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authorKent Overstreet <kent.overstreet@linux.dev>2024-05-26 20:38:08 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2024-05-26 20:38:08 -0400
commitaa985e6a44a58fa0d508cda7fdaa63acf872ced8 (patch)
treef15b7a1207f024abb12c6fc8d12c9e7adba778e1
parent5b216318b887283d1b22fda055bb7cf381e6ae10 (diff)
Format with rustfmt
Note that we're using struct/enum align options, which require nightly. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
-rw-r--r--bch_bindgen/build.rs3
-rw-r--r--bch_bindgen/rustfmt.toml3
-rw-r--r--bch_bindgen/src/bkey.rs93
-rw-r--r--bch_bindgen/src/btree.rs108
-rw-r--r--bch_bindgen/src/fs.rs11
-rw-r--r--bch_bindgen/src/lib.rs72
-rw-r--r--bch_bindgen/src/sb_io.rs11
-rw-r--r--rustfmt.toml4
-rw-r--r--src/bcachefs.rs11
-rw-r--r--src/commands/list.rs118
-rw-r--r--src/commands/mod.rs8
-rw-r--r--src/commands/mount.rs78
-rw-r--r--src/commands/subvolume.rs42
-rw-r--r--src/key.rs43
-rw-r--r--src/wrappers/handle.rs77
15 files changed, 418 insertions, 264 deletions
diff --git a/bch_bindgen/build.rs b/bch_bindgen/build.rs
index 0329f1ae..4a3755a1 100644
--- a/bch_bindgen/build.rs
+++ b/bch_bindgen/build.rs
@@ -29,8 +29,7 @@ fn main() {
.to_string(),
)
.clang_args(
- urcu
- .include_paths
+ urcu.include_paths
.iter()
.map(|p| format!("-I{}", p.display())),
)
diff --git a/bch_bindgen/rustfmt.toml b/bch_bindgen/rustfmt.toml
deleted file mode 100644
index 42f2ad7c..00000000
--- a/bch_bindgen/rustfmt.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-# Default settings, i.e. idiomatic rust
-edition = "2021"
-newline_style = "Unix" \ No newline at end of file
diff --git a/bch_bindgen/src/bkey.rs b/bch_bindgen/src/bkey.rs
index 258e2434..b9cab4a1 100644
--- a/bch_bindgen/src/bkey.rs
+++ b/bch_bindgen/src/bkey.rs
@@ -1,17 +1,17 @@
#![allow(non_camel_case_types)]
+use crate::btree::BtreeIter;
use crate::c;
use crate::fs::Fs;
-use crate::btree::BtreeIter;
use crate::printbuf_to_formatter;
use std::fmt;
use std::marker::PhantomData;
use std::mem::transmute;
pub struct BkeySC<'a> {
- pub k: &'a c::bkey,
- pub v: &'a c::bch_val,
- pub(crate) iter: PhantomData<&'a mut BtreeIter<'a>>
+ pub k: &'a c::bkey,
+ pub v: &'a c::bch_val,
+ pub(crate) iter: PhantomData<&'a mut BtreeIter<'a>>,
}
pub enum BkeyValC<'a> {
@@ -53,7 +53,10 @@ pub enum BkeyValC<'a> {
impl<'a, 'b> BkeySC<'a> {
unsafe fn to_raw(&self) -> c::bkey_s_c {
- c::bkey_s_c { k: self.k, v: self.v }
+ c::bkey_s_c {
+ k: self.k,
+ v: self.v,
+ }
}
pub fn to_text(&'a self, fs: &'b Fs) -> BkeySCToText<'a, 'b> {
@@ -67,41 +70,41 @@ impl<'a, 'b> BkeySC<'a> {
use c::bch_bkey_type::*;
use BkeyValC::*;
match ty {
- KEY_TYPE_deleted => deleted,
- KEY_TYPE_whiteout => whiteout,
- KEY_TYPE_error => error,
- KEY_TYPE_cookie => cookie(transmute(self.v)),
- KEY_TYPE_hash_whiteout => hash_whiteout(transmute(self.v)),
- KEY_TYPE_btree_ptr => btree_ptr(transmute(self.v)),
- KEY_TYPE_extent => extent(transmute(self.v)),
- KEY_TYPE_reservation => reservation(transmute(self.v)),
- KEY_TYPE_inode => inode(transmute(self.v)),
- KEY_TYPE_inode_generation => inode_generation(transmute(self.v)),
- KEY_TYPE_dirent => dirent(transmute(self.v)),
- KEY_TYPE_xattr => xattr(transmute(self.v)),
- KEY_TYPE_alloc => alloc(transmute(self.v)),
- KEY_TYPE_quota => quota(transmute(self.v)),
- KEY_TYPE_stripe => stripe(transmute(self.v)),
- KEY_TYPE_reflink_p => reflink_p(transmute(self.v)),
- KEY_TYPE_reflink_v => reflink_v(transmute(self.v)),
- KEY_TYPE_inline_data => inline_data(transmute(self.v)),
- KEY_TYPE_btree_ptr_v2 => btree_ptr_v2(transmute(self.v)),
- KEY_TYPE_indirect_inline_data => indirect_inline_data(transmute(self.v)),
- KEY_TYPE_alloc_v2 => alloc_v2(transmute(self.v)),
- KEY_TYPE_subvolume => subvolume(transmute(self.v)),
- KEY_TYPE_snapshot => snapshot(transmute(self.v)),
- KEY_TYPE_inode_v2 => inode_v2(transmute(self.v)),
- KEY_TYPE_alloc_v3 => inode_v3(transmute(self.v)),
- KEY_TYPE_set => set,
- KEY_TYPE_lru => lru(transmute(self.v)),
- KEY_TYPE_alloc_v4 => alloc_v4(transmute(self.v)),
- KEY_TYPE_backpointer => backpointer(transmute(self.v)),
- KEY_TYPE_inode_v3 => inode_v3(transmute(self.v)),
- KEY_TYPE_bucket_gens => bucket_gens(transmute(self.v)),
- KEY_TYPE_snapshot_tree => snapshot_tree(transmute(self.v)),
- KEY_TYPE_logged_op_truncate => logged_op_truncate(transmute(self.v)),
- KEY_TYPE_logged_op_finsert => logged_op_finsert(transmute(self.v)),
- KEY_TYPE_MAX => unreachable!(),
+ KEY_TYPE_deleted => deleted,
+ KEY_TYPE_whiteout => whiteout,
+ KEY_TYPE_error => error,
+ KEY_TYPE_cookie => cookie(transmute(self.v)),
+ KEY_TYPE_hash_whiteout => hash_whiteout(transmute(self.v)),
+ KEY_TYPE_btree_ptr => btree_ptr(transmute(self.v)),
+ KEY_TYPE_extent => extent(transmute(self.v)),
+ KEY_TYPE_reservation => reservation(transmute(self.v)),
