.clang_arg("-fkeep-inline-functions")
.derive_debug(true)
.derive_default(true)
- .derive_eq(true)
.layout_tests(true)
.default_enum_style(bindgen::EnumVariation::Rust {
non_exhaustive: true,
.allowlist_var("BCH_.*")
.allowlist_var("KEY_SPEC_.*")
.allowlist_var("bch.*")
+ .allowlist_var("__BTREE_ITER.*")
+ .allowlist_var("BTREE_ITER.*")
.allowlist_var("POS_MIN")
.allowlist_var("POS_MAX")
.allowlist_var("SPOS_MAX")
use crate::errcode::{bch_errcode, errptr_to_result_c};
use std::mem::MaybeUninit;
use std::ptr;
+use bitflags::bitflags;
pub struct BtreeTrans {
raw: c::btree_trans,
}
}
+bitflags! {
+ pub struct BtreeIterFlags: u16 {
+ const SLOTS = c::BTREE_ITER_SLOTS as u16;
+ const ALL_LEVELS = c::BTREE_ITER_ALL_LEVELS as u16;
+ const INTENT = c::BTREE_ITER_INTENT as u16;
+ const PREFETCH = c::BTREE_ITER_PREFETCH as u16;
+ const IS_EXTENTS = c::BTREE_ITER_IS_EXTENTS as u16;
+ const NOT_EXTENTS = c::BTREE_ITER_NOT_EXTENTS as u16;
+ const CACHED = c::BTREE_ITER_CACHED as u16;
+ const KEY_CACHED = c::BTREE_ITER_WITH_KEY_CACHE as u16;
+ const WITH_UPDATES = c::BTREE_ITER_WITH_UPDATES as u16;
+ const WITH_JOURNAL = c::BTREE_ITER_WITH_JOURNAL as u16;
+ const __ALL_SNAPSHOTS = c::__BTREE_ITER_ALL_SNAPSHOTS as u16;
+ const ALL_SNAPSHOTS = c::BTREE_ITER_ALL_SNAPSHOTS as u16;
+ const FILTER_SNAPSHOTS = c::BTREE_ITER_FILTER_SNAPSHOTS as u16;
+ const NOPRESERVE = c::BTREE_ITER_NOPRESERVE as u16;
+ const CACHED_NOFILL = c::BTREE_ITER_CACHED_NOFILL as u16;
+ const KEY_CACHE_FILL = c::BTREE_ITER_KEY_CACHE_FILL as u16;
+ }
+}
+
pub struct BtreeIter {
raw: c::btree_iter,
}
impl BtreeIter {
- pub fn new<'a>(trans: &'a BtreeTrans, btree: c::btree_id, pos: c::bpos, flags: u32) -> BtreeIter {
+ pub fn new<'a>(trans: &'a BtreeTrans, btree: c::btree_id, pos: c::bpos, flags: BtreeIterFlags) -> BtreeIter {
unsafe {
let mut iter: MaybeUninit<BtreeIter> = MaybeUninit::uninit();
&mut (*iter.as_mut_ptr()).raw,
btree as u32,
pos,
- flags);
+ flags.bits as u32);
iter.assume_init()
}
}
unsafe {
c::bch2_btree_iter_advance(&mut self.raw);
}
-
}
}
use bch_bindgen::fs::Fs;
use bch_bindgen::btree::BtreeTrans;
use bch_bindgen::btree::BtreeIter;
+use bch_bindgen::btree::BtreeIterFlags;
use clap::Parser;
use colored::Colorize;
use std::ffi::{CStr, OsStr, c_int, c_char};
fn list_keys(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
let trans = BtreeTrans::new(fs);
- let mut iter = BtreeIter::new(&trans, opt.btree, opt.start, 1 << 11);
+ let mut iter = BtreeIter::new(&trans, opt.btree, opt.start,
+ BtreeIterFlags::ALL_SNAPSHOTS|
+ BtreeIterFlags::PREFETCH);
while let Some(k) = iter.peek_and_restart()? {
unsafe {