mirror of
https://github.com/rcore-os/rCore-Tutorial-v3.git
synced 2024-11-28 20:33:35 +04:00
7 lines
6.9 KiB
HTML
7 lines
6.9 KiB
HTML
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="`Arc<Inode>` -> `OSInodeInner`: In order to open files concurrently we need to wrap `Inode` into `Arc`,but `Mutex` in `Inode` prevents file systems from being accessed simultaneously"><title>os::fs::inode - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-fa3bb1812debf86c.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="os" data-themes="" data-resource-suffix="" data-rustdoc-version="1.75.0-nightly (bf9a1c8a1 2023-10-08)" data-channel="nightly" data-search-js="search-5f5ec5419eadd0c9.js" data-settings-js="settings-74424d7eec62a23e.js" ><script src="../../../static.files/storage-fec3eaa3851e447d.js"></script><script defer src="../../../static.files/main-c5bd66d33317d69f.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-5d8b3c7633ad77ba.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a></nav><nav class="sidebar"><a class="logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><h2 class="location"><a href="#">Module inode</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#constants">Constants</a></li><li><a href="#functions">Functions</a></li><li><a href="#types">Type Aliases</a></li></ul></section></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">fs</a>::<wbr><a class="mod" href="#">inode</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../../src/os/fs/inode.rs.html#1-164">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p><code>Arc<Inode></code> -> <code>OSInodeInner</code>: In order to open files concurrently
|
||
we need to wrap <code>Inode</code> into <code>Arc</code>,but <code>Mutex</code> in <code>Inode</code> prevents
|
||
file systems from being accessed simultaneously</p>
|
||
<p><code>UPSafeCell<OSInodeInner></code> -> <code>OSInode</code>: for static <code>ROOT_INODE</code>,we
|
||
need to wrap <code>OSInodeInner</code> into <code>UPSafeCell</code></p>
|
||
</div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.OSInode.html" title="struct os::fs::inode::OSInode">OSInode</a></div><div class="desc docblock-short">A wrapper around a filesystem inode
|
||
to implement File trait atop</div></li><li><div class="item-name"><a class="struct" href="struct.OSInodeInner.html" title="struct os::fs::inode::OSInodeInner">OSInodeInner</a></div><div class="desc docblock-short">The OS inode inner in ‘UPSafeCell’</div></li><li><div class="item-name"><a class="struct" href="struct.OpenFlags.html" title="struct os::fs::inode::OpenFlags">OpenFlags</a></div><div class="desc docblock-short">Open file flags</div></li><li><div class="item-name"><a class="struct" href="struct.ROOT_INODE.html" title="struct os::fs::inode::ROOT_INODE">ROOT_INODE</a></div></li></ul><h2 id="constants" class="small-section-header"><a href="#constants">Constants</a></h2><ul class="item-table"><li><div class="item-name"><a class="constant" href="constant.BLOCK_CACHE_SIZE.html" title="constant os::fs::inode::BLOCK_CACHE_SIZE">BLOCK_CACHE_SIZE</a><span title="Restricted Visibility"> 🔒</span> </div></li></ul><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.list_apps.html" title="fn os::fs::inode::list_apps">list_apps</a></div><div class="desc docblock-short">List all files in the filesystems</div></li><li><div class="item-name"><a class="fn" href="fn.open_file.html" title="fn os::fs::inode::open_file">open_file</a></div><div class="desc docblock-short">Open file with flags</div></li></ul><h2 id="types" class="small-section-header"><a href="#types">Type Aliases</a></h2><ul class="item-table"><li><div class="item-name"><a class="type" href="type.InodeType.html" title="type os::fs::inode::InodeType">InodeType</a><span title="Restricted Visibility"> 🔒</span> </div></li></ul></section></div></main></body></html> |