{"id":1329,"date":"2026-10-25T06:00:00","date_gmt":"2026-10-24T21:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1329"},"modified":"2026-10-23T03:47:57","modified_gmt":"2026-10-22T18:47:57","slug":"qs-fallocate-hole-zero-range-20261023","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1329","title":{"rendered":"\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u540c\u30580\u304c\u8aad\u3081\u3066\u3082\u3001\u7a74\u3068\u78ba\u4fdd\u6e08\u307f\u9818\u57df\u306f\u9055\u3046"},"content":{"rendered":"<p>\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u5206\u3092\u8aad\u3080\u3068\u3001\u5168\u30660\u3060\u3063\u305f\u3002\u305d\u306e\u7bc4\u56f2\u306f\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u3082\u540c\u3058\u3088\u3046\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002Linux\u306e<strong>fallocate<\/strong>\u306b\u306f\u3001\u9818\u57df\u3092\u89e3\u653e\u3057\u3066\u7a74\u3092\u4f5c\u308b\u64cd\u4f5c\u3068\u3001\u9818\u57df\u3092\u78ba\u4fdd\u3057\u306a\u304c\u30890\u3068\u3057\u3066\u8aad\u3081\u308b\u72b6\u614b\u306b\u3059\u308b\u64cd\u4f5c\u304c\u3042\u308a\u307e\u3059\u3002\u8aad\u307f\u53d6\u308c\u308b\u5185\u5bb9\u304c\u540c\u3058\u3067\u3082\u3001\u9818\u57df\u306e\u6271\u3044\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306fPUNCH_HOLE\u3068ZERO_RANGE\u3092\u6bd4\u3079\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u5bfe\u5fdc\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u64cd\u4f5c\u304c\u6210\u529f\u3057\u305f\u5834\u5408\u3092\u524d\u63d0\u306b\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9577\u3055\u3001\u8aad\u307f\u53d6\u308c\u308b\u30d0\u30a4\u30c8\u3001\u9818\u57df\u306e\u5272\u5f53\u3066\u3092\u5225\u3005\u306b\u8ffd\u3044\u307e\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>PUNCH_HOLE\u306f\u6307\u5b9a\u7bc4\u56f2\u306b\u7a74\u3092\u4f5c\u308a\u3001\u7bc4\u56f2\u5185\u306e\u5b8c\u5168\u306a\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30d6\u30ed\u30c3\u30af\u3092\u89e3\u653e\u3057\u307e\u3059\u3002KEEP_SIZE\u3068\u306e\u4f75\u7528\u304c\u5fc5\u9808\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9577\u3055\u306f\u4fdd\u3061\u307e\u3059\u3002<\/li>\n<li>ZERO_RANGE\u3067\u3082\u305d\u306e\u7bc4\u56f2\u3092\u8aad\u3080\u30680\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u7a74\u306b\u304b\u304b\u308b\u9818\u57df\u306f\u4e8b\u524d\u78ba\u4fdd\u3055\u308c\u307e\u3059\u30020\u304c\u8aad\u3081\u308b\u3053\u3068\u3060\u3051\u3067\u306f\u3001\u9818\u57df\u304c\u89e3\u653e\u3055\u308c\u305f\u3068\u306f\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<li>\u90e8\u5206\u30d6\u30ed\u30c3\u30af\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u5bfe\u5fdc\u3001\u623b\u308a\u5024\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u7a74\u306e\u691c\u51fa\u7d50\