Crate ext2

This crate provides a logic for creating an ext2 filesystem on memory.

Modules

arena 🔒

Defines an arena allocator backed by base::MemoryMapping.

bitmap 🔒

Defines bitmap types.

blockgroup 🔒

Defines structs for metadata of block groups.

builder 🔒

Provides structs and logic to build ext2 file system with configurations.

fs 🔒

Defines a struct to represent an ext2 filesystem and implements methods to create

inode 🔒

Defines the inode structure.

superblock 🔒

Defines the superblock structure.

xattr 🔒

Provides utilites for extended attributes.

Structs

Builder

A struct to represent the configuration of an ext2 filesystem.

Constants

BLOCK_SIZE

The size of a block in bytes. We only support 4K-byte blocks.

Functions

dump_xattrs

Retrieves the list of pairs of a name and a value of the extended attribute of the given path. If path is a symbolic link, it won’t be followed and the value of the symlink itself is returned. The return values are byte arrays WITHOUT trailing NULL byte.

set_xattr

Sets the extended attribute of the given path with the given key and value.