Re: [RFC PATCH 08/11] lib: other kernel glue layer code

From: Richard Weinberger
Date: Sun Mar 29 2015 - 14:17:22 EST


Am 24.03.2015 um 14:10 schrieb Hajime Tazaki:
> These files are used to provide the same function calls so that other
> network stack code keeps untouched.
>
> Signed-off-by: Hajime Tazaki <tazaki@xxxxxxxxxxxxxx>
> Signed-off-by: Christoph Paasch <christoph.paasch@xxxxxxxxx>
> ---
> arch/lib/cred.c | 16 +++
> arch/lib/dcache.c | 93 +++++++++++++++
> arch/lib/filemap.c | 27 +++++
> arch/lib/fs.c | 287 ++++++++++++++++++++++++++++++++++++++++++++
> arch/lib/glue.c | 336 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> arch/lib/inode.c | 146 +++++++++++++++++++++++
> arch/lib/modules.c | 36 ++++++
> arch/lib/pid.c | 29 +++++
> arch/lib/print.c | 56 +++++++++
> arch/lib/proc.c | 164 +++++++++++++++++++++++++
> arch/lib/random.c | 53 +++++++++
> arch/lib/security.c | 45 +++++++
> arch/lib/seq.c | 122 +++++++++++++++++++
> arch/lib/splice.c | 20 ++++
> arch/lib/super.c | 210 ++++++++++++++++++++++++++++++++
> arch/lib/sysfs.c | 83 +++++++++++++
> arch/lib/vmscan.c | 26 ++++
> 17 files changed, 1749 insertions(+)

BTW: Why do you need these stub implementations at all?
If I read your code correctly it is because you're linking against the whole net/ directory.
Let's take register_filesystem() again as example. net/socket.c references it in sock_init().
Maybe it would make sense to split socket.c into two files, net/socket.c and net/sockfs.c.
Such that you could link only net/socket.o.
Of course you'd have to convince networking folks first. :D

By linking selectively objects files from net/ you could get rid of a lot unneeded stubs.

Thanks,
//richard
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