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|
use crate::c;
use crate::fs::Fs;
use std::ffi::{CString, c_char};
#[macro_export]
macro_rules! opt_set {
($opts:ident, $n:ident, $v:expr) => {
bch_bindgen::paste! {
$opts.$n = $v;
$opts.[<set_ $n _defined>](1)
}
};
}
#[macro_export]
macro_rules! opt_defined {
($opts:ident, $n:ident) => {
bch_bindgen::paste! {
$opts.[< $n _defined>]()
}
};
}
#[macro_export]
macro_rules! opt_get {
($opts:ident, $n:ident) => {
if bch_bindgen::opt_defined!($opts, $n) == 0 {
bch_bindgen::paste! {
unsafe {
bch_bindgen::bcachefs::bch2_opts_default.$n
}
}
} else {
bch_bindgen::paste! {
$opts.$n
}
}
};
}
pub fn parse_mount_opts(fs: Option<&mut Fs>, optstr: Option<&str>, ignore_unknown: bool)
-> Result<c::bch_opts, c::bch_errcode> {
let mut opts: c::bch_opts = Default::default();
if let Some(optstr) = optstr {
let optstr = CString::new(optstr).unwrap();
let optstr_ptr = optstr.as_ptr();
let ret = unsafe {
c::bch2_parse_mount_opts(fs.map_or(std::ptr::null_mut(), |f| f.raw),
&mut opts as *mut c::bch_opts,
std::ptr::null_mut(),
optstr_ptr as *mut c_char,
ignore_unknown)
};
drop(optstr);
if ret != 0 {
let err: c::bch_errcode = unsafe { std::mem::transmute(-ret) };
return Err(err);
}
}
Ok(opts)
}
|
