Re: [patch 2/2] Remove a few inlines in fs/namei.c

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 29 Jul 2008 19:55:37 +0100 Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:

> On Tue, Jul 29, 2008 at 05:52:31PM +0200, Thomas Petazzoni wrote:
> > Uninline may_create() and do_follow_link() and use vfs_follow_link()
> > instead of __vfs_follow_link() in __do_follow_link(). It allows to
> > slightly reduce the size of kernel code:
> > 
> >    text	   data	    bss	    dec	    hex	filename
> > 1114299	 118564	 212992	1445855	 160fdf	vmlinux.old
> > 1112971	 118564	 212992	1444527	 160aaf	vmlinux
> >   -1328       0       0   -1328    -530 +/-

That's a really big difference, considering whereabouts in the 
kernel this is.

> > This patch is part of the Linux Tiny project and has been originally
> > written by Matt Mackall <mpm@xxxxxxxxxxx>
> 
> Absolutely not.  do_follow_link() et.al. are parts of mutual recursion
> loop and we need to reduce the use of kernel *stack*.

Last time someone tried to "fix" this I suggested that we add some
comments explaining the design - why it is the way it is.  And the
time before that.

--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux