Re: dealing with excessive includes

From: Stefan Richter
Date: Fri Oct 20 2006 - 05:27:26 EST


Randy Dunlap wrote:
> Here's about half of checking includers of linux/smp_lock.h to see
> if they actually use any of its interfaces. (most don't)
>
> Yet to do: fs/* and arch/*
> Built only on x86_64.
[...]
> drivers/acpi/osl.c | 1 -
> drivers/block/acsi_slm.c | 1 -
> drivers/block/umem.c | 1 -
> drivers/char/ds1620.c | 1 -
> drivers/char/dsp56k.c | 1 -
> drivers/char/dtlk.c | 1 -
> drivers/char/ec3104_keyb.c | 1 -
> drivers/char/ftape/zftape/zftape-init.c | 1 -
> drivers/char/hangcheck-timer.c | 1 -
> drivers/char/ip27-rtc.c | 1 -
> drivers/char/lp.c | 1 -
> drivers/char/mem.c | 1 -
> drivers/char/mxser.c | 1 -
> drivers/char/ppdev.c | 1 -
> drivers/char/sysrq.c | 1 -
> drivers/char/vc_screen.c | 1 -
> drivers/char/watchdog/omap_wdt.c | 1 -
> drivers/char/watchdog/pcwd_usb.c | 1 -
> drivers/i2c/busses/scx200_acb.c | 1 -
> drivers/i2c/i2c-dev.c | 1 -
> drivers/ieee1394/raw1394.c | 1 -
> drivers/infiniband/ulp/iser/iser_verbs.c | 1 -
> drivers/input/evdev.c | 1 -
> drivers/input/input.c | 1 -
[... etc. pp. ...]
> sound/oss/swarm_cs4297a.c | 1 -
> sound/oss/trident.c | 1 -
> sound/oss/via82cxxx_audio.c | 1 -
> 166 files changed, 166 deletions(-)
[...]

I am afraid in many of these cases a proper cleanup would _replace_ the
include by the correct one, not just delete it. For example,
drivers/ieee1394/raw1394.c should include linux/spinlock.h. AFAICS it
does so at the moment only indirectly via another header.
--
Stefan Richter
-=====-=-==- =-=- =-=--
http://arcgraph.de/sr/
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