chore: fix build warnings (unused vars/imports, dead ext4 param/field/fn)
This commit is contained in:
@@ -1,7 +1,7 @@
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use server_framework::Server;
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use types::id::ProcessId;
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use crate::protocol::{CapabilityKind, PermissionRequest, PermissionResponse};
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use crate::protocol::{PermissionRequest, PermissionResponse};
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const MAX_PROCESSES: usize = 64;
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const NUM_KINDS: usize = 9;
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@@ -2,7 +2,6 @@ use port_block_device::BlockDevice;
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use crate::filesystem::{DirEntry, FileName};
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use super::io::{read_block, write_block, read_u32, write_u32, read_u16, write_u16};
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use super::superblock::Superblock;
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use super::bgd::BlockGroupDescriptor;
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use super::{Inode, Extent, EXTENT_MAGIC};
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fn align4(n: usize) -> usize {
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@@ -12,7 +11,6 @@ fn align4(n: usize) -> usize {
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pub fn find_entry<B: BlockDevice>(
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device: &mut B,
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sb: &Superblock,
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gdt_block: u32,
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dir_inode: &Inode,
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name: &[u8],
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) -> Option<u32> {
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@@ -54,7 +52,6 @@ pub fn find_entry<B: BlockDevice>(
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pub fn add_entry<B: BlockDevice>(
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device: &mut B,
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sb: &Superblock,
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gdt_block: u32,
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dir_inode: &Inode,
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name: &[u8],
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child_inode: u32,
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@@ -79,7 +76,6 @@ pub fn add_entry<B: BlockDevice>(
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let phys = ext.physical_block + blk;
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read_block(device, phys, spb, &mut block_buf);
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let mut pos = 0;
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let mut prev_pos = 0;
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while pos + 8 <= sb.block_size {
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let entry_inode = read_u32(&block_buf, pos);
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let rec_len = read_u16(&block_buf, pos + 4) as usize;
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@@ -113,7 +109,6 @@ pub fn add_entry<B: BlockDevice>(
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return true;
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}
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prev_pos = pos;
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pos += rec_len;
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}
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}
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@@ -124,7 +119,6 @@ pub fn add_entry<B: BlockDevice>(
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pub fn remove_entry<B: BlockDevice>(
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device: &mut B,
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sb: &Superblock,
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gdt_block: u32,
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dir_inode: &Inode,
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name: &[u8],
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) -> Option<u32> {
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@@ -5,17 +5,6 @@ use super::{Ext4, Extent, Inode, EXTENT_MAGIC};
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use port_block_device::BlockDevice;
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impl<B: BlockDevice> Ext4<B> {
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pub(super) fn read_extents(&self, inode: &Inode) -> Option<Extent> {
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if !inode.uses_extents() { return None; }
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let hdr = &inode.block_data;
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let magic = read_u16(hdr, 0);
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if magic != EXTENT_MAGIC { return None; }
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let entries = read_u16(hdr, 2);
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let depth = read_u16(hdr, 6);
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if depth != 0 || entries == 0 { return None; }
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Some(Extent::parse(&hdr[12..24]))
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}
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pub(super) fn map_logical_block(&mut self, inode: &Inode, logical_block: u32) -> Option<u64> {
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if !inode.uses_extents() { return None; }
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let hdr = &inode.block_data;
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@@ -8,7 +8,7 @@ mod inode;
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mod path;
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use port_block_device::BlockDevice;
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use crate::filesystem::{DirEntry, FileHandle, FileName, FileSystem};
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use crate::filesystem::{DirEntry, FileHandle, FileSystem};
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use io::read_block;
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use superblock::Superblock;
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@@ -24,7 +24,6 @@ struct OpenFile {
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inode_num: u32,
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size: usize,
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offset: usize,
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name: FileName,
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block_data: [u8; 60],
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}
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@@ -64,7 +63,6 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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inode_num,
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size: inode.size as usize,
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offset: 0,
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name: FileName::from_bytes(path),
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block_data: inode.block_data,
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});
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Some(handle)
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@@ -193,7 +191,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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for i in 0..count {
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if !entries[i].is_dir {
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let name = entries[i].name;
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if let Some(child_ino) = dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &inode, name.as_bytes()) {
