From 1eac97eea4ec0bcef0be061a2cba93a584355283 Mon Sep 17 00:00:00 2001
From: Chuyan Zhang <me@zcy.moe>
Date: Thu, 30 Nov 2023 02:15:06 -0800
Subject: Add real disk i/o, add mkfs.aya (not yet implemented)

---
 src/utils/mod.rs | 92 --------------------------------------------------------
 1 file changed, 92 deletions(-)
 delete mode 100644 src/utils/mod.rs

(limited to 'src/utils/mod.rs')

diff --git a/src/utils/mod.rs b/src/utils/mod.rs
deleted file mode 100644
index 468ebdb..0000000
--- a/src/utils/mod.rs
+++ /dev/null
@@ -1,92 +0,0 @@
-mod constants;
-pub mod permissions;
-
-use crate::block_device::BLOCK_SIZE;
-use crate::disk::inode::{Inode, INODE_SIZE};
-use crate::{AyaFS, INODE_PER_BLOCK};
-use fuser::{FileAttr, FileType};
-use std::time::{Duration, SystemTime, UNIX_EPOCH};
-
-pub(crate) fn time_now() -> u32 {
-    SystemTime::now()
-        .duration_since(UNIX_EPOCH)
-        .expect("How can current time be earlier than UNIX_EPOCH?")
-        .as_secs() as u32
-}
-
-pub(crate) fn from_systime(system_time: SystemTime) -> u32 {
-    system_time
-        .duration_since(UNIX_EPOCH)
-        .expect("How can current time be earlier than UNIX_EPOCH?")
-        .as_secs() as u32
-}
-
-pub(crate) fn to_systime(time: u32) -> SystemTime {
-    UNIX_EPOCH + Duration::from_secs(time as u64)
-}
-
-// File type code, one of:
-// 0x0 	Unknown.
-// 0x1 	Regular file.
-// 0x2 	Directory.
-// 0x3 	Character device file.
-// 0x4 	Block device file.
-// 0x5 	FIFO.
-// 0x6 	Socket.
-// 0x7 	Symbolic link.
-
-pub(crate) fn from_filetype(file_type: FileType) -> u8 {
-    match file_type {
-        FileType::NamedPipe => 0x5,
-        FileType::CharDevice => 0x3,
-        FileType::BlockDevice => 0x4,
-        FileType::Directory => 0x2,
-        FileType::RegularFile => 0x1,
-        FileType::Symlink => 0x7,
-        FileType::Socket => 0x6,
-    }
-}
-
-pub(crate) fn to_filetype(file_type: u8) -> Option<FileType> {
-    match file_type {
-        0x0 => None,
-        0x1 => Some(FileType::RegularFile),
-        0x2 => Some(FileType::Directory),
-        0x3 => Some(FileType::CharDevice),
-        0x4 => Some(FileType::BlockDevice),
-        0x5 => Some(FileType::NamedPipe),
-        0x6 => Some(FileType::Socket),
-        0x7 => Some(FileType::Symlink),
-        _ => panic!("bad filetype"),
-    }
-}
-
-pub(crate) fn to_fileattr(inode_index: usize, inode: &Inode) -> FileAttr {
-    FileAttr {
-        ino: inode_index as u64,
-        size: inode.size as u64,
-        blocks: inode.n_blocks as u64,
-        atime: to_systime(inode.atime),
-        mtime: to_systime(inode.mtime),
-        ctime: to_systime(inode.ctime),
-        crtime: to_systime(inode.crtime),
-        kind: inode.mode.into(),
-        perm: inode.mode.perm(),
-        nlink: inode.n_links as u32,
-        uid: inode.uid,
-        gid: inode.gid,
-        rdev: 0,
-        blksize: BLOCK_SIZE as u32,
-        flags: inode.flags,
-    }
-}
-
-impl AyaFS {
-    /// 输入 inode 编号, 返回它对应的 block number 和 block 内 offset
-    pub(crate) fn locate_inode(&self, inode_index: usize) -> (usize, usize) {
-        let block_number =
-            inode_index / INODE_PER_BLOCK + 1 + self.inode_bitmap.length + self.data_bitmap.length;
-        let block_offset = inode_index % INODE_PER_BLOCK * INODE_SIZE;
-        (block_number, block_offset)
-    }
-}
-- 
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