feat(vfs) Continue the rewrite of the in-memory filesystem.

yiwei1223 · Aug 27, 2021 · 047256f · 047256f
1 parent b66e591
commit 047256f
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Showing 13 changed files with 3,115 additions and 2,621 deletions.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/lib/vfs/Cargo.toml b/lib/vfs/Cargo.toml
@@ -12,11 +12,12 @@ thiserror = "1"
 tracing = { version = "0.1" }
 typetag = { version = "0.1", optional = true }
 serde = { version = "1.0", default-features = false, features = ["derive"], optional = true }
+slab = { version = "0.4", optional = true }
 
 [features]
-default = ["host_fs"]
-host_fs = ["libc"]
-mem_fs = []
+default = ["host-fs"]
+host-fs = ["libc"]
+mem-fs = ["slab"]
 enable-serde = [
     "serde",
     "typetag"

diff --git a/lib/vfs/src/lib.rs b/lib/vfs/src/lib.rs
@@ -5,16 +5,17 @@ use std::io::{self, Read, Seek, Write};
 use std::path::{Path, PathBuf};
 use thiserror::Error;
 
-#[cfg(all(not(feature = "host_fs"), not(feature = "mem_fs")))]
-compile_error!("At least the `host_fs` or the `mem_fs` feature must be enabled. Please, pick one.");
+#[cfg(all(not(feature = "host-fs"), not(feature = "mem-fs")))]
+compile_error!("At least the `host-fs` or the `mem-fs` feature must be enabled. Please, pick one.");
 
-#[cfg(feature = "host_fs")]
+#[cfg(feature = "host-fs")]
 pub mod host_fs;
-#[cfg(feature = "mem_fs")]
+#[cfg(feature = "mem-fs")]
 pub mod mem_fs;
 
 pub type Result<T> = std::result::Result<T, FsError>;
 
+#[derive(Debug)]
 #[repr(transparent)]
 pub struct FileDescriptor(usize);