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Thomas Bertschinger 25e84a9917 rust: use libc::Ioctl type for ioctl() request argument 
The second argument to ioctl() can be defined as a different type by
different libc implementations, and can be a different size on different
architectures depending on what type it is defined as. For example,
glibc defines it as `unsigned long` which may have a different size on
32-bit vs. 64-bit architectures, and musl libc defines it as `int`.

The Rust libc crate exposes a type `libc::Ioctl` which is defined as the
appropriate integer type for the given libc implementation. Using this
type for the request argument to `libc::ioctl()` ensures code will
compile correctly regardless of architecture and libc implementation.

Also, because ioctl request numbers are defined to be 32 bits
(regardless of the fact that `unsigned long` might sometimes take 64
bits on some architectures), this patch changes the Rust representation
of the bcachefs ioctl numbers to u32 instead of u64.

Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-02-20 22:27:19 -05:00
.github move Rust sources to top level, C sources into c_src 2024-01-16 01:47:05 -05:00
bch_bindgen rust: use libc::Ioctl type for ioctl() request argument 2024-02-20 22:27:19 -05:00
c_src cmd_fsck: Collect return code of kernel fsck with close() 2024-02-17 23:31:47 -05:00
ccan Move c_src dirs back to toplevel 2024-01-16 17:17:23 -05:00
debian fix packaging 2023-12-10 12:16:00 -05:00
doc Add additional information about encryption 2023-07-10 16:03:30 -04:00
fsck fix fsck service location 2024-01-11 23:55:39 -08:00
include Update bcachefs sources to 9a555a741e80 bcachefs: omit alignment attribute on big endian struct bkey 2024-02-15 23:45:29 -05:00
initramfs Make initramfs hook install mount.bcachefs 2024-02-04 14:44:54 +01:00
libbcachefs Update bcachefs sources to c887148ebf99 thread_with_file: add f_ops.flush 2024-02-20 16:28:27 -05:00
linux Update bcachefs sources to bee7b5a4fa21 bcachefs: Pin btree cache in ram for random access in fsck 2024-02-09 21:32:46 -05:00
packaging packaging: Update RPM spec to use %_libexecdir for libexec files 2023-12-24 09:09:56 -05:00
raid Move c_src dirs back to toplevel 2024-01-16 17:17:23 -05:00
src rust: use libc::Ioctl type for ioctl() request argument 2024-02-20 22:27:19 -05:00
tests move Rust sources to top level, C sources into c_src 2024-01-16 01:47:05 -05:00
udev fix udev rules path 2023-12-06 15:41:05 -05:00
.bcachefs_revision Update bcachefs sources to c887148ebf99 thread_with_file: add f_ops.flush 2024-02-20 16:28:27 -05:00
.editorconfig
.gitignore Add bcachefs command compatibility symlink 2024-01-29 14:29:35 +01:00
bcachefs Add bcachefs command compatibility symlink 2024-01-29 14:29:35 +01:00
bcachefs.8 man: Fix cmd-option format 2023-11-27 21:04:03 -05:00
build.nix use upstream bindgen; fix packed and aligned types 2024-01-23 13:08:12 -05:00
build.rs Move c_src dirs back to toplevel 2024-01-16 17:17:23 -05:00
Cargo.lock Replace atty with stdlib 2024-02-07 21:27:35 +01:00
Cargo.toml Replace atty with stdlib 2024-02-07 21:27:35 +01:00
COPYING
default.nix nix: fix build add overlay and formatter to flake 2023-11-09 22:09:33 +01:00
flake.lock nix: fix build add overlay and formatter to flake 2023-11-09 22:09:33 +01:00
flake.nix nix: add bcachefs-fuse package 2023-11-20 15:13:17 -05:00
INSTALL.md docs: add llvm-config dependency for arch, fedora 2023-12-19 19:52:37 -05:00
make-release-tarball.sh move Rust sources to top level, C sources into c_src 2024-01-16 01:47:05 -05:00
Makefile v1.6.3 2024-02-20 18:42:07 -05:00
Makefile.compiler Update bcachefs sources to f9c612bbf82d bcachefs: Fixes for building in userspace 2023-09-23 20:03:23 -04:00
mount.bcachefs.sh
README.md doc(versioning): document version semantics of this project 2024-01-26 21:04:45 -05:00
rustfmt.toml move Rust sources to top level, C sources into c_src 2024-01-16 01:47:05 -05:00

README.md

bcachefs-tools

Userspace tools and docs for bcachefs

Bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness and the complete set of features one would expect from a modern filesystem.

This repo primarily consists of the following:

  • bcachefs tool, the reason this repo exists.
  • {mkfs,mount,fsck}.bcachefs utils, which is just wrappers calling the corresponding subcommands in the main tool
  • docs in the form of man-pages and a user manual

Please refer to the main site for getting started An in-depth user manual is (also) found on the official website

Version semantics

The tools relies on an expected disk format structure which is reflected by your current kernel version. Disk format can be upgraded or downgraded automatically by the kernel, if needed.

  • Any patch-level change means no disk format change
  • Any minor-level change means a potential disk format change which is not breaking
  • Any major-level change means breaking changes

Build and install

Refer to INSTALL.md

Bug reports and contributions