u679c\u3082\u3001\u5b9f\u969b\u306e\u5272\u5f53\u3066\u3092\u5fc5\u305a\u5b8c\u5168\u306b\u793a\u3059\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u9577\u3055\u3001\u5185\u5bb9\u3001\u5272\u5f53\u3066\u306e\u4e09\u3064\u3092\u5206\u3051\u308b<\/h2>\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u9577\u3055\u306f\u3001\u5148\u982d\u304b\u3089\u3069\u3053\u307e\u3067\u30d0\u30a4\u30c8\u3092\u8aad\u3081\u308b\u304b\u3068\u3044\u3046\u8ad6\u7406\u7684\u306a\u7bc4\u56f2\u3067\u3059\u3002\u4e00\u65b9\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u305d\u306e\u5185\u5bb9\u306e\u305f\u3081\u306b\u78ba\u4fdd\u3057\u3066\u3044\u308b\u9818\u57df\u306f\u3001\u9577\u3055\u3068\u540c\u3058\u89b3\u70b9\u306e\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7a74\u3092\u542b\u3080\u30d5\u30a1\u30a4\u30eb\u3067\u306f\u3001\u3042\u308b\u7bc4\u56f2\u304c0\u3068\u3057\u3066\u8aad\u3081\u3066\u3082\u3001\u305d\u306e\u7bc4\u56f2\u5168\u4f53\u306e\u30c7\u30fc\u30bf\u9818\u57df\u304c\u540c\u3058\u5f62\u3067\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002[1][2]<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u9577\u305516 KiB\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u592e8 KiB\u304c\u4e0d\u8981\u306b\u306a\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u672b\u5c3e\u3092\u5207\u308a\u8a70\u3081\u308b\u3068\u5f8c\u308d\u306e\u30c7\u30fc\u30bf\u307e\u3067\u8aad\u3081\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u9577\u3055\u3092\u4fdd\u3063\u305f\u307e\u307e\u4e2d\u592e\u3092\u6271\u3044\u305f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u5fc5\u8981\u306a\u306e\u304c\u3001\u4e0d\u8981\u90e8\u5206\u306e\u9818\u57df\u3092\u624b\u653e\u3057\u305f\u3044\u306e\u304b\u3001\u5f8c\u3067\u66f8\u304f\u5834\u6240\u3092\u78ba\u4fdd\u3057\u306a\u304c\u30890\u3068\u3057\u3066\u6271\u3044\u305f\u3044\u306e\u304b\u3001\u3068\u3044\u3046\u76ee\u7684\u306e\u533a\u5225\u3067\u3059\u3002<\/p>\n<h2>PUNCH_HOLE\u306f\u3001\u9577\u3055\u3092\u4fdd\u3063\u3066\u7a74\u3092\u4f5c\u308b<\/h2>\n<p>FALLOC_FL_PUNCH_HOLE\u306f\u3001\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u3067\u9818\u57df\u3092\u89e3\u653e\u3059\u308b\u64cd\u4f5c\u3067\u3059\u3002\u7bc4\u56f2\u5185\u306b\u5b8c\u5168\u306b\u542b\u307e\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30d6\u30ed\u30c3\u30af\u306f\u53d6\u308a\u9664\u304b\u308c\u3001\u5883\u754c\u306b\u304b\u304b\u308b\u90e8\u5206\u30d6\u30ed\u30c3\u30af\u306f0\u306b\u3055\u308c\u307e\u3059\u3002\u6210\u529f\u5f8c\u3001\u305d\u306e\u7bc4\u56f2\u3092\u8aad\u3080\u30680\u304c\u8fd4\u308a\u307e\u3059\u3002[1]<\/p>\n<p>\u3053\u306e\u30d5\u30e9\u30b0\u306fFALLOC_FL_KEEP_SIZE\u3068\u4e00\u7dd2\u306b\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u672b\u5c3e\u306b\u304b\u304b\u308b\u7bc4\u56f2\u3092\u6307\u5