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bcachefs-tools/rust-src
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TruongSinh Tran-Nguyen 9ee211eaca feat(cmd_mount): Add support for magic keyword OLD_BLKID_UUID 
This commit enhances mount sub command by allowing it to accept
`OLD_BLKID_UUID=xxx` as the device, enabling whole fs mounting without relying
on colon-separated devices.

Using colon-separated devices in fstab is discouraged due to potential device
reference issues after reboot. Additionally, using `UUID=xxx` in fstab or with
`mount -t bcachefs` is currently infeasible as it depends on blkid, which prior
to v2.39, does not recognize bcachefs. This update enables mounting via fstab
using `OLD_BLKID_UUID=xxx` as obtained from `bcachefs show-super` "External
UUID".

Signed-off-by: TruongSinh Tran-Nguyen <i@truongsinh.pro>
2023-04-26 17:46:23 -04:00
..
bch_bindgen chore: logger for idiomatic style and expanded logging levels 2023-04-26 17:46:23 -04:00
src feat(cmd_mount): Add support for magic keyword OLD_BLKID_UUID 2023-04-26 17:46:23 -04:00
.gitignore Rust now integrated into bcachefs binary 2023-02-21 01:03:08 -05:00
Cargo.lock rust: Filesystem options now supported 2023-02-28 06:15:48 -05:00
Cargo.toml chore: logger for idiomatic style and expanded logging levels 2023-04-26 17:46:23 -04:00
README.md Rust now integrated into bcachefs binary 2023-02-21 01:03:08 -05:00
rustfmt.toml Rust now integrated into bcachefs binary 2023-02-21 01:03:08 -05:00

README.md

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