Refactor easy-fs.

This commit is contained in:
Yifan Wu 2021-02-24 03:34:59 +08:00
parent 69933e2985
commit 920d077a66
704 changed files with 1594 additions and 278 deletions

213
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12
easy-fs-fuse/Cargo.toml Normal file
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@ -0,0 +1,12 @@
[package]
name = "easy-fs-fuse"
version = "0.1.0"
authors = ["Yifan Wu <shinbokuow@163.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = "2.33.3"
easy-fs = { path = "../easy-fs" }
rand = "0.8.0"

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@ -1,6 +1,3 @@
extern crate easy_fs;
extern crate alloc;
use easy_fs::{
BlockDevice,
EasyFileSystem,
@ -8,7 +5,8 @@ use easy_fs::{
use std::fs::{File, OpenOptions, read_dir};
use std::io::{Read, Write, Seek, SeekFrom};
use std::sync::Mutex;
use alloc::sync::Arc;
use std::sync::Arc;
use clap::{Arg, App};
const BLOCK_SZ: usize = 512;
@ -34,15 +32,30 @@ fn main() {
easy_fs_pack().expect("Error when packing easy-fs!");
}
static TARGET_PATH: &str = "../user/target/riscv64gc-unknown-none-elf/release/";
fn easy_fs_pack() -> std::io::Result<()> {
let matches = App::new("EasyFileSystem packer")
.arg(Arg::with_name("source")
.short("s")
.long("source")
.takes_value(true)
.help("Executable source dir(with backslash)")
)
.arg(Arg::with_name("target")
.short("t")
.long("target")
.takes_value(true)
.help("Executable target dir(with backslash)")
)
.get_matches();
let src_path = matches.value_of("source").unwrap();
let target_path = matches.value_of("target").unwrap();
println!("src_path = {}\ntarget_path = {}", src_path, target_path);
let block_file = Arc::new(BlockFile(Mutex::new({
let f = OpenOptions::new()
.read(true)
.write(true)
.create(true)
.open(format!("{}{}", TARGET_PATH, "fs.img"))?;
.open(format!("{}{}", target_path, "fs.img"))?;
f.set_len(8192 * 512).unwrap();
f
})));
@ -53,7 +66,7 @@ fn easy_fs_pack() -> std::io::Result<()> {
1,
);
let root_inode = Arc::new(EasyFileSystem::root_inode(&efs));
let apps: Vec<_> = read_dir("../user/src/bin")
let apps: Vec<_> = read_dir(src_path)
.unwrap()
.into_iter()
.map(|dir_entry| {
@ -64,7 +77,7 @@ fn easy_fs_pack() -> std::io::Result<()> {
.collect();
for app in apps {
// load app data from host file system
let mut host_file = File::open(format!("{}{}", TARGET_PATH, app)).unwrap();
let mut host_file = File::open(format!("{}{}", target_path, app)).unwrap();
let mut all_data: Vec<u8> = Vec::new();
host_file.read_to_end(&mut all_data).unwrap();
// create a file in easy-fs
@ -79,22 +92,24 @@ fn easy_fs_pack() -> std::io::Result<()> {
Ok(())
}
/*
#[test]
fn efs_test() -> std::io::Result<()> {
let block_file = Arc::new(BlockFile(Mutex::new(
OpenOptions::new()
let block_file = Arc::new(BlockFile(Mutex::new({
let f = OpenOptions::new()
.read(true)
.write(true)
.open("target/fs.img")?
)));
.create(true)
.open("target/fs.img")?;
f.set_len(8192 * 512).unwrap();
f
})));
EasyFileSystem::create(
block_file.clone(),
4096,
1,
);
let efs = EasyFileSystem::open(block_file.clone());
let mut root_inode = EasyFileSystem::root_inode(&efs);
let root_inode = EasyFileSystem::root_inode(&efs);
root_inode.create("filea");
root_inode.create("fileb");
for name in root_inode.ls() {
@ -147,4 +162,3 @@ fn efs_test() -> std::io::Result<()> {
Ok(())
}
*/