b9a\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9577\u3055\u81ea\u4f53\u3092\u7e2e\u3081\u308b\u64cd\u4f5c\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u300c\u4e2d\u592e\u306b\u7a74\u3092\u7a7a\u3051\u308b\u300d\u3053\u3068\u3068\u3001\u300c\u5f8c\u308d\u306e\u5185\u5bb9\u3092\u524d\u3078\u8a70\u3081\u308b\u300d\u3053\u3068\u3082\u7570\u306a\u308a\u307e\u3059\u3002\u5f8c\u8005\u306fCOLLAPSE_RANGE\u3068\u3044\u3046\u5225\u306e\u64cd\u4f5c\u3067\u3059\u3002<\/p>\n<h2>ZERO_RANGE\u306f\u30010\u306b\u898b\u3048\u308b\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b<\/h2>\n<p>FALLOC_FL_ZERO_RANGE\u3082\u3001\u6210\u529f\u5f8c\u306b\u6307\u5b9a\u7bc4\u56f2\u304b\u30890\u3092\u8aad\u3081\u308b\u72b6\u614b\u306b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7a74\u306b\u304b\u304b\u308b\u90e8\u5206\u306b\u3064\u3044\u3066\u306f\u9818\u57df\u3092\u4e8b\u524d\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001PUNCH_HOLE\u3068\u540c\u3058\u9818\u57df\u89e3\u653e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u53ef\u80fd\u306a\u3089\u672a\u66f8\u8fbc\u307f\u306e\u30a8\u30af\u30b9\u30c6\u30f3\u30c8\u3001\u3064\u307e\u308a\u9818\u57df\u306f\u78ba\u4fdd\u3055\u308c\u3066\u3044\u308b\u304c\u5185\u5bb9\u3092\u672a\u66f8\u8fbc\u307f\u3068\u3057\u3066\u6271\u3046\u307e\u3068\u307e\u308a\u3078\u5909\u3048\u308b\u65b9\u6cd5\u3092\u7528\u3044\u307e\u3059\u3002[1]<\/p>\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u5fc5\u305a\u3057\u3082\u5168\u30d0\u30a4\u30c8\u3078\u7269\u7406\u7684\u306a0\u306e\u66f8\u8fbc\u307f\u3092\u884c\u3046\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aad\u307f\u624b\u306b0\u3092\u8fd4\u3059\u72b6\u614b\u3092\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u7ba1\u7406\u60c5\u5831\u3067\u8868\u305b\u308b\u305f\u3081\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066ZERO_RANGE\u3092\u3001\u4fdd\u5b58\u5a92\u4f53\u306e\u904e\u53bb\u306e\u5185\u5bb9\u3092\u78ba\u5b9f\u306b\u6d88\u53bb\u3057\u305f\u8a3c\u62e0\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<figure><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-fallocate-hole-zero-range-20261023-figure-0166204ce339.png\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-fallocate-hole-zero-range-20261023-figure-0166204ce339.png\" alt=\"16KiB\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u592e8KiB\u3092\u5bfe\u8c61\u306b\u3001\u7a74\u3092\u4f5c\u308b\u5834\u5408\u3068\u672a\u66f8\u8fbc\u307f\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u5834\u5408\u3092\u6bd4\u8f03\u3002\u3069\u3061\u3089\u3082\u9577\u305516KiB\u3067\u4e2d\u592e\u304b\u30890\u3092\u8aad\u3080\u3002\" style=\"width:100%;height:auto;max-width:1080px\" \/><\/a><figcaption>\u72ec\u81ea\u306e\u6982\u5ff5\u30e2\u30c7\u30eb\u3002\u30d6\u30ed\u30c3\u30af\u30924 