+ KEY_TYPE_inode => inode(transmute(self.v)),
+ KEY_TYPE_inode_generation => inode_generation(transmute(self.v)),
+ KEY_TYPE_dirent => dirent(transmute(self.v)),
+ KEY_TYPE_xattr => xattr(transmute(self.v)),
+ KEY_TYPE_alloc => alloc(transmute(self.v)),
+ KEY_TYPE_quota => quota(transmute(self.v)),
+ KEY_TYPE_stripe => stripe(transmute(self.v)),
+ KEY_TYPE_reflink_p => reflink_p(transmute(self.v)),
+ KEY_TYPE_reflink_v => reflink_v(transmute(self.v)),
+ KEY_TYPE_inline_data => inline_data(transmute(self.v)),
+ KEY_TYPE_btree_ptr_v2 => btree_ptr_v2(transmute(self.v)),
+ KEY_TYPE_indirect_inline_data => indirect_inline_data(transmute(self.v)),
+ KEY_TYPE_alloc_v2 => alloc_v2(transmute(self.v)),
+ KEY_TYPE_subvolume => subvolume(transmute(self.v)),
+ KEY_TYPE_snapshot => snapshot(transmute(self.v)),
+ KEY_TYPE_inode_v2 => inode_v2(transmute(self.v)),
+ KEY_TYPE_alloc_v3 => inode_v3(transmute(self.v)),
+ KEY_TYPE_set => set,
+ KEY_TYPE_lru => lru(transmute(self.v)),
+ KEY_TYPE_alloc_v4 => alloc_v4(transmute(self.v)),
+ KEY_TYPE_backpointer => backpointer(transmute(self.v)),
+ KEY_TYPE_inode_v3 => inode_v3(transmute(self.v)),
+ KEY_TYPE_bucket_gens => bucket_gens(transmute(self.v)),
+ KEY_TYPE_snapshot_tree => snapshot_tree(transmute(self.v)),
+ KEY_TYPE_logged_op_truncate => logged_op_truncate(transmute(self.v)),
+ KEY_TYPE_logged_op_finsert => logged_op_finsert(transmute(self.v)),
+ KEY_TYPE_MAX => unreachable!(),
}
}
}
@@ -109,7 +112,11 @@ impl<'a, 'b> BkeySC<'a> {
impl<'a> From<&'a c::bkey_i> for BkeySC<'a> {
fn from(k: &'a c::bkey_i) -> Self {
- BkeySC { k: &k.k, v: &k.v, iter: PhantomData }
+ BkeySC {
+ k: &k.k,
+ v: &k.v,
+ iter: PhantomData,
+ }
}
}
@@ -121,7 +128,9 @@ pub struct BkeySCToText<'a, 'b> {
impl<'a, 'b> fmt::Display for BkeySCToText<'a, 'b> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
unsafe {
- printbuf_to_formatter(f, |buf| c::bch2_bkey_val_to_text(buf, self.fs.raw, self.k.to_raw()))
+ printbuf_to_formatter(f, |buf| {
+ c::bch2_bkey_val_to_text(buf, self.fs.raw, self.k.to_raw())
+ })
}
}
}
diff --git a/bch_bindgen/src/btree.rs b/bch_bindgen/src/btree.rs
index 142e9614..ba3ec87c 100644
--- a/bch_bindgen/src/btree.rs
+++ b/bch_bindgen/src/btree.rs
@@ -1,23 +1,26 @@
-use crate::SPOS_MAX;
-use crate::c;
use crate::bkey::BkeySC;
-use crate::fs::Fs;
+use crate::c;
use crate::errcode::{bch_errcode, errptr_to_result_c};
+use crate::fs::Fs;
use crate::printbuf_to_formatter;
+use crate::SPOS_MAX;
+use bitflags::bitflags;
use std::fmt;
use std::marker::PhantomData;
use std::mem::MaybeUninit;
-use bitflags::bitflags;
pub struct BtreeTrans<'f> {
- raw: *mut c::btree_trans,
- fs: PhantomData<&'f Fs>
+ raw: *mut c::btree_trans,
+ fs: PhantomData<&'f Fs>,
}
impl<'f> BtreeTrans<'f> {
pub fn new(fs: &'f Fs) -> BtreeTrans {
unsafe {
- BtreeTrans { raw: &mut *c::__bch2_trans_get(fs.raw, 0), fs: PhantomData }
+ BtreeTrans {
+ raw: &mut *c::__bch2_trans_get(fs.raw, 0),
+ fs: PhantomData,
+ }
}
}
}
@@ -25,7 +28,7 @@ impl<'f> BtreeTrans<'f> {
impl<'f> Drop for BtreeTrans<'f> {
fn drop(&mut self) {
unsafe { c::bch2_trans_put(&mut *self.raw) }
- }
+ }
}
bitflags! {
@@ -49,12 +52,17 @@ bitflags! {
}
pub struct BtreeIter<'t> {
- raw: c::btree_iter,
- trans: PhantomData<&'t BtreeTrans<'t>>,
+ raw: c::btree_iter,
+ trans: PhantomData<&'t BtreeTrans<'t>>,
}
impl<'t> BtreeIter<'t> {
- pub fn new(trans: &'t BtreeTrans<'t>, btree: c::btree_id, pos: c::bpos, flags: BtreeIterFlags) -> BtreeIter<'t> {
+ pub fn new(
+ trans: &'t BtreeTrans<'t>,
+ btree: c::btree_id,
+ pos: c::bpos,
+ flags: BtreeIterFlags,
+ ) -> BtreeIter<'t> {
unsafe {
let mut iter: MaybeUninit<c::btree_iter> = MaybeUninit::uninit();
@@ -63,17 +71,30 @@ impl<'t> BtreeIter<'t> {
iter.as_mut_ptr(),
btree,
pos,
- flags.bits as u32);
+ flags.bits as u32,
+ );
- BtreeIter { raw: iter.assume_init(), trans: PhantomData }
+ BtreeIter {
+ raw: iter.assume_init(),
+ trans: PhantomData,
+ }
}
}
pub fn peek_upto<'i>(&'i mut self, end: c::bpos) -> Result<Option<BkeySC>, bch_errcode> {
unsafe {
let k = c::bch2_btree_iter_peek_upto(&mut self.raw, end);
- errptr_to_result_c(k.k)
- .map(|_| if !k.k.is_null() { Some(BkeySC { k: &*k.k, v: &*k.v, iter: PhantomData }) } else { None } )
+ errptr_to_result_c(k.k).map(|_| {
+ if !k.k.is_null() {
+ Some(BkeySC {
+ k: &*k.k,
+ v: &*k.v,
+ iter: PhantomData,
+ })
+ } else {
+ None
+ }
+ })
}
}
@@ -85,8 +106,17 @@ impl<'t> BtreeIter<'t> {
unsafe {
let k = c::bch2_btree_iter_peek_and_restart_outlined(&mut self.raw);
- errptr_to_result_c(k.k)
- .map(|_| if !k.k.is_null() { Some(BkeySC{ k: &*k.k, v: &*k.v, iter: PhantomData }) } else { None } )
+ errptr_to_result_c(k.k).map(|_| {
+ if !k.k.is_null() {
+ Some(BkeySC {
+ k: &*k.k,
+ v: &*k.v,
+ iter: PhantomData,
+ })
+ } else {
+ None
+ }
+ })
}
}
@@ -100,21 +130,23 @@ impl<'t> BtreeIter<'t> {