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{"rustc":6372856551041593746,"features":"[]","target":10091090017494426261,"profile":18074012566298724745,"path":2625873243564099,"deps":[[1959576847129962996,"spin",false,16019004648078812407],[8536350174477403560,"lazy_static",false,10022863608508354251]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-593a16b10b8a806c/dep-lib-easy-fs"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":1613559695681135254,"path":1036222786711178230,"deps":[[4093469818908271378,"easy_fs",false,14800027386160133942],[11371918856526212924,"clap",false,12357464203213223131],[14749213410647699076,"rand",false,13919983256553362434]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-46553dace2c5eff2/dep-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":8341259748240011191,"path":1036222786711178230,"deps":[[4093469818908271378,"easy_fs",false,14800027386160133942],[11371918856526212924,"clap",false,12357464203213223131],[14749213410647699076,"rand",false,13919983256553362434]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-4b72f5d50b3cc5d4/dep-test-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":10655494245791646288,"path":1036222786711178230,"deps":[[4093469818908271378,"easy_fs",false,1357893254809790433],[11371918856526212924,"clap",false,15120419575297865181],[14749213410647699076,"rand",false,177748952707832164]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-5fdb308670de0519/dep-test-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":1613559695681135254,"path":1036222786711178230,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-616aa133859353c1/dep-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"message":"failed to resolve: use of undeclared crate or module `alloc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":169,"byte_end":174,"line_start":8,"line_end":8,"column_start":5,"column_end":10,"is_primary":true,"text":[{"text":"use alloc::sync::Arc;","highlight_start":5,"highlight_end":10}],"label":"use of undeclared crate or module `alloc`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared crate or module `alloc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:8:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m8\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse alloc::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `alloc`\u001b[0m\n\n"}
{"message":"unresolved import `easy_fs`","code":{"code":"E0432","explanation":"An import was unresolved.\n\nErroneous code example:\n\n```compile_fail,E0432\nuse something::Foo; // error: unresolved import `something::Foo`.\n```\n\nIn Rust 2015, paths in `use` statements are relative to the crate root. To\nimport items relative to the current and parent modules, use the `self::` and\n`super::` prefixes, respectively.\n\nIn Rust 2018, paths in `use` statements are relative to the current module\nunless they begin with the name of a crate or a literal `crate::`, in which\ncase they start from the crate root. As in Rust 2015 code, the `self::` and\n`super::` prefixes refer to the current and parent modules respectively.\n\nAlso verify that you didn't misspell the import name and that the import exists\nin the module from where you tried to import it. Example:\n\n```\nuse self::something::Foo; // Ok.\n\nmod something {\n pub struct Foo;\n}\n# fn main() {}\n```\n\nIf you tried to use a module from an external crate and are using Rust 2015,\nyou may have missed the `extern crate` declaration (which is usually placed in\nthe crate root):\n\n```edition2015\nextern crate core; // Required to use the `core` crate in Rust 2015.\n\nuse core::any;\n# fn main() {}\n```\n\nIn Rust 2018 the `extern crate` declaration is not required and you can instead\njust `use` it:\n\n```edition2018\nuse core::any; // No extern crate required in Rust 2018.\n# fn main() {}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":4,"byte_end":11,"line_start":1,"line_end":1,"column_start":5,"column_end":12,"is_primary":true,"text":[{"text":"use easy_fs::{","highlight_start":5,"highlight_end":12}],"label":"use of undeclared crate or module `easy_fs`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0432]\u001b[0m\u001b[0m\u001b[1m: unresolved import `easy_fs`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:1:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse easy_fs::{\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `easy_fs`\u001b[0m\n\n"}
{"message":"unresolved import `clap`","code":{"code":"E0432","explanation":"An import was unresolved.\n\nErroneous code example:\n\n```compile_fail,E0432\nuse something::Foo; // error: unresolved import `something::Foo`.\n```\n\nIn Rust 2015, paths in `use` statements are relative to the crate root. To\nimport items relative to the current and parent modules, use the `self::` and\n`super::` prefixes, respectively.\n\nIn Rust 2018, paths in `use` statements are relative to the current module\nunless they begin with the name of a crate or a literal `crate::`, in which\ncase they start from the crate root. As in Rust 2015 code, the `self::` and\n`super::` prefixes refer to the current and parent modules respectively.\n\nAlso verify that you didn't misspell the import name and that the import exists\nin the module from where you tried to import it. Example:\n\n```\nuse self::something::Foo; // Ok.\n\nmod something {\n pub struct Foo;\n}\n# fn main() {}\n```\n\nIf you tried to use a module from an external crate and are using Rust 2015,\nyou may have missed the `extern crate` declaration (which is usually placed in\nthe crate root):\n\n```edition2015\nextern crate core; // Required to use the `core` crate in Rust 2015.\n\nuse core::any;\n# fn main() {}\n```\n\nIn Rust 2018 the `extern crate` declaration is not required and you can instead\njust `use` it:\n\n```edition2018\nuse core::any; // No extern crate required in Rust 2018.\n# fn main() {}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":191,"byte_end":195,"line_start":9,"line_end":9,"column_start":5,"column_end":9,"is_primary":true,"text":[{"text":"use clap::{Arg, App};","highlight_start":5,"highlight_end":9}],"label":"use of undeclared crate or module `clap`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0432]\u001b[0m\u001b[0m\u001b[1m: unresolved import `clap`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:9:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m9\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse clap::{Arg, App};\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `clap`\u001b[0m\n\n"}
