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26 lines
709 B
Rust
26 lines
709 B
Rust
// SPDX-License-Identifier: MPL-2.0
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use super::{SyscallReturn, SYS_FSYNC};
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use crate::{
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fs::{file_table::FileDesc, inode_handle::InodeHandle},
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log_syscall_entry,
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prelude::*,
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};
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pub fn sys_fsync(fd: FileDesc) -> Result<SyscallReturn> {
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log_syscall_entry!(SYS_FSYNC);
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debug!("fd = {}", fd);
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let dentry = {
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let current = current!();
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let file_table = current.file_table().lock();
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let file = file_table.get_file(fd)?;
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let inode_handle = file
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.downcast_ref::<InodeHandle>()
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.ok_or(Error::with_message(Errno::EINVAL, "not inode"))?;
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inode_handle.dentry().clone()
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};
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dentry.sync()?;
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Ok(SyscallReturn::Return(0))
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}
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