impl<'t> Drop for BtreeIter<'t> {
fn drop(&mut self) {
unsafe { c::bch2_trans_iter_exit(self.raw.trans, &mut self.raw) }
- }
+ }
}
pub struct BtreeNodeIter<'t> {
- raw: c::btree_iter,
- trans: PhantomData<&'t BtreeTrans<'t>>,
+ raw: c::btree_iter,
+ trans: PhantomData<&'t BtreeTrans<'t>>,
}
impl<'t> BtreeNodeIter<'t> {
- pub fn new(trans: &'t BtreeTrans<'t>,
- btree: c::btree_id,
- pos: c::bpos,
+ pub fn new(
+ trans: &'t BtreeTrans<'t>,
+ btree: c::btree_id,
+ pos: c::bpos,
locks_want: u32,
- depth: u32,
- flags: BtreeIterFlags) -> BtreeNodeIter {
+ depth: u32,
+ flags: BtreeIterFlags,
+ ) -> BtreeNodeIter {
unsafe {
let mut iter: MaybeUninit<c::btree_iter> = MaybeUninit::uninit();
c::bch2_trans_node_iter_init(
@@ -124,9 +156,13 @@ impl<'t> BtreeNodeIter<'t> {
pos,
locks_want,
depth,
- flags.bits as u32);
+ flags.bits as u32,
+ );
- BtreeNodeIter { raw: iter.assume_init(), trans: PhantomData }
+ BtreeNodeIter {
+ raw: iter.assume_init(),
+ trans: PhantomData,
+ }
}
}
@@ -161,7 +197,7 @@ impl<'t> BtreeNodeIter<'t> {
impl<'t> Drop for BtreeNodeIter<'t> {
fn drop(&mut self) {
unsafe { c::bch2_trans_iter_exit(self.raw.trans, &mut self.raw) }
- }
+ }
}
impl<'b, 'f> c::btree {
@@ -175,23 +211,27 @@ impl<'b, 'f> c::btree {
}
pub struct BtreeNodeToText<'b, 'f> {
- b: &'b c::btree,
- fs: &'f Fs,
+ b: &'b c::btree,
+ fs: &'f Fs,
}
impl<'b, 'f> fmt::Display for BtreeNodeToText<'b, 'f> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- printbuf_to_formatter(f, |buf| unsafe { c::bch2_btree_node_to_text(buf, self.fs.raw, self.b) })
+ printbuf_to_formatter(f, |buf| unsafe {
+ c::bch2_btree_node_to_text(buf, self.fs.raw, self.b)
+ })
}
}
pub struct BtreeNodeOndiskToText<'b, 'f> {
- b: &'b c::btree,
- fs: &'f Fs,
+ b: &'b c::btree,
+ fs: &'f Fs,
}
impl<'b, 'f> fmt::Display for BtreeNodeOndiskToText<'b, 'f> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- printbuf_to_formatter(f, |buf| unsafe { c::bch2_btree_node_ondisk_to_text(buf, self.fs.raw, self.b) })
+ printbuf_to_formatter(f, |buf| unsafe {
+ c::bch2_btree_node_ondisk_to_text(buf, self.fs.raw, self.b)
+ })
}
}
diff --git a/bch_bindgen/src/fs.rs b/bch_bindgen/src/fs.rs
index b26c51b6..e44fca25 100644
--- a/bch_bindgen/src/fs.rs
+++ b/bch_bindgen/src/fs.rs
@@ -1,8 +1,8 @@
+use crate::c;
+use crate::errcode::{bch_errcode, errptr_to_result};
use std::ffi::CString;
use std::os::unix::ffi::OsStrExt;
use std::path::PathBuf;
-use crate::c;
-use crate::errcode::{bch_errcode, errptr_to_result};
pub struct Fs {
pub raw: *mut c::bch_fs,
@@ -10,18 +10,19 @@ pub struct Fs {
impl Fs {
pub fn open(devs: &Vec<PathBuf>, opts: c::bch_opts) -> Result<Fs, bch_errcode> {
- let devs: Vec<_> = devs.iter()
+ let devs: Vec<_> = devs
+ .iter()
.map(|i| CString::new(i.as_os_str().as_bytes()).unwrap().into_raw())
.collect();
let ret = unsafe { c::bch2_fs_open(devs[..].as_ptr(), devs.len() as u32, opts) };
- errptr_to_result(ret).map(|fs| Fs { raw: fs})
+ errptr_to_result(ret).map(|fs| Fs { raw: fs })
}
}
impl Drop for Fs {
fn drop(&mut self) {
unsafe { c::bch2_fs_stop(self.raw) }
- }
+ }
}
diff --git a/bch_bindgen/src/lib.rs b/bch_bindgen/src/lib.rs
index b31b1a61..b68f2d9b 100644
--- a/bch_bindgen/src/lib.rs
+++ b/bch_bindgen/src/lib.rs
@@ -1,11 +1,11 @@
pub mod bcachefs;
-pub mod btree;
pub mod bkey;
+pub mod btree;
pub mod errcode;
-pub mod keyutils;
-pub mod sb_io;
pub mod fs;
+pub mod keyutils;
pub mod opts;
+pub mod sb_io;
pub use paste::paste;
pub mod c {
@@ -15,15 +15,19 @@ pub mod c {
use c::bpos as Bpos;
pub const fn spos(inode: u64, offset: u64, snapshot: u32) -> Bpos {
- Bpos { inode, offset, snapshot }
+ Bpos {
+ inode,
+ offset,
+ snapshot,
+ }
}
pub const fn pos(inode: u64, offset: u64) -> Bpos {
spos(inode, offset, 0)
}
-pub const POS_MIN: Bpos = spos(0, 0, 0);
-pub const POS_MAX: Bpos = spos(u64::MAX, u64::MAX, 0);
+pub const POS_MIN: Bpos = spos(0, 0, 0);
+pub const POS_MAX: Bpos = spos(u64::MAX, u64::MAX, 0);
pub const SPOS_MAX: Bpos = spos(u64::MAX, u64::MAX, u32::MAX);
use std::cmp::Ordering;
@@ -44,14 +48,15 @@ impl PartialOrd for Bpos {
impl Ord for Bpos {
fn cmp(&self, other: &Self) -> Ordering {
- let l_inode = self.inode;
- let r_inode = other.inode;
- let l_offset = self.offset;
- let r_offset = other.offset;
- let l_snapshot = self.snapshot;
- let r_snapshot = other.snapshot;
-
- l_inode.cmp(&r_inode)
+ let l_inode = self.inode;
+ let r_inode = other.inode;
+ let l_offset = self.offset;
+ let r_offset = other.offset;
+ let l_snapshot = self.snapshot;
+ let r_snapshot = other.snapshot;
+
+ l_inode
+ .cmp(&r_inode)
.then(l_offset.cmp(&r_offset))
.then(l_snapshot.cmp(&r_snapshot))
}
@@ -68,9 +73,9 @@ impl fmt::Display for c::btree_id {
}
}
-use std::str::FromStr;
use std::ffi::CString;
-use std::{path::Path,os::unix::ffi::OsStrExt};
+use std::str::FromStr;