{"message":"failed to resolve: use of undeclared type `Arc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":1695,"byte_end":1698,"line_start":53,"line_end":53,"column_start":22,"column_end":25,"is_primary":true,"text":[{"text":" let block_file = Arc::new(BlockFile(Mutex::new({","highlight_start":22,"highlight_end":25}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider importing this struct","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":true,"text":[],"label":null,"suggested_replacement":"use std::sync::Arc;\n","suggestion_applicability":"Unspecified","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `Arc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:53:22\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m53\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m let block_file = Arc::new(BlockFile(Mutex::new({\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing this struct\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\n"}
{"message":"failed to resolve: use of undeclared type `Arc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":2108,"byte_end":2111,"line_start":68,"line_end":68,"column_start":22,"column_end":25,"is_primary":true,"text":[{"text":" let root_inode = Arc::new(EasyFileSystem::root_inode(&efs));","highlight_start":22,"highlight_end":25}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider importing this struct","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":true,"text":[],"label":null,"suggested_replacement":"use std::sync::Arc;\n","suggestion_applicability":"Unspecified","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `Arc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:68:22\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m68\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m let root_inode = Arc::new(EasyFileSystem::root_inode(&efs));\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing this struct\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\n"}
{"message":"aborting due to 5 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to 5 previous errors\u001b[0m\n\n"}
{"message":"Some errors have detailed explanations: E0432, E0433.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mSome errors have detailed explanations: E0432, E0433.\u001b[0m\n"}
{"message":"For more information about an error, try `rustc --explain E0432`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about an error, try `rustc --explain E0432`.\u001b[0m\n"}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":1613559695681135254,"path":1036222786711178230,"deps":[[4093469818908271378,"easy_fs",false,14800027386160133942],[11371918856526212924,"clap",false,12357464203213223131]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-867a6e4c192b2606/dep-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"message":"failed to resolve: use of undeclared crate or module `alloc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":169,"byte_end":174,"line_start":8,"line_end":8,"column_start":5,"column_end":10,"is_primary":true,"text":[{"text":"use alloc::sync::Arc;","highlight_start":5,"highlight_end":10}],"label":"use of undeclared crate or module `alloc`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared crate or module `alloc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:8:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m8\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse alloc::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `alloc`\u001b[0m\n\n"}
{"message":"unresolved import `easy_fs`","code":{"code":"E0432","explanation":"An import was unresolved.\n\nErroneous code example:\n\n```compile_fail,E0432\nuse something::Foo; // error: unresolved import `something::Foo`.\n```\n\nIn Rust 2015, paths in `use` statements are relative to the crate root. To\nimport items relative to the current and parent modules, use the `self::` and\n`super::` prefixes, respectively.\n\nIn Rust 2018, paths in `use` statements are relative to the current module\nunless they begin with the name of a crate or a literal `crate::`, in which\ncase they start from the crate root. As in Rust 2015 code, the `self::` and\n`super::` prefixes refer to the current and parent modules respectively.\n\nAlso verify that you didn't misspell the import name and that the import exists\nin the module from where you tried to import it. Example:\n\n```\nuse self::something::Foo; // Ok.\n\nmod something {\n pub struct Foo;\n}\n# fn main() {}\n```\n\nIf you tried to use a module from an external crate and are using Rust 2015,\nyou may have missed the `extern crate` declaration (which is usually placed in\nthe crate root):\n\n```edition2015\nextern crate core; // Required to use the `core` crate in Rust 2015.\n\nuse core::any;\n# fn main() {}\n```\n\nIn Rust 2018 the `extern crate` declaration is not required and you can instead\njust `use` it:\n\n```edition2018\nuse core::any; // No extern crate required in Rust 2018.\n# fn main() {}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":4,"byte_end":11,"line_start":1,"line_end":1,"column_start":5,"column_end":12,"is_primary":true,"text":[{"text":"use easy_fs::{","highlight_start":5,"highlight_end":12}],"label":"use of undeclared crate or module `easy_fs`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0432]\u001b[0m\u001b[0m\u001b[1m: unresolved import `easy_fs`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:1:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse easy_fs::{\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `easy_fs`\u001b[0m\n\n"}
