introduce "list_bkeys" command

This introduces a new command, "list_bkeys", which is used to list the
known bkey types as well as their fields. This will be used by debug
tooling introduced in a subsequent change.

Signed-off-by: Thomas Bertschinger <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>

Cargo.toml

@@ -25,6 +25,10 @@ byteorder = "1.3"
 strum = { version = "0.26", features = ["derive"] }
 strum_macros = "0.26"
 zeroize = { version = "1", features = ["std", "zeroize_derive"] }
+gimli = "0.29.0"
+object = "0.35.0"
+memmap2 = "0.9.4"
+nom = "7.1.3"
 
 [dependencies.env_logger]
 version = "0.10"

src/bcachefs.rs

@@ -28,9 +28,8 @@ 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 = argv.into_iter().map(|s| CString::new(s).unwrap());
     let mut argv = argv
-        .into_iter()
         .map(|s| Box::into_raw(s.into_boxed_c_str()).cast::<c_char>())
         .collect::<Box<[*mut c_char]>>();
     let argv = argv.as_mut_ptr();
@@ -108,6 +107,7 @@ fn main() -> ExitCode {
             ExitCode::SUCCESS
         }
         "list" => commands::list(args[1..].to_vec()).report(),
+        "list_bkeys" => commands::list_bkeys().report(),
         "mount" => commands::mount(args, symlink_cmd).report(),
         "subvolume" => commands::subvolume(args[1..].to_vec()).report(),
         _ => ExitCode::from(u8::try_from(handle_c_command(args, symlink_cmd)).unwrap()),