+use std::{os::unix::ffi::OsStrExt, path::Path};
pub fn path_to_cstr<P: AsRef<Path>>(p: P) -> CString {
CString::new(p.as_ref().as_os_str().as_bytes()).unwrap()
@@ -95,8 +100,7 @@ impl fmt::Display for BchToolsErr {
}
}
-impl Error for BchToolsErr {
-}
+impl Error for BchToolsErr {}
impl FromStr for c::btree_id {
type Err = BchToolsErr;
@@ -105,7 +109,13 @@ impl FromStr for c::btree_id {
let s = CString::new(s).unwrap();
let p = s.as_ptr();
- let v = unsafe {c::match_string(c::__bch2_btree_ids[..].as_ptr(), (-(1 as isize)) as usize, p)};
+ let v = unsafe {
+ c::match_string(
+ c::__bch2_btree_ids[..].as_ptr(),
+ (-(1 as isize)) as usize,
+ p,
+ )
+ };
if v >= 0 {
Ok(unsafe { std::mem::transmute(v) })
} else {
@@ -121,7 +131,9 @@ impl FromStr for c::bch_bkey_type {
let s = CString::new(s).unwrap();
let p = s.as_ptr();
- let v = unsafe {c::match_string(c::bch2_bkey_types[..].as_ptr(), (-(1 as isize)) as usize, p)};
+ let v = unsafe {
+ c::match_string(c::bch2_bkey_types[..].as_ptr(), (-(1 as isize)) as usize, p)
+ };
if v >= 0 {
Ok(unsafe { std::mem::transmute(v) })
} else {
@@ -142,7 +154,7 @@ impl c::printbuf {
impl Drop for c::printbuf {
fn drop(&mut self) {
unsafe { c::bch2_printbuf_exit(self) }
- }
+ }
}
impl fmt::Display for Bpos {
@@ -150,7 +162,7 @@ impl fmt::Display for Bpos {
let mut buf = c::printbuf::new();
unsafe { c::bch2_bpos_to_text(&mut buf, *self) };
-
+
let s = unsafe { CStr::from_ptr(buf.buf) };
let s = s.to_str().unwrap();
write!(f, "{}", s)
@@ -178,16 +190,22 @@ impl FromStr for c::bpos {
let off_str = fields.next().ok_or(BchToolsErr::InvalidBpos)?;
let snp_str = fields.next();
- let ino: u64 = ino_str.parse().map_err(|_| BchToolsErr::InvalidBpos)?;
- let off: u64 = off_str.parse().map_err(|_| BchToolsErr::InvalidBpos)?;
- let snp: u32 = snp_str.map(|s| s.parse().ok()).flatten().unwrap_or(0);
+ let ino: u64 = ino_str.parse().map_err(|_| BchToolsErr::InvalidBpos)?;
+ let off: u64 = off_str.parse().map_err(|_| BchToolsErr::InvalidBpos)?;
+ let snp: u32 = snp_str.map(|s| s.parse().ok()).flatten().unwrap_or(0);
- Ok(c::bpos { inode: ino, offset: off, snapshot: snp })
+ Ok(c::bpos {
+ inode: ino,
+ offset: off,
+ snapshot: snp,
+ })
}
}
pub fn printbuf_to_formatter<F>(f: &mut fmt::Formatter<'_>, func: F) -> fmt::Result
- where F: Fn(*mut c::printbuf) {
+where
+ F: Fn(*mut c::printbuf),
+{
let mut buf = c::printbuf::new();
func(&mut buf);
diff --git a/bch_bindgen/src/sb_io.rs b/bch_bindgen/src/sb_io.rs
index 44278f85..7537560b 100644
--- a/bch_bindgen/src/sb_io.rs
+++ b/bch_bindgen/src/sb_io.rs
@@ -1,8 +1,8 @@
-use anyhow::anyhow;
-use crate::path_to_cstr;
use crate::bcachefs;
use crate::bcachefs::*;
use crate::errcode::bch_errcode;
+use crate::path_to_cstr;
+use anyhow::anyhow;
pub fn read_super_opts(
path: &std::path::Path,
@@ -11,7 +11,8 @@ pub fn read_super_opts(
let path = path_to_cstr(path);
let mut sb = std::mem::MaybeUninit::zeroed();
- let ret = unsafe { crate::bcachefs::bch2_read_super(path.as_ptr(), &mut opts, sb.as_mut_ptr()) };
+ let ret =
+ unsafe { crate::bcachefs::bch2_read_super(path.as_ptr(), &mut opts, sb.as_mut_ptr()) };
if ret != 0 {
let err: bch_errcode = unsafe { ::std::mem::transmute(ret) };
@@ -33,7 +34,9 @@ pub fn read_super_silent(
let path = path_to_cstr(path);
let mut sb = std::mem::MaybeUninit::zeroed();
- let ret = unsafe { crate::bcachefs::bch2_read_super_silent(path.as_ptr(), &mut opts, sb.as_mut_ptr()) };
+ let ret = unsafe {
+ crate::bcachefs::bch2_read_super_silent(path.as_ptr(), &mut opts, sb.as_mut_ptr())
+ };
if ret != 0 {
let err: bch_errcode = unsafe { ::std::mem::transmute(ret) };
diff --git a/rustfmt.toml b/rustfmt.toml
index 42f2ad7c..83b9248a 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,3 +1,5 @@
# Default settings, i.e. idiomatic rust
edition = "2021"
-newline_style = "Unix" \ No newline at end of file
+newline_style = "Unix"
+enum_discrim_align_threshold = 20
+struct_field_align_threshold = 20
diff --git a/src/bcachefs.rs b/src/bcachefs.rs
index e8099ffa..d201acfd 100644
--- a/src/bcachefs.rs
+++ b/src/bcachefs.rs
@@ -1,11 +1,11 @@
-mod wrappers;
mod commands;
mod key;
+mod wrappers;
use std::ffi::{c_char, CString};
-use commands::logger::SimpleLogger;
use bch_bindgen::c;
+use commands::logger::SimpleLogger;
#[derive(Debug)]
pub struct ErrnoError(pub errno::Errno);
@@ -25,10 +25,7 @@ fn handle_c_command(mut argv: Vec<String>, symlink_cmd: Option<&str>) -> i32 {
let argc: i32 = argv.len().try_into().unwrap();
- let argv: Vec<_> = argv
- .into_iter()
- .map(|s| CString::new(s).unwrap())
- .collect();
+ let argv: Vec<_> = argv.into_iter().map(|s| CString::new(s).unwrap()).collect();
let mut argv = argv
.into_iter()
.map(|s| Box::into_raw(s.into_boxed_c_str()) as *mut c_char)
@@ -41,7 +38,7 @@ fn handle_c_command(mut argv: Vec<String>, symlink_cmd: Option<&str>) -> i32 {