{"message":"unresolved import `clap`","code":{"code":"E0432","explanation":"An import was unresolved.\n\nErroneous code example:\n\n```compile_fail,E0432\nuse something::Foo; // error: unresolved import `something::Foo`.\n```\n\nIn Rust 2015, paths in `use` statements are relative to the crate root. To\nimport items relative to the current and parent modules, use the `self::` and\n`super::` prefixes, respectively.\n\nIn Rust 2018, paths in `use` statements are relative to the current module\nunless they begin with the name of a crate or a literal `crate::`, in which\ncase they start from the crate root. As in Rust 2015 code, the `self::` and\n`super::` prefixes refer to the current and parent modules respectively.\n\nAlso verify that you didn't misspell the import name and that the import exists\nin the module from where you tried to import it. Example:\n\n```\nuse self::something::Foo; // Ok.\n\nmod something {\n pub struct Foo;\n}\n# fn main() {}\n```\n\nIf you tried to use a module from an external crate and are using Rust 2015,\nyou may have missed the `extern crate` declaration (which is usually placed in\nthe crate root):\n\n```edition2015\nextern crate core; // Required to use the `core` crate in Rust 2015.\n\nuse core::any;\n# fn main() {}\n```\n\nIn Rust 2018 the `extern crate` declaration is not required and you can instead\njust `use` it:\n\n```edition2018\nuse core::any; // No extern crate required in Rust 2018.\n# fn main() {}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":191,"byte_end":195,"line_start":9,"line_end":9,"column_start":5,"column_end":9,"is_primary":true,"text":[{"text":"use clap::{Arg, App};","highlight_start":5,"highlight_end":9}],"label":"use of undeclared crate or module `clap`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0432]\u001b[0m\u001b[0m\u001b[1m: unresolved import `clap`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:9:5\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m9\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse clap::{Arg, App};\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared crate or module `clap`\u001b[0m\n\n"}
{"message":"failed to resolve: use of undeclared type `Arc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":1695,"byte_end":1698,"line_start":53,"line_end":53,"column_start":22,"column_end":25,"is_primary":true,"text":[{"text":" let block_file = Arc::new(BlockFile(Mutex::new({","highlight_start":22,"highlight_end":25}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider importing this struct","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":true,"text":[],"label":null,"suggested_replacement":"use std::sync::Arc;\n","suggestion_applicability":"Unspecified","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `Arc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:53:22\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m53\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m let block_file = Arc::new(BlockFile(Mutex::new({\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing this struct\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\n"}
{"message":"failed to resolve: use of undeclared type `Arc`","code":{"code":"E0433","explanation":"An undeclared crate, module, or type was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n\nIf you've expected to use a crate name:\n\n```compile_fail\nuse ferris_wheel::BigO;\n// error: failed to resolve: use of undeclared crate or module `ferris_wheel`\n```\n\nMake sure the crate has been added as a dependency in `Cargo.toml`.\n\nTo use a module from your current crate, add the `crate::` prefix to the path.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":2108,"byte_end":2111,"line_start":68,"line_end":68,"column_start":22,"column_end":25,"is_primary":true,"text":[{"text":" let root_inode = Arc::new(EasyFileSystem::root_inode(&efs));","highlight_start":22,"highlight_end":25}],"label":"not found in this scope","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"consider importing this struct","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":0,"line_start":1,"line_end":1,"column_start":1,"column_end":1,"is_primary":true,"text":[],"label":null,"suggested_replacement":"use std::sync::Arc;\n","suggestion_applicability":"Unspecified","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type `Arc`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:68:22\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m68\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m let root_inode = Arc::new(EasyFileSystem::root_inode(&efs));\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mnot found in this scope\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: consider importing this struct\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0muse std::sync::Arc;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\n"}
{"message":"aborting due to 5 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to 5 previous errors\u001b[0m\n\n"}
{"message":"Some errors have detailed explanations: E0432, E0433.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mSome errors have detailed explanations: E0432, E0433.\u001b[0m\n"}
{"message":"For more information about an error, try `rustc --explain E0432`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about an error, try `rustc --explain E0432`.\u001b[0m\n"}