KiB\u3068\u4eee\u5b9a\u3057\u3001\u4e2d\u592e\u306e\u5b8c\u5168\u306a2\u30d6\u30ed\u30c3\u30af\u3092\u5bfe\u8c61\u3068\u3057\u305f\u3002\u5b9f\u6a5f\u306e\u7269\u7406\u914d\u7f6e\u3084\u524a\u6e1b\u91cf\u306e\u6e2c\u5b9a\u3067\u306f\u306a\u3044\u3002ZERO_RANGE\u306b\u3082KEEP_SIZE\u3092\u6307\u5b9a\u3057\u305f\u6bd4\u8f03\u3002<\/figcaption><\/figure>\n<p>ZERO_RANGE\u3067\u306fKEEP_SIZE\u3092\u8ffd\u52a0\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u6307\u5b9a\u305b\u305a\u3001\u5bfe\u8c61\u304c\u73fe\u5728\u306e\u672b\u5c3e\u3092\u8d85\u3048\u308b\u5834\u5408\u306f\u3001\u9577\u3055\u3082\u5909\u308f\u308a\u5f97\u307e\u3059\u3002\u56f3\u3067\u306f\u9055\u3044\u3092\u9818\u57df\u306e\u6271\u3044\u3078\u7d5e\u308b\u305f\u3081\u3001\u4e21\u65b9\u3068\u3082\u9577\u3055\u3092\u4fdd\u3064\u6761\u4ef6\u3092\u9078\u3073\u307e\u3057\u305f\u3002\u5b9f\u969b\u306e\u547c\u3073\u51fa\u3057\u3092\u6bd4\u3079\u308b\u969b\u3082\u3001\u4e3b\u3068\u306a\u308b\u30d5\u30e9\u30b0\u3060\u3051\u3067\u306a\u304f\u4f75\u7528\u3059\u308b\u30d5\u30e9\u30b0\u307e\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2>\u72ec\u81ea\u30e2\u30c7\u30eb\u3067\u306f\u3001\u540c\u30580\u3067\u3082\u4e8c\u901a\u308a\u306b\u5206\u304b\u308c\u308b<\/h2>\n<p>\u56f3\u306e\u72ec\u81ea\u4f8b\u3067\u306f\u3001\u6700\u521d\u306f4 KiB\u306e\u30d6\u30ed\u30c3\u30af\u304c\u56db\u3064\u3042\u308a\u3001\u5148\u982d\u3068\u672b\u5c3e\u306e\u5185\u5bb9\u3092\u6b8b\u3057\u307e\u3059\u3002\u4e2d\u592e\u4e8c\u3064\u3078PUNCH_HOLE\u3068KEEP_SIZE\u3092\u9069\u7528\u3057\u305f\u30e2\u30c7\u30eb\u3067\u306f\u3001\u4e2d\u592e\u306e\u30c7\u30fc\u30bf\u30d6\u30ed\u30c3\u30af\u3092\u7a74\u3068\u3057\u3066\u8868\u3057\u307e\u3059\u3002ZERO_RANGE\u3068KEEP_SIZE\u306e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u4e2d\u592e\u3082\u5272\u5f53\u3066\u3092\u7dad\u6301\u3059\u308b\u672a\u66f8\u8fbc\u307f\u9818\u57df\u3068\u3057\u3066\u8868\u3057\u307e\u3059\u3002\u8aad\u307f\u51fa\u3057\u3092\u6a21\u3057\u305f\u8a08\u7b97\u3067\u306f\u3001\u3069\u3061\u3089\u3082\u4e2d\u592e8,192\u30d0\u30a4\u30c8\u304c0\u306b\u306a\u308a\u3001\u5168\u4f53\u306e\u9577\u305516,384\u30d0\u30a4\u30c8\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u4e00\u81f4\u306f\u3001\u8aad\u307f\u51fa\u3057\u7d50\u679c\u3060\u3051\u3092\u6bd4\u8f03\u3057\u3066\u3082\u3001\u4e8c\u3064\u306e\u64cd\u4f5c\u3092\u533a\u5225\u3067\u304d\u306a\u3044\u4f8b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u30e2\u30c7\u30eb\u5185\u306e\u5272\u5f53\u3066\u6e08\u307f\u30d6\u30ed\u30c3\u30af\u306f\u3001\u524d\u8005\u304c\u4e8c\u3064\u3001\u5f8c\u8005\u304c\u56db\u3064\u3067\u3059\u3002\u3053\u308c\u306f\u8aac\u660e\u7528\u306e\u7ba1\u7406\u72b6\u614b\u3067\u3042\u308a\u3001\u5b9f\u969b\u306e\u30c7\u30a3\u30b9\u30af\u4f7f\u7528\u91cf\u304c\u5fc5\u305a\u534a\u5