"--help" => {
c::bcachefs_usage();
0
- },
+ }
"data" => c::data_cmds(argc, argv),
"device" => c::device_cmds(argc, argv),
"dump" => c::cmd_dump(argc, argv),
diff --git a/src/commands/list.rs b/src/commands/list.rs
index fd61a516..082c9dc4 100644
--- a/src/commands/list.rs
+++ b/src/commands/list.rs
@@ -1,20 +1,23 @@
-use log::{error};
use bch_bindgen::bcachefs;
-use bch_bindgen::opt_set;
-use bch_bindgen::fs::Fs;
use bch_bindgen::bkey::BkeySC;
-use bch_bindgen::btree::BtreeTrans;
use bch_bindgen::btree::BtreeIter;
-use bch_bindgen::btree::BtreeNodeIter;
use bch_bindgen::btree::BtreeIterFlags;
-use clap::{Parser};
+use bch_bindgen::btree::BtreeNodeIter;
+use bch_bindgen::btree::BtreeTrans;
+use bch_bindgen::fs::Fs;
+use bch_bindgen::opt_set;
+use clap::Parser;
+use log::error;
use std::io::{stdout, IsTerminal};
fn list_keys(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
let trans = BtreeTrans::new(fs);
- let mut iter = BtreeIter::new(&trans, opt.btree, opt.start,
- BtreeIterFlags::ALL_SNAPSHOTS|
- BtreeIterFlags::PREFETCH);
+ let mut iter = BtreeIter::new(
+ &trans,
+ opt.btree,
+ opt.start,
+ BtreeIterFlags::ALL_SNAPSHOTS | BtreeIterFlags::PREFETCH,
+ );
while let Some(k) = iter.peek_and_restart()? {
if k.k.p > opt.end {
@@ -37,9 +40,14 @@ fn list_keys(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
fn list_btree_formats(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
let trans = BtreeTrans::new(fs);
- let mut iter = BtreeNodeIter::new(&trans, opt.btree, opt.start,
- 0, opt.level,
- BtreeIterFlags::PREFETCH);
+ let mut iter = BtreeNodeIter::new(
+ &trans,
+ opt.btree,
+ opt.start,
+ 0,
+ opt.level,
+ BtreeIterFlags::PREFETCH,
+ );
while let Some(b) = iter.peek_and_restart()? {
if b.key.k.p > opt.end {
@@ -55,9 +63,14 @@ fn list_btree_formats(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
fn list_btree_nodes(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
let trans = BtreeTrans::new(fs);
- let mut iter = BtreeNodeIter::new(&trans, opt.btree, opt.start,
- 0, opt.level,
- BtreeIterFlags::PREFETCH);
+ let mut iter = BtreeNodeIter::new(
+ &trans,
+ opt.btree,
+ opt.start,
+ 0,
+ opt.level,
+ BtreeIterFlags::PREFETCH,
+ );
while let Some(b) = iter.peek_and_restart()? {
if b.key.k.p > opt.end {
@@ -73,9 +86,14 @@ fn list_btree_nodes(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
fn list_nodes_ondisk(fs: &Fs, opt: Cli) -> anyhow::Result<()> {
let trans = BtreeTrans::new(fs);
- let mut iter = BtreeNodeIter::new(&trans, opt.btree, opt.start,
- 0, opt.level,
- BtreeIterFlags::PREFETCH);
+ let mut iter = BtreeNodeIter::new(
+ &trans,
+ opt.btree,
+ opt.start,
+ 0,
+ opt.level,
+ BtreeIterFlags::PREFETCH,
+ );
while let Some(b) = iter.peek_and_restart()? {
if b.key.k.p > opt.end {
@@ -102,69 +120,77 @@ enum Mode {
pub struct Cli {
/// Btree to list from
#[arg(short, long, default_value_t=bcachefs::btree_id::BTREE_ID_extents)]
- btree: bcachefs::btree_id,
+ btree: bcachefs::btree_id,
/// Bkey type to list
- #[arg(short='k', long)]
- bkey_type: Option<bcachefs::bch_bkey_type>,
+ #[arg(short = 'k', long)]
+ bkey_type: Option<bcachefs::bch_bkey_type>,
/// Btree depth to descend to (0 == leaves)
- #[arg(short, long, default_value_t=0)]
- level: u32,
+ #[arg(short, long, default_value_t = 0)]
+ level: u32,
/// Start position to list from
- #[arg(short, long, default_value="POS_MIN")]
- start: bcachefs::bpos,
+ #[arg(short, long, default_value = "POS_MIN")]
+ start: bcachefs::bpos,
/// End position
- #[arg(short, long, default_value="SPOS_MAX")]
- end: bcachefs::bpos,
+ #[arg(short, long, default_value = "SPOS_MAX")]
+ end: bcachefs::bpos,
- #[arg(short, long, default_value="keys")]
- mode: Mode,
+ #[arg(short, long, default_value = "keys")]
+ mode: Mode,
/// Check (fsck) the filesystem first
#[arg(short, long)]
- fsck: bool,
+ fsck: bool,
/// Force color on/off. Default: autodetect tty
#[arg(short, long, action = clap::ArgAction::Set, default_value_t=stdout().is_terminal())]
- colorize: bool,
+ colorize: bool,
/// Verbose mode
#[arg(short, long)]
- verbose: bool,
+ verbose: bool,
#[arg(required(true))]
- devices: Vec<std::path::PathBuf>,
+ devices: Vec<std::path::PathBuf>,
}
fn cmd_list_inner(opt: Cli) -> anyhow::Result<()> {
let mut fs_opts: bcachefs::bch_opts = Default::default();
- opt_set!(fs_opts, nochanges, 1);
- opt_set!(fs_opts, read_only, 1);
- opt_set!(fs_opts, norecovery, 1);
- opt_set!(fs_opts, degraded, 1);
- opt_set!(fs_opts, very_degraded, 1);
- opt_set!(fs_opts, errors, bcachefs::bch_error_actions::BCH_ON_ERROR_continue as u8);
+ opt_set!(fs_opts, nochanges, 1);
+ opt_set!(fs_opts, read_only, 1);
+ opt_set!(fs_opts, norecovery, 1);
+ opt_set!(fs_opts, degraded, 1);
+ opt_set!(fs_opts, very_degraded, 1);
+ opt_set!(
+ fs_opts,
+ errors,
+ bcachefs::bch_error_actions::BCH_ON_ERROR_continue as u8
