Files
asterinas/kernel/src/syscall/fsync.rs
2025-01-09 10:58:16 +08:00

28 lines
813 B
Rust

// SPDX-License-Identifier: MPL-2.0
use super::SyscallReturn;
use crate::{
fs::file_table::{get_file_fast, FileDesc},
prelude::*,
};
pub fn sys_fsync(fd: FileDesc, ctx: &Context) -> Result<SyscallReturn> {
debug!("fd = {}", fd);
let mut file_table = ctx.thread_local.file_table().borrow_mut();
let file = get_file_fast!(&mut file_table, fd);
let dentry = file.as_inode_or_err()?.dentry();
dentry.sync_all()?;
Ok(SyscallReturn::Return(0))
}
pub fn sys_fdatasync(fd: FileDesc, ctx: &Context) -> Result<SyscallReturn> {
debug!("fd = {}", fd);
let mut file_table = ctx.thread_local.file_table().borrow_mut();
let file = get_file_fast!(&mut file_table, fd);
let dentry = file.as_inode_or_err()?.dentry();
dentry.sync_data()?;
Ok(SyscallReturn::Return(0))
}