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Extract dentry.rs and mount.rs to path module, rename Dentry and DentryMnt and check usage of pub.

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Signed-off-by: Zhenchen Wang <m202372036@hust.edu.cn>
This commit is contained in:
Zhenchen Wang
2024-05-15 15:06:32 +08:00
committed by Tate, Hongliang Tian
parent 8d18a12385
commit 8bcadee540
38 changed files with 395 additions and 387 deletions
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10
kernel/aster-nix/src/syscall/link.rs
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@ -30,7 +30,7 @@ pub fn sys_linkat(
);
let current = current!();
let (old_dentrymnt, new_dir_dentrymnt, new_name) = {
let (old_dentry, new_dir_dentry, new_name) = {
let old_path = old_path.to_string_lossy();
if old_path.ends_with('/') {
return_errno_with_message!(Errno::EPERM, "oldpath is dir");
@ -46,16 +46,16 @@ pub fn sys_linkat(
let old_fs_path = FsPath::new(old_dirfd, old_path.as_ref())?;
let new_fs_path = FsPath::new(new_dirfd, new_path.as_ref())?;
let fs = current.fs().read();
let old_dentrymnt = if flags.contains(LinkFlags::AT_SYMLINK_FOLLOW) {
let old_dentry = if flags.contains(LinkFlags::AT_SYMLINK_FOLLOW) {
fs.lookup(&old_fs_path)?
} else {
fs.lookup_no_follow(&old_fs_path)?
};
let (new_dir_dentrymnt, new_name) = fs.lookup_dir_and_base_name(&new_fs_path)?;
(old_dentrymnt, new_dir_dentrymnt, new_name)
let (new_dir_dentry, new_name) = fs.lookup_dir_and_base_name(&new_fs_path)?;
(old_dentry, new_dir_dentry, new_name)
};
new_dir_dentrymnt.link(&old_dentrymnt, &new_name)?;
new_dir_dentry.link(&old_dentry, &new_name)?;
Ok(SyscallReturn::Return(0))
}