+ );
if opt.fsck {
- opt_set!(fs_opts, fix_errors, bcachefs::fsck_err_opts::FSCK_FIX_yes as u8);
- opt_set!(fs_opts, norecovery, 0);
+ opt_set!(
+ fs_opts,
+ fix_errors,
+ bcachefs::fsck_err_opts::FSCK_FIX_yes as u8
+ );
+ opt_set!(fs_opts, norecovery, 0);
}
if opt.verbose {
- opt_set!(fs_opts, verbose, 1);
+ opt_set!(fs_opts, verbose, 1);
}
let fs = Fs::open(&opt.devices, fs_opts)?;
match opt.mode {
- Mode::Keys => list_keys(&fs, opt),
- Mode::Formats => list_btree_formats(&fs, opt),
- Mode::Nodes => list_btree_nodes(&fs, opt),
- Mode::NodesOndisk => list_nodes_ondisk(&fs, opt),
+ Mode::Keys => list_keys(&fs, opt),
+ Mode::Formats => list_btree_formats(&fs, opt),
+ Mode::Nodes => list_btree_nodes(&fs, opt),
+ Mode::NodesOndisk => list_nodes_ondisk(&fs, opt),
}
}
diff --git a/src/commands/mod.rs b/src/commands/mod.rs
index c7645926..07c25966 100644
--- a/src/commands/mod.rs
+++ b/src/commands/mod.rs
@@ -1,14 +1,14 @@
use clap::Subcommand;
+pub mod completions;
+pub mod list;
pub mod logger;
pub mod mount;
-pub mod list;
-pub mod completions;
pub mod subvolume;
-pub use mount::mount;
-pub use list::list;
pub use completions::completions;
+pub use list::list;
+pub use mount::mount;
pub use subvolume::subvolume;
#[derive(clap::Parser, Debug)]
diff --git a/src/commands/mount.rs b/src/commands/mount.rs
index 79667cca..f8edf9bc 100644
--- a/src/commands/mount.rs
+++ b/src/commands/mount.rs
@@ -1,14 +1,14 @@
-use bch_bindgen::{path_to_cstr, bcachefs, bcachefs::bch_sb_handle, opt_set};
-use log::{info, debug, error, LevelFilter};
-use std::collections::HashMap;
+use crate::key;
+use crate::key::UnlockPolicy;
+use bch_bindgen::{bcachefs, bcachefs::bch_sb_handle, opt_set, path_to_cstr};
use clap::Parser;
-use uuid::Uuid;
+use log::{debug, error, info, LevelFilter};
+use std::collections::HashMap;
+use std::ffi::{c_char, c_void, CString};
use std::io::{stdout, IsTerminal};
use std::path::{Path, PathBuf};
-use std::{fs, str, env};
-use crate::key;
-use crate::key::UnlockPolicy;
-use std::ffi::{CString, c_char, c_void};
+use std::{env, fs, str};
+use uuid::Uuid;
fn mount_inner(
src: String,
@@ -17,7 +17,6 @@ fn mount_inner(
mountflags: libc::c_ulong,
data: Option<String>,
) -> anyhow::Result<()> {
-
// bind the CStrings to keep them alive
let src = CString::new(src)?;
let target = path_to_cstr(target);
@@ -52,22 +51,22 @@ fn parse_mount_options(options: impl AsRef<str>) -> (Option<String>, libc::c_ulo
.as_ref()
.split(',')
.map(|o| match o {
- "dirsync" => Left(libc::MS_DIRSYNC),
- "lazytime" => Left(1 << 25), // MS_LAZYTIME
- "mand" => Left(libc::MS_MANDLOCK),
- "noatime" => Left(libc::MS_NOATIME),
- "nodev" => Left(libc::MS_NODEV),
- "nodiratime" => Left(libc::MS_NODIRATIME),
- "noexec" => Left(libc::MS_NOEXEC),
- "nosuid" => Left(libc::MS_NOSUID),
- "relatime" => Left(libc::MS_RELATIME),
- "remount" => Left(libc::MS_REMOUNT),
- "ro" => Left(libc::MS_RDONLY),
- "rw" => Left(0),
- "strictatime" => Left(libc::MS_STRICTATIME),
- "sync" => Left(libc::MS_SYNCHRONOUS),
- "" => Left(0),
- o => Right(o),
+ "dirsync" => Left(libc::MS_DIRSYNC),
+ "lazytime" => Left(1 << 25), // MS_LAZYTIME
+ "mand" => Left(libc::MS_MANDLOCK),
+ "noatime" => Left(libc::MS_NOATIME),
+ "nodev" => Left(libc::MS_NODEV),
+ "nodiratime" => Left(libc::MS_NODIRATIME),
+ "noexec" => Left(libc::MS_NOEXEC),
+ "nosuid" => Left(libc::MS_NOSUID),
+ "relatime" => Left(libc::MS_RELATIME),
+ "remount" => Left(libc::MS_REMOUNT),
+ "ro" => Left(libc::MS_RDONLY),
+ "rw" => Left(0),
+ "strictatime" => Left(libc::MS_STRICTATIME),
+ "sync" => Left(libc::MS_SYNCHRONOUS),
+ "" => Left(0),
+ o => Right(o),
})
.fold((Vec::new(), 0), |(mut opts, flags), next| match next {
Left(f) => (opts, flags | f),
@@ -235,7 +234,7 @@ pub struct Cli {
/// by the specified passphrase file; it is decrypted. (i.e. Regardless
/// if "fail" is specified for key_location/unlock_policy.)
#[arg(short = 'f', long)]
- passphrase_file: Option<PathBuf>,
+ passphrase_file: Option<PathBuf>,
/// Password policy to use in case of encrypted filesystem.
///
@@ -243,28 +242,33 @@ pub struct Cli {
/// "fail" - don't ask for password, fail if filesystem is encrypted;
/// "wait" - wait for password to become available before mounting;
/// "ask" - prompt the user for password;
- #[arg(short = 'k', long = "key_location", default_value = "ask", verbatim_doc_comment)]
- unlock_policy: UnlockPolicy,
+ #[arg(
+ short = 'k',
+ long = "key_location",
+ default_value = "ask",
+ verbatim_doc_comment
+ )]
+ unlock_policy: UnlockPolicy,
/// Device, or UUID=\<UUID\>
- dev: String,
+ dev: String,
/// Where the filesystem should be mounted. If not set, then the filesystem
/// won't actually be mounted. But all steps preceeding mounting the
/// filesystem (e.g. asking for passphrase) will still be performed.
