[patch] #include <linux/pagemap.h> in fs/partitions/check.h

From: Adrian Bunk (bunk@fs.tum.de)
Date: Tue May 07 2002 - 13:55:25 EST

Hi Marcelo,

fs/partitions/check.h uses page_cache_release that is

  #define page_cache_release(x) __free_page(x)

in linux/pagemap.h but check.h doesn't include this file. This resulted in
the following compile error:

<-- snip -->

gcc -D__KERNEL__ -I/home/bunk/linux/kernel-2.4/linux-modular/include -Wall
ict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -pipe
rred-stack-boundary=2 -march=k6 -nostdinc -I
4/include -DKBUILD_BASENAME=acorn -c -o acorn.o acorn.c
In file included from acorn.c:21:
check.h: In function `put_dev_sector':
check.h:13: warning: implicit declaration of function `page_cache_release'
ld -m elf_i386 -T
/home/bunk/linux/kernel-2.4/linux-modular/arch/i386/vmlinux.lds -e stext
arch/i386/kernel/head.o arch/i386/kernel/init_task.o init/main.o
init/version.o init/do_mounts.o \
        --start-group \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o
mm/mm.o fs/fs.o ipc/ipc.o \
         drivers/acpi/acpi.o drivers/char/char.o drivers/block/block.o
drivers/misc/misc.o drivers/net/net.o drivers/media/media.o
drivers/char/drm/drm.o drivers/net/fc/fc.o
drivers/net/appletalk/appletalk.o drivers/net/tokenring/tr.o
drivers/net/wan/wan.o drivers/atm/atm.o drivers/cdrom/driver.o
drivers/pci/driver.o drivers/net/pcmcia/pcmcia_net.o
drivers/net/wireless/wireless_net.o drivers/video/video.o
drivers/net/hamradio/hamradio.o drivers/md/mddev.o
drivers/isdn/vmlinux-obj.o arch/i386/math-emu/math.o \
        net/network.o \
/home/bunk/linux/kernel-2.4/linux-modular/arch/i386/lib/lib.a \
        --end-group \
        -o vmlinux
fs/fs.o: In function `riscix_partition':
fs/fs.o(.text+0x2810b): undefined reference to `page_cache_release'
fs/fs.o: In function `linux_partition':
fs/fs.o(.text+0x281d0): undefined reference to `page_cache_release'
fs/fs.o: In function `adfspart_check_ADFS':
fs/fs.o(.text+0x28238): undefined reference to `page_cache_release'
fs/fs.o(.text+0x28281): undefined reference to `page_cache_release'
fs/fs.o: In function `adfspart_check_ICSLinux':
fs/fs.o(.text+0x28371): undefined reference to `page_cache_release'
fs/fs.o(.text+0x283e7): more undefined references to `page_cache_release'
make: *** [vmlinux] Error 1

<-- snip -->

The fix is simple:

--- fs/partitions/check.h.old Tue May 7 20:46:21 2002
+++ fs/partitions/check.h Tue May 7 20:47:01 2002
@@ -2,6 +2,9 @@
  * add_partition adds a partitions details to the devices partition
  * description.
+#include <linux/pagemap.h>
 void add_gd_partition(struct gendisk *hd, int minor, int start, int size);

 typedef struct {struct page *v;} Sector;



You only think this is a free country. Like the US the UK spends a lot of time explaining its a free country because its a police state. Alan Cox

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