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Add Ext2 fs and basic bio layer

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This commit is contained in:
LI Qing
2023-09-18 11:47:17 +08:00
committed by Tate, Hongliang Tian
parent 1616f2d32c
commit 9473889c6b
51 changed files with 5346 additions and 427 deletions
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17
services/libs/aster-std/src/fs/procfs/template/file.rs
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@ -1,4 +1,3 @@
use aster_frame::vm::VmFrame;
use core::time::Duration;
use crate::fs::utils::{FileSystem, Inode, InodeMode, InodeType, IoctlCmd, Metadata};
@ -31,12 +30,18 @@ impl<F: FileOps + 'static> Inode for ProcFile<F> {
self.info.size()
}
fn resize(&self, _new_size: usize) {}
fn resize(&self, _new_size: usize) -> Result<()> {
Err(Error::new(Errno::EPERM))
}
fn metadata(&self) -> Metadata {
self.info.metadata()
}
fn ino(&self) -> u64 {
self.info.ino()
}
fn type_(&self) -> InodeType {
InodeType::File
}
@ -65,14 +70,6 @@ impl<F: FileOps + 'static> Inode for ProcFile<F> {
self.info.set_mtime(time)
}
fn read_page(&self, _idx: usize, _frame: &VmFrame) -> Result<()> {
unreachable!()
}
fn write_page(&self, _idx: usize, _frame: &VmFrame) -> Result<()> {
unreachable!()
}
fn read_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize> {
let data = self.inner.data()?;
let start = data.len().min(offset);