Tateisi/rcore-tutorial
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Support indirect2 in easy-fs::layout::DiskInode

Browse source
This commit is contained in:
Yifan Wu 2021-02-27 06:40:52 +08:00
parent c8d851fc2b
commit 28ef057fe3
4 changed files with 228 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

12
easy-fs/src/efs.rs
View file

@ -80,9 +80,7 @@ impl EasyFileSystem {
)
.lock()
.modify(root_inode_offset, |disk_inode: &mut DiskInode| {
disk_inode.initialize(
DiskInodeType::Directory,efs.alloc_data()
);
disk_inode.initialize(DiskInodeType::Directory);
});
Arc::new(Mutex::new(efs))
}
@ -158,6 +156,14 @@ impl EasyFileSystem {
}
pub fn dealloc_data(&mut self, block_id: u32) {
get_block_cache(
block_id as usize,
Arc::clone(&self.block_device)
)
.lock()
.modify(0, |data_block: &mut DataBlock| {
data_block.iter_mut().for_each(|p| { *p = 0; })
});
self.data_bitmap.dealloc(
&self.block_device,
(block_id - self.data_area_start_block) as usize