Ian Kent wrote:
On Sat, 9 Sep 2006, Jeff Garzik wrote:
An IRC discussion sparked a memory: most filesystems really don't
need to put anything at all in include/linux. Excluding API-ish
filesystems like procfs, just about the only filesystem symbols that
get exported outside of __KERNEL__ are the *_SUPER_MAGIC symbols,
and similar symbols.
After seeing the useful attributes of linux/poison.h, I propose a
similar linux/magic.h.
We can see from the patch below that this permitted the deletion of a
couple headers, where the *_SUPER_MAGIC symbol was the only thing in the
entire header.
Other non-filesystem-related magic numbers could get moved here
eventually, if maintainers so desire, but I wanted to start off with the
obvious low-hanging fruit.
Would be good to include autofs in this lot.
Defined in linux/autofs/autofs_i.h
Defined in linux/autofs4/autofs_i.h
as
#define AUTOFS_SUPER_MAGIC 0x0187
Updated.
Andrew, please add the "magic" branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git
to the list of trees you pull.
Thanks,
Jeff
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