206\u306b\u306a\u308b\u3068\u3044\u3046\u6027\u80fd\u30fb\u5bb9\u91cf\u306e\u6e2c\u5b9a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7ba1\u7406\u60c5\u5831\u3084\u5171\u6709\u9818\u57df\u306a\u3069\u306e\u6761\u4ef6\u306f\u30e2\u30c7\u30eb\u306b\u542b\u3081\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u5bfe\u8c61\u306e\u958b\u59cb\u4f4d\u7f6e\u3084\u9577\u3055\u304c\u30d6\u30ed\u30c3\u30af\u5883\u754c\u306b\u305d\u308d\u308f\u306a\u3051\u308c\u3070\u3001\u8a71\u306f\u3055\u3089\u306b\u5909\u308f\u308a\u307e\u3059\u3002PUNCH_HOLE\u3067\u3082\u90e8\u5206\u30d6\u30ed\u30c3\u30af\u306f\u4e38\u3054\u3068\u89e3\u653e\u3059\u308b\u5bfe\u8c61\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u6307\u5b9a\u3057\u305f\u30d0\u30a4\u30c8\u6570\u3092\u305d\u306e\u307e\u307e\u89e3\u653e\u5bb9\u91cf\u3078\u8aad\u307f\u66ff\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30d6\u30ed\u30c3\u30af\u3068\u3001\u30a2\u30d7\u30ea\u304c\u8aad\u307f\u66f8\u304d\u3059\u308b\u4efb\u610f\u306e\u30d0\u30a4\u30c8\u7bc4\u56f2\u3092\u5206\u3051\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>\u7a74\u3092\u8abf\u3079\u308b\u7d50\u679c\u306b\u3082\u3001\u8aad\u307f\u65b9\u306e\u6761\u4ef6\u304c\u3042\u308b<\/h2>\n<p>lseek\u306eSEEK_DATA\u3068SEEK_HOLE\u306f\u3001\u30c7\u30fc\u30bf\u3084\u7a74\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u6b21\u306e\u4f4d\u7f6e\u3092\u63a2\u3059\u305f\u3081\u306b\u4f7f\u3048\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306a\u3069\u3067\u7a74\u3092\u4fdd\u3064\u969b\u306b\u5f79\u7acb\u3061\u307e\u3059\u304c\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u5168\u3066\u306e\u7a74\u3092\u7d30\u304b\u304f\u5831\u544a\u3059\u308b\u7fa9\u52d9\u304c\u3042\u308a\u307e\u305b\u3093\u3002SEEK_HOLE\u304c\u5e38\u306b\u672b\u5c3e\u3092\u8fd4\u3059\u3088\u3046\u306a\u5b9f\u88c5\u3082\u8a31\u3055\u308c\u308b\u305f\u3081\u3001\u3053\u308c\u3060\u3051\u3067\u5b9f\u969b\u306e\u5272\u5f53\u3066\u3092\u5b8c\u5168\u306b\u5730\u56f3\u306b\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002[2]<\/p>\n<p>\u307e\u305f\u3001lseek\u3067\u672b\u5c3e\u3088\u308a\u5148\u3078\u4f4d\u7f6e\u3092\u52d5\u304b\u3059\u3060\u3051\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9577\u3055\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u5148\u3078\u5b9f\u969b\u306b\u66f8\u3044\u305f\u3068\u304d\u306b\u3067\u304d\u308b\u9699\u9593\u304c\u3001\u5f8c\u306e\u8aad\u307f\u51fa\u3057\u30670\u3092\u8fd4\u3057\u307e\u3059\u3002\u4f4d\u7f6e\u3092\u52d5\u304b\u3057\u305f\u3001\u66f8\u304d\u8fbc\u3093\u3060\u3001\u9577\u3055\u304c\u5909\u308f\u3063\u305f\u3001\u7a74\u3092\u89b3\u6e2c\u3057\u305f\u3001\u3068\u3044\u3046\u51fa\u6765\u4e8b\u3082\u5225\u3005\u306b\u8a18\u9332\u3057\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u88c5\u3092\u9078\u3076\u