Re: [PATCH 1/1] [RFC] 64bit copy_file_range system call

[Randy Dunlap <rdunlap@infradead.org>]

On 06/14/17 11:53, Olga Kornievskaia wrote:
> This is a proposal to allow 64bit count to copy and return as
> a result of a copy_file_range. No attempt was made to share code
> with the 32bit function because 32bit interface should probably
> get depreciated.

      deprecated.

> 
> Why use 64bit? Current uses of 32bit are by clone_file_range()
> which could use 64bit count and NFS copy_file_range also supports
> 64bit count value.
> 
> Also with this proposal off-the-bet allow the userland to copy

what does "off-the-bet" mean?

> between different mount points.
> 
> Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
> ---
>  arch/x86/entry/syscalls/syscall_32.tbl |   1 +
>  arch/x86/entry/syscalls/syscall_64.tbl |   1 +
>  fs/read_write.c                        | 146 +++++++++++++++++++++++++++++++--
>  include/linux/fs.h                     |   4 +
>  include/linux/syscalls.h               |   3 +
>  include/uapi/asm-generic/unistd.h      |   4 +-
>  kernel/sys_ni.c                        |   1 +
>  7 files changed, 154 insertions(+), 6 deletions(-)


-- 
~Randy