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{"rustc":6372856551041593746,"features":"[]","target":7936748255789047174,"profile":8341259748240011191,"path":1036222786711178230,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/easy-fs-fuse-91b129dfcd82e443/dep-test-bin-easy-fs-fuse"}}],"rustflags":[],"metadata":4791657899108178287,"config":0}

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{"message":"unresolved import `rand`","code":{"code":"E0432","explanation":"An import was unresolved.\n\nErroneous code example:\n\n```compile_fail,E0432\nuse something::Foo; // error: unresolved import `something::Foo`.\n```\n\nIn Rust 2015, paths in `use` statements are relative to the crate root. To\nimport items relative to the current and parent modules, use the `self::` and\n`super::` prefixes, respectively.\n\nIn Rust 2018, paths in `use` statements are relative to the current module\nunless they begin with the name of a crate or a literal `crate::`, in which\ncase they start from the crate root. As in Rust 2015 code, the `self::` and\n`super::` prefixes refer to the current and parent modules respectively.\n\nAlso verify that you didn't misspell the import name and that the import exists\nin the module from where you tried to import it. Example:\n\n```\nuse self::something::Foo; // Ok.\n\nmod something {\n pub struct Foo;\n}\n# fn main() {}\n```\n\nIf you tried to use a module from an external crate and are using Rust 2015,\nyou may have missed the `extern crate` declaration (which is usually placed in\nthe crate root):\n\n```edition2015\nextern crate core; // Required to use the `core` crate in Rust 2015.\n\nuse core::any;\n# fn main() {}\n```\n\nIn Rust 2018 the `extern crate` declaration is not required and you can instead\njust `use` it:\n\n```edition2018\nuse core::any; // No extern crate required in Rust 2018.\n# fn main() {}\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":4106,"byte_end":4110,"line_start":132,"line_end":132,"column_start":13,"column_end":17,"is_primary":true,"text":[{"text":" use rand;","highlight_start":13,"highlight_end":17}],"label":"no external crate `rand`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0432]\u001b[0m\u001b[0m\u001b[1m: unresolved import `rand`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:132:13\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m132\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m use rand;\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mno external crate `rand`\u001b[0m\n\n"}
{"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to previous error\u001b[0m\n\n"}
{"message":"For more information about this error, try `rustc --explain E0432`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about this error, try `rustc --explain E0432`.\u001b[0m\n"}

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{"rustc":6372856551041593746,"features":"[\"std\"]","target":10429514197457385088,"profile":6299028598154287785,"path":13754106456104190818,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/getrandom-2e81284630c51da4/dep-build-script-build-script-build"}}],"rustflags":[],"metadata":12606519392706294666,"config":0}

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{"rustc":6372856551041593746,"features":"","target":0,"profile":0,"path":0,"deps":[[15709582387809157976,"build_script_build",false,6960902198944104051]],"local":[{"Precalculated":"0.2.2"}],"rustflags":[],"metadata":0,"config":0}

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{"rustc":6372856551041593746,"features":"[\"std\"]","target":6240134889204918026,"profile":16668067249205866872,"path":6880132988550246192,"deps":[[459707256310480844,"cfg_if",false,9943215861355114842],[13674783301899794217,"libc",false,14493386304978267754],[15709582387809157976,"build_script_build",false,14596141955491949285]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/getrandom-5d31153c259371f7/dep-lib-getrandom"}}],"rustflags":[],"metadata":12606519392706294666,"config":0}

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