- mountpoint: Option<PathBuf>,
+ mountpoint: Option<PathBuf>,
/// Mount options
#[arg(short, default_value = "")]
- options: String,
+ options: String,
/// Force color on/off. Autodetect tty is used to define default:
#[arg(short, long, action = clap::ArgAction::Set, default_value_t=stdout().is_terminal())]
- colorize: bool,
+ colorize: bool,
/// Verbose mode
#[arg(short, long, action = clap::ArgAction::Count)]
- verbose: u8,
+ verbose: u8,
}
fn devs_str_sbs_from_uuid(
@@ -358,7 +362,10 @@ fn cmd_mount_inner(opt: Cli) -> anyhow::Result<()> {
{
// First by password_file, if available
let fallback_to_unlock_policy = if let Some(passphrase_file) = &opt.passphrase_file {
- match key::read_from_passphrase_file(&block_devices_to_mount[0], passphrase_file.as_path()) {
+ match key::read_from_passphrase_file(
+ &block_devices_to_mount[0],
+ passphrase_file.as_path(),
+ ) {
Ok(()) => {
// Decryption succeeded
false
@@ -391,8 +398,7 @@ fn cmd_mount_inner(opt: Cli) -> anyhow::Result<()> {
} else {
info!(
"would mount with params: device: {}, options: {}",
- devices,
- &opt.options
+ devices, &opt.options
);
}
diff --git a/src/commands/subvolume.rs b/src/commands/subvolume.rs
index 5f7cdc76..0691e34d 100644
--- a/src/commands/subvolume.rs
+++ b/src/commands/subvolume.rs
@@ -17,13 +17,13 @@ enum Subcommands {
#[command(visible_aliases = ["new"])]
Create {
/// Paths
- targets: Vec<PathBuf>
+ targets: Vec<PathBuf>,
},
#[command(visible_aliases = ["del"])]
Delete {
/// Path
- target: PathBuf
+ target: PathBuf,
},
#[command(allow_missing_positional = true, visible_aliases = ["snap"])]
@@ -31,9 +31,9 @@ enum Subcommands {
/// Make snapshot read only
#[arg(long, short)]
read_only: bool,
- source: Option<PathBuf>,
- dest: PathBuf
- }
+ source: Option<PathBuf>,
+ dest: PathBuf,
+ },
}
pub fn subvolume(argv: Vec<String>) -> i32 {
@@ -44,24 +44,42 @@ pub fn subvolume(argv: Vec<String>) -> i32 {
for target in targets {
if let Some(dirname) = target.parent() {
let fs = unsafe { BcachefsHandle::open(dirname) };
- fs.create_subvolume(target).expect("Failed to create the subvolume");
+ fs.create_subvolume(target)
+ .expect("Failed to create the subvolume");
}
}
}
- ,
Subcommands::Delete { target } => {
if let Some(dirname) = target.parent() {
let fs = unsafe { BcachefsHandle::open(dirname) };
- fs.delete_subvolume(target).expect("Failed to delete the subvolume");
+ fs.delete_subvolume(target)
+ .expect("Failed to delete the subvolume");
}
- },
- Subcommands::Snapshot { read_only, source, dest } => {
+ }
+ Subcommands::Snapshot {
+ read_only,
+ source,
+ dest,
+ } => {
if let Some(dirname) = dest.parent() {
let dot = PathBuf::from(".");
- let dir = if dirname.as_os_str().is_empty() { &dot } else { dirname };
+ let dir = if dirname.as_os_str().is_empty() {
+ &dot
+ } else {
+ dirname
+ };
let fs = unsafe { BcachefsHandle::open(dir) };
- fs.snapshot_subvolume(if read_only { BCH_SUBVOL_SNAPSHOT_RO } else { 0x0 }, source, dest).expect("Failed to snapshot the subvolume");
+ fs.snapshot_subvolume(
+ if read_only {
+ BCH_SUBVOL_SNAPSHOT_RO
+ } else {
+ 0x0
+ },
+ source,
+ dest,
+ )
+ .expect("Failed to snapshot the subvolume");
}
}
}
diff --git a/src/key.rs b/src/key.rs
index c20103b5..b8ddcd02 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -1,10 +1,13 @@
-use std::{fmt, fs, io::{stdin, IsTerminal}};
+use std::{
+ fmt, fs,
+ io::{stdin, IsTerminal},
+};
-use log::info;
-use bch_bindgen::bcachefs::bch_sb_handle;
-use clap::builder::PossibleValue;
use crate::c_str;
use anyhow::anyhow;
+use bch_bindgen::bcachefs::bch_sb_handle;
+use clap::builder::PossibleValue;
+use log::info;
#[derive(Clone, Debug)]
pub enum UnlockPolicy {
@@ -18,11 +21,11 @@ impl std::str::FromStr for UnlockPolicy {
type Err = anyhow::Error;
fn from_str(s: &str) -> anyhow::Result<Self> {
match s {
- ""|"none" => Ok(UnlockPolicy::None),
- "fail" => Ok(UnlockPolicy::Fail),
- "wait" => Ok(UnlockPolicy::Wait),
- "ask" => Ok(UnlockPolicy::Ask),
- _ => Err(anyhow!("Invalid unlock policy provided")),
+ "" | "none" => Ok(UnlockPolicy::None),
+ "fail" => Ok(UnlockPolicy::Fail),
+ "wait" => Ok(UnlockPolicy::Wait),
+ "ask" => Ok(UnlockPolicy::Ask),
+ _ => Err(anyhow!("Invalid unlock policy provided")),
}
}
}
@@ -152,18 +155,32 @@ fn unlock_master_key(sb: &bch_sb_handle, passphrase: &str) -> anyhow::Result<()>
}
}
-pub fn read_from_passphrase_file(block_device: &bch_sb_handle, passphrase_file: &std::path::Path) -> anyhow::Result<()> {
+pub fn read_from_passphrase_file(
+ block_device: &bch_sb_handle,
+ passphrase_file: &std::path::Path,
+) -> anyhow::Result<()> {
// Attempts to unlock the master key by password_file
// Return true if unlock was successful, false otherwise
- info!("Attempting to unlock master key for filesystem {}, using password from file {}", block_device.sb().uuid(), passphrase_file.display());
+ info!(
+ "Attempting to unlock master key for filesystem {}, using password from file {}",
+ block_device.sb().uuid(),
+ passphrase_file.display()
+ );
// Read the contents of the password_file into a string
let passphrase = fs::read_to_string(passphrase_file)?;
// Call decrypt_master_key with the read string
unlock_master_key(block_device, &passphrase)
}
-pub fn apply_key_unlocking_policy(block_device: &bch_sb_handle, unlock_policy: UnlockPolicy) -> anyhow::Result<()> {
- info!("Attempting to unlock master key for filesystem {}, using unlock policy {}", block_device.sb().uuid(), unlock_policy);
+pub fn apply_key_unlocking_policy(
+ block_device: &bch_sb_handle,
+ unlock_policy: UnlockPolicy,
+) -> anyhow::Result<()> {
+ info!(
+ "Attempting to unlock master key for filesystem {}, using unlock policy {}",
+ block_device.sb().uuid(),
+ unlock_policy
+ );
match unlock_policy {
UnlockPolicy::Fail => Err(anyhow!("no passphrase available")),
UnlockPolicy::Wait => Ok(wait_for_unlock(&block_device.sb().uuid())?),
diff --git a/src/wrappers/handle.rs b/src/wrappers/handle.rs
index 50023745..fa065dec 100644
--- a/src/wrappers/handle.rs
+++ b/src/wrappers/handle.rs
@@ -1,13 +1,16 @@
use std::path::Path;
-use bch_bindgen::c::{bchfs_handle, BCH_IOCTL_SUBVOLUME_CREATE, BCH_IOCTL_SUBVOLUME_DESTROY, bch_ioctl_subvolume, bcache_fs_open, BCH_SUBVOL_SNAPSHOT_CREATE, bcache_fs_close};
+use bch_bindgen::c::{
+ bcache_fs_close, bcache_fs_open, bch_ioctl_subvolume, bchfs_handle, BCH_IOCTL_SUBVOLUME_CREATE,
+ BCH_IOCTL_SUBVOLUME_DESTROY, BCH_SUBVOL_SNAPSHOT_CREATE,
+};
use bch_bindgen::path_to_cstr;
use errno::Errno;
/// A handle to a bcachefs filesystem
/// This can be used to send [`libc::ioctl`] to the underlying filesystem.
