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bcachefs-tools/rust-src/README.md
Kent Overstreet 28f703cc25 Rust now integrated into bcachefs binary 
Rust is now required for building the bcachefs tool, and rust code is
now fully integrated with the C codebase - meaning it is possible to
call back and forth.

The mount helper is now a subcommand, 'mount.bcachefs' is now a small
shell wrapper that invokes 'bcachefs mount'.

This will make it easier to start rewriting other subcommands in rust,
and eventually the whole command line interface.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-02-21 01:03:08 -05:00

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Usage

bcachefs-mount 0.1.0
Mount a bcachefs filesystem by its UUID

USAGE:
    bcachefs-mount [OPTIONS] <uuid> <mountpoint>

FLAGS:
    -h, --help       
            Prints help information

    -V, --version    
            Prints version information


OPTIONS:
    -o <options>                 
            Mount options [default: ]

    -p, --password <password>    
            Where the password would be loaded from.
            
            Possible values are: "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; [default: fail]

ARGS:
    <uuid>          
            External UUID of the bcachefs filesystem

    <mountpoint>    
            Where the filesystem should be mounted

Caveats

  • --password ask is not yet implemented, but you can use --password wait, and load the key with bcachefs unlock.

Build

$ git submodule update --init --recursive
$ cargo build --release

Binary will be built in target/release/bcachefs-mount

Dependencies:

  • rust
  • blkid
  • uuid
  • liburcu
  • libsodium
  • zlib
  • liblz4
  • libzstd
  • libkeyutils