asterinas/kernel/src/syscall/fsync.rs

28 lines
811 B
Rust

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