4e2di\u8282\u70b9\u7d22\u5f15\u53f7\u7684\u610f\u4e49\u548c\u7279\u6027 \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 i\u8282\u70b9\uff08inode\uff09\u662fLinux\u6587\u4ef6\u7cfb\u7edf\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7528\u6765\u5b58\u50a8\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002\u5728\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u90fd\u5bf9\u5e94\u4e00\u4e2a\u552f\u4e00\u7684i\u8282\u70b9\uff0c\u901a\u8fc7i\u8282\u70b9\u53ef\u4ee5\u5b9a\u4f4d\u548c\u7ba1\u7406\u6587\u4ef6\u6570\u636e\u7684\u5b58\u50a8\u4f4d\u7f6e\u548c\u5c5e\u6027\u3002 1. i\u8282\u70b9\u7684\u542b\u4e49\u548c\u4f5c\u7528 i\u8282\u70b9\u5b9e\u9645\u4e0a\u662f\u7d22\u5f15\u8282\u70b9\uff08index node\uff09\u7684\u7f29\u5199\uff0c\u5b83\u4fdd\u5b58\u4e86\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6743\u9650\u3001\u6240\u6709\u8005\u3001\u5927\u5c0f\u3001\u521b\u5efa\u65f6\u95f4\u3001\u4fee\u6539\u65f6\u95f4\u4ee5\u53ca\u5b9e\u9645\u6570\u636e\u5b58\u50a8\u5728\u78c1\u76d8\u7684\u4f4d\u7f6e\u7b49\u4fe1\u606f\u3002\u5f53\u6211\u4eec\u521b\u5efa\u6587\u4ef6\u6216\u76ee\u5f55\u65f6\uff0c\u7cfb\u7edf\u4f1a\u5206\u914d\u4e00\u4e2a\u65b0\u7684i\u8282\u70b9\uff0c\u5e76\u5c06\u6587\u4ef6\u7684\u5143\u6570\u636e\u4fe1\u606f\u4fdd\u5b58\u5728\u8be5i\u8282\u70b9\u4e2d\uff0c\u800c\u6587\u4ef6\u7684\u6570\u636e\u5219\u5b58\u50a8\u5728\u78c1\u76d8\u7684\u6570\u636e\u5757\u4e2d\u3002 2. i\u8282\u70b9\u7684\u7279\u70b9 \uff081\uff09i\u8282\u70b9\u53f7\u662f\u6587\u4ef6\u7cfb\u7edf\u5185\u90e8\u7684\u6807\u8bc6\u7b26\uff0c\u7528\u4e8e\u552f\u4e00\u6807\u8bc6\u4e0d\u540c\u7684\u6587\u4ef6\u6216\u76ee\u5f55\u3002\u5728Ext2\u3001Ext3\u548cExt4\u7b49\u5e38\u89c1\u7684Linux\u6587\u4ef6\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2ai\u8282\u70b9\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u7f16\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7i\u8282\u70b9\u53f7\u6765\u67e5\u627e\u6587\u4ef6\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002 \uff082\uff09i\u8282\u70b9\u662f\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u5e38\u662f128\u5b57\u8282\u6216256\u5b57\u8282\uff0c\u5305\u542b\u4e86\u6587\u4ef6\u7684\u5404\u79cd\u5c5e\u6027\u4fe1\u606f\u3002\u7531\u4e8ei\u8282\u70b9\u7684\u5927\u5c0f\u662f\u56fa\u5b9a\u7684\uff0c\u56e0\u6b64\u7cfb\u7edf\u9700\u8981\u5728\u521b\u5efa\u6587\u4ef6\u65f6\u5c31\u5206\u914d\u4e00\u4e2a\u56fa\u5b9a\u5927\u5c0f\u7684i\u8282\u70b9\u6765\u5b58\u50a8\u6587\u4ef6\u7684\u5143\u6570\u636e\u3002 3. \u4f7f\u7528\u4ee3\u7801\u793a\u4f8b\u63a2\u7a76i\u8282\u70b9\u53f7 \u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u83b7\u53d6\u6587\u4ef6\u7684i\u8282\u70b9\u53f7\uff0c\u5e76\u5229\u7528i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\uff1a #!\/bin\/bash filename=”example.txt” # \u83b7\u53d6\u6587\u4ef6\u7684i\u8282\u70b9\u53f7 inode=$(ls -i $filename | cut -d ‘ ‘ -f 1) echo “\u6587\u4ef6 $filename \u7684i\u8282\u70b9\u53f7\u662f: $inode” # \u4f7f\u7528i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f stat \/proc\/$$\/fd\/0 –printf=”\u6587\u4ef6\u6240\u5c5e\u7528\u6237\uff1a%U \u6587\u4ef6\u5927\u5c0f\uff1a%s bytes \u4e0a\u6b21\u4fee\u6539\u65f6\u95f4\uff1a%y \u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\uff1a%x ” \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u83b7\u53d6\u4e86\u6587\u4ef6”example.txt”\u7684i\u8282\u70b9\u53f7\uff0c\u7136\u540e\u4f7f\u7528stat\u547d\u4ee4\u901a\u8fc7i\u8282\u70b9\u53f7\u67e5\u8be2\u6587\u4ef6\u7684\u5c5e\u6027\u4fe1\u606f\u3002\u5176\u4e2d\uff0c%U\u8868\u793a\u6587\u4ef6\u6240\u5c5e\u7528\u6237\uff0c%s\u8868\u793a\u6587\u4ef6\u5927\u5c0f\uff0c%y\u8868\u793a\u4e0a\u6b21\u4fee\u6539\u65f6\u95f4\uff0c%x\u8868\u793a\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\u3002 \u7ed3\u8bed \u901a\u8fc7\u672c\u6587\u7684\u63a2\u7a76\uff0c\u6211\u4eec\u4e86\u89e3\u4e86Linux\u4e2di\u8282\u70b9\u53f7\u7684\u542b\u4e49\u548c\u7279\u70b9\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u6765\u83b7\u53d6\u548c\u5229\u7528\u6587\u4ef6\u7684i\u8282\u70b9\u53f7\u3002i\u8282\u70b9\u5728\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u662f\u6587\u4ef6\u7ba1\u7406\u548c\u6570\u636e\u8bbf\u95ee\u7684\u57fa\u7840\u4e4b\u4e00\u3002\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7406\u89e3i\u8282\u70b9\u7684\u6982\u5ff5\u548c\u4f7f\u7528\u65b9\u6cd5\u53ef\u4ee5\u66f4\u597d\u5730\u8fdb\u884c\u6587\u4ef6\u7cfb\u7edf\u7684\u7ba1\u7406\u548c\u4f18\u5316\u3002 \u4eca\u5929\u5173\u4e8e\u300a\u6df1\u5165\u4e86\u89e3Linux\u4e2di\u8282\u70b9\u7d22\u5f15\u53f7\u7684\u610f\u4e49\u548c\u7279\u6027\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,\u7279\u70b9,i\u8282\u70b9\u53f7\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01 \u9010\u6b65\u6307\u5bfc\uff1a\u4f7f\u7528dedecms\u589e\u52a0\u7f51\u7ad9\u680f\u76ee<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51625","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51625","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51625"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51625\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}