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if let Some(child_ino) = dir::find_entry(&mut self.device, &self.sb, &inode, name.as_bytes()) {
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if let Some(child) = self.read_inode(child_ino) {
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entries[i].size = child.size as usize;
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}
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@@ -208,7 +206,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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let parent_inode = self.read_inode(parent_inode_num)?;
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if !parent_inode.is_dir() { return None; }
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if dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, filename).is_some() {
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if dir::find_entry(&mut self.device, &self.sb, &parent_inode, filename).is_some() {
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return None;
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}
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@@ -217,7 +215,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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self.write_inode(new_inode_num, &new_inode);
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let parent_inode = self.read_inode(parent_inode_num)?;
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if !dir::add_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, filename, new_inode_num, 1) {
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if !dir::add_entry(&mut self.device, &self.sb, &parent_inode, filename, new_inode_num, 1) {
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self.free_inode(new_inode_num);
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return None;
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}
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@@ -227,7 +225,6 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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inode_num: new_inode_num,
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size: 0,
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offset: 0,
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name: FileName::from_bytes(path),
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block_data: new_inode.block_data,
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});
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Some(handle)
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@@ -243,7 +240,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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None => return false,
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};
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let child_inode_num = match dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, filename) {
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let child_inode_num = match dir::find_entry(&mut self.device, &self.sb, &parent_inode, filename) {
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Some(n) => n,
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None => return false,
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};
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@@ -258,7 +255,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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Some(i) => i,
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None => return false,
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};
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if dir::remove_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, filename).is_none() {
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if dir::remove_entry(&mut self.device, &self.sb, &parent_inode, filename).is_none() {
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return false;
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}
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@@ -292,7 +289,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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};
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if !parent_inode.is_dir() { return false; }
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if dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, dirname).is_some() {
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if dir::find_entry(&mut self.device, &self.sb, &parent_inode, dirname).is_some() {
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return false;
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}
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@@ -324,7 +321,7 @@ impl<B: BlockDevice> FileSystem for Ext4<B> {
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Some(i) => i,
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None => return false,
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};
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if !dir::add_entry(&mut self.device, &self.sb, self.gdt_block, &parent_inode, dirname, new_inode_num, 2) {
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if !dir::add_entry(&mut self.device, &self.sb, &parent_inode, dirname, new_inode_num, 2) {
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self.free_block(new_block);
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self.free_inode(new_inode_num);
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return false;
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@@ -27,7 +27,7 @@ impl<B: BlockDevice> Ext4<B> {
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pub fn find_in_dir_pub(&mut self, dir_inode_num: u32, name: &[u8]) -> Option<u32> {
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let inode = self.read_inode(dir_inode_num)?;
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dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &inode, name)
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dir::find_entry(&mut self.device, &self.sb, &inode, name)
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}
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pub fn add_dir_entry(&mut self, dir_inode_num: u32, name: &[u8], child_inode: u32, file_type: u8) -> bool {
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@@ -35,17 +35,17 @@ impl<B: BlockDevice> Ext4<B> {
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Some(i) => i,
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None => return false,
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};
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dir::add_entry(&mut self.device, &self.sb, self.gdt_block, &inode, name, child_inode, file_type)
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dir::add_entry(&mut self.device, &self.sb, &inode, name, child_inode, file_type)
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}
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pub fn remove_dir_entry(&mut self, dir_inode_num: u32, name: &[u8]) -> Option<u32> {
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let inode = self.read_inode(dir_inode_num)?;
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dir::remove_entry(&mut self.device, &self.sb, self.gdt_block, &inode, name)
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dir::remove_entry(&mut self.device, &self.sb, &inode, name)
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}
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pub(super) fn find_in_dir(&mut self, dir_inode: u32, name: &[u8]) -> Option<u32> {
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let inode = self.read_inode(dir_inode)?;
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dir::find_entry(&mut self.device, &self.sb, self.gdt_block, &inode, name)
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dir::find_entry(&mut self.device, &self.sb, &inode, name)
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}
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pub(super) fn resolve_path(&mut self, path: &[u8]) -> Option<u32> {
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