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    Subject[PATCH RFC 11/12] userns: Now that everything has been converted remove the unnecessary infrastructure
    From: "Eric W. Biederman" <ebiederm@xmission.com>

    In particular kill UIDGID_CONVERTED and UIDGID_STRICT_TYPE_CHECKS
    and have the code treat them as always true.

    Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    ---
    include/linux/posix_acl.h | 3 ---
    include/linux/projid.h | 15 ---------------
    include/linux/uidgid.h | 22 ----------------------
    init/Kconfig | 23 -----------------------
    4 files changed, 0 insertions(+), 63 deletions(-)

    diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
    index 7931efe..f0f7746 100644
    --- a/include/linux/posix_acl.h
    +++ b/include/linux/posix_acl.h
    @@ -39,9 +39,6 @@ struct posix_acl_entry {
    union {
    kuid_t e_uid;
    kgid_t e_gid;
    -#ifndef CONFIG_UIDGID_STRICT_TYPE_CHECKS
    - unsigned int e_id;
    -#endif
    };
    };

    diff --git a/include/linux/projid.h b/include/linux/projid.h
    index 36517b9..8c1f2c5 100644
    --- a/include/linux/projid.h
    +++ b/include/linux/projid.h
    @@ -18,8 +18,6 @@ extern struct user_namespace init_user_ns;

    typedef __kernel_uid32_t projid_t;

    -#ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
    -
    typedef struct {
    projid_t val;
    } kprojid_t;
    @@ -31,19 +29,6 @@ static inline projid_t __kprojid_val(kprojid_t projid)

    #define KPROJIDT_INIT(value) (kprojid_t){ value }

    -#else
    -
    -typedef projid_t kprojid_t;
    -
    -static inline projid_t __kprojid_val(kprojid_t projid)
    -{
    - return projid;
    -}
    -
    -#define KPROJIDT_INIT(value) ((kprojid_t) value )
    -
    -#endif
    -
    #define INVALID_PROJID KPROJIDT_INIT(-1)
    #define OVERFLOW_PROJID 65534

    diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h
    index 8e522cbc..2d1f9b6 100644
    --- a/include/linux/uidgid.h
    +++ b/include/linux/uidgid.h
    @@ -17,8 +17,6 @@
    struct user_namespace;
    extern struct user_namespace init_user_ns;

    -#ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
    -
    typedef struct {
    uid_t val;
    } kuid_t;
    @@ -41,26 +39,6 @@ static inline gid_t __kgid_val(kgid_t gid)
    return gid.val;
    }

    -#else
    -
    -typedef uid_t kuid_t;
    -typedef gid_t kgid_t;
    -
    -static inline uid_t __kuid_val(kuid_t uid)
    -{
    - return uid;
    -}
    -
    -static inline gid_t __kgid_val(kgid_t gid)
    -{
    - return gid;
    -}
    -
    -#define KUIDT_INIT(value) ((kuid_t) value )
    -#define KGIDT_INIT(value) ((kgid_t) value )
    -
    -#endif
    -
    #define GLOBAL_ROOT_UID KUIDT_INIT(0)
    #define GLOBAL_ROOT_GID KGIDT_INIT(0)

    diff --git a/init/Kconfig b/init/Kconfig
    index fb5e192..6c93bd8 100644
    --- a/init/Kconfig
    +++ b/init/Kconfig
    @@ -963,9 +963,6 @@ config IPC_NS
    config USER_NS
    bool "User namespace (EXPERIMENTAL)"
    depends on EXPERIMENTAL
    - depends on UIDGID_CONVERTED
    - select UIDGID_STRICT_TYPE_CHECKS
    -
    default n
    help
    This allows containers, i.e. vservers, to use user namespaces
    @@ -990,26 +987,6 @@ config NET_NS

    endif # NAMESPACES

    -config UIDGID_CONVERTED
    - # True if all of the selected software conmponents are known
    - # to have uid_t and gid_t converted to kuid_t and kgid_t
    - # where appropriate and are otherwise safe to use with
    - # the user namespace.
    - bool
    - default y
    -
    - # Filesystems
    -
    -config UIDGID_STRICT_TYPE_CHECKS
    - bool "Require conversions between uid/gids and their internal representation"
    - depends on UIDGID_CONVERTED
    - default n
    - help
    - While the nececessary conversions are being added to all subsystems this option allows
    - the code to continue to build for unconverted subsystems.
    -
    - Say Y here if you want the strict type checking enabled
    -
    config SCHED_AUTOGROUP
    bool "Automatic process group scheduling"
    select EVENTFD
    --
    1.7.5.4


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