3068\u304d\u306f\u3001\u9818\u57df\u3092\u56de\u53ce\u3057\u305f\u3044\u306e\u304b\u3001\u5f8c\u306e\u66f8\u8fbc\u307f\u7528\u306b\u78ba\u4fdd\u3057\u305f\u3044\u306e\u304b\u3092\u5148\u306b\u6c7a\u3081\u307e\u3059\u3002\u305d\u306e\u3046\u3048\u3067\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u5bfe\u5fdc\u3068\u5236\u7d04\u3001\u547c\u3073\u51fa\u3057\u306e\u623b\u308a\u5024\u3001\u9577\u3055\u3001\u5fc5\u8981\u306a\u5185\u5bb9\u3001\u5272\u5f53\u3066\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u672c\u7a3f\u306fLinux man-pages 6.19\u3068\u72ec\u81ea\u30e2\u30c7\u30eb\u306b\u3088\u308b\u8aac\u660e\u3067\u3042\u308a\u3001Linux\u30ab\u30fc\u30cd\u30eb\u4e0a\u3067fallocate\u3092\u5b9f\u884c\u3057\u305f\u8a66\u9a13\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6210\u529f\u3092\u78ba\u8a8d\u3067\u304d\u306a\u3044\u64cd\u4f5c\u3092\u30010\u304c\u8aad\u3081\u308b\u3068\u3044\u3046\u4e00\u3064\u306e\u7d50\u679c\u304b\u3089\u6210\u529f\u6271\u3044\u306b\u306f\u3057\u307e\u305b\u3093\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ol>\n<li>Linux man-pages 6.19\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/fallocate.2.html\">fallocate(2)<\/a>\u3001Deallocating file space\u3001Zeroing file space\u3001RETURN VALUE\u3001ERRORS\u3002<\/li>\n<li>\u540c\u3001<a href=\"https:\/\/man7.org\/linux\/man-pages\/man2\/lseek.2.html\">lseek(2)<\/a>\u3001DESCRIPTION\u3068Seeking file data and holes\u30024 KiB\u30d6\u30ed\u30c3\u30af\u306e\u56f3\u3068\u8a08\u7b97\u4f8b\u306f\u72ec\u81ea\u306e\u6982\u5ff5\u30e2\u30c7\u30eb\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u5206\u3092\u8aad\u3080\u3068\u3001\u5168\u30660\u3060\u3063\u305f\u3002\u305d\u306e\u7bc4\u56f2\u306f\u3001\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u3082\u540c\u3058\u3088\u3046\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002Linux\u306efallocate\u306b\u306f\u3001\u9818\u57df\u3092\u89e3\u653e\u3057\u3066\u7a74\u3092\u4f5c\u308b\u64cd\u4f5c\u3068\u3001\u9818\u57df\u3092\u78ba\u4fdd\u3057\u306a\u304c\u30890\u3068\u3057\u3066\u8aad\u3081\u308b\u72b6\u614b\u306b\u3059\u308b\u64cd\u4f5c\u304c\u3042 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1327,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[30],"tags":[244],"class_list":["post-1329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-computing","tag-linux"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-fallocate-hole-zero-range-20261023-featured-6b8173291dda.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1329"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions"}],"predecessor-version":[{"id":1330,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1329\/revisions\/1330"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1327"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}