pub(crate) struct BcachefsHandle {
- inner: bchfs_handle
+ inner: bchfs_handle,
}
impl BcachefsHandle {
@@ -16,13 +19,13 @@ impl BcachefsHandle {
pub(crate) unsafe fn open<P: AsRef<Path>>(path: P) -> Self {
let path = path_to_cstr(path);
Self {
- inner: bcache_fs_open(path.as_ptr())
+ inner: bcache_fs_open(path.as_ptr()),
}
}
}
/// I/O control commands that can be sent to a bcachefs filesystem
-/// Those are non-exhaustive
+/// Those are non-exhaustive
#[repr(u32)]
#[non_exhaustive]
pub enum BcachefsIoctl {
@@ -39,14 +42,18 @@ pub enum BcachefsIoctlPayload {
impl From<&BcachefsIoctlPayload> for *const libc::c_void {
fn from(value: &BcachefsIoctlPayload) -> Self {
match value {
- BcachefsIoctlPayload::Subvolume(p) => p as *const _ as *const libc::c_void
+ BcachefsIoctlPayload::Subvolume(p) => p as *const _ as *const libc::c_void,
}
}
}
impl BcachefsHandle {
/// Type-safe [`libc::ioctl`] for bcachefs filesystems
- pub fn ioctl(&self, request: BcachefsIoctl, payload: &BcachefsIoctlPayload) -> Result<(), Errno> {
+ pub fn ioctl(
+ &self,
+ request: BcachefsIoctl,
+ payload: &BcachefsIoctlPayload,
+ ) -> Result<(), Errno> {
let payload_ptr: *const libc::c_void = payload.into();
let ret = unsafe { libc::ioctl(self.inner.ioctl_fd, request as libc::Ioctl, payload_ptr) };
@@ -61,41 +68,55 @@ impl BcachefsHandle {
/// at the given path
pub fn create_subvolume<P: AsRef<Path>>(&self, dst: P) -> Result<(), Errno> {
let dst = path_to_cstr(dst);
- self.ioctl(BcachefsIoctl::SubvolumeCreate, &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
- dirfd: libc::AT_FDCWD as u32,
- mode: 0o777,
- dst_ptr: dst.as_ptr() as u64,
- ..Default::default()
- }))
+ self.ioctl(
+ BcachefsIoctl::SubvolumeCreate,
+ &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
+ dirfd: libc::AT_FDCWD as u32,
+ mode: 0o777,
+ dst_ptr: dst.as_ptr() as u64,
+ ..Default::default()
+ }),
+ )
}
/// Delete the subvolume at the given path
/// for this bcachefs filesystem
pub fn delete_subvolume<P: AsRef<Path>>(&self, dst: P) -> Result<(), Errno> {
let dst = path_to_cstr(dst);
- self.ioctl(BcachefsIoctl::SubvolumeDestroy, &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
- dirfd: libc::AT_FDCWD as u32,
- mode: 0o777,
- dst_ptr: dst.as_ptr() as u64,
- ..Default::default()
- }))
+ self.ioctl(
+ BcachefsIoctl::SubvolumeDestroy,
+ &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
+ dirfd: libc::AT_FDCWD as u32,
+ mode: 0o777,
+ dst_ptr: dst.as_ptr() as u64,
+ ..Default::default()
+ }),
+ )
}
/// Snapshot a subvolume for this bcachefs filesystem
/// at the given path
- pub fn snapshot_subvolume<P: AsRef<Path>>(&self, extra_flags: u32, src: Option<P>, dst: P) -> Result<(), Errno> {
+ pub fn snapshot_subvolume<P: AsRef<Path>>(
+ &self,
+ extra_flags: u32,
+ src: Option<P>,
+ dst: P,
+ ) -> Result<(), Errno> {
let src = src.map(|src| path_to_cstr(src));
let dst = path_to_cstr(dst);
- let res = self.ioctl(BcachefsIoctl::SubvolumeCreate, &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
- flags: BCH_SUBVOL_SNAPSHOT_CREATE | extra_flags,
- dirfd: libc::AT_FDCWD as u32,
- mode: 0o777,
- src_ptr: src.as_ref().map_or(0, |x| x.as_ptr() as u64),
- //src_ptr: if let Some(src) = src { src.as_ptr() } else { std::ptr::null() } as u64,
- dst_ptr: dst.as_ptr() as u64,
- ..Default::default()
- }));
+ let res = self.ioctl(
+ BcachefsIoctl::SubvolumeCreate,
+ &BcachefsIoctlPayload::Subvolume(bch_ioctl_subvolume {
+ flags: BCH_SUBVOL_SNAPSHOT_CREATE | extra_flags,
+ dirfd: libc::AT_FDCWD as u32,
+ mode: 0o777,
+ src_ptr: src.as_ref().map_or(0, |x| x.as_ptr() as u64),
+ //src_ptr: if let Some(src) = src { src.as_ptr() } else { std::ptr::null() } as u64,
+ dst_ptr: dst.as_ptr() as u64,
+ ..Default::default()
+ }),
+ );
drop(src);
drop(dst);