Re: [PATCH][RFC] Shrink ip_vs_*.c includes

[Roberto Nibali <ratz@tac.ch>]

> Hi Rats, 
> 
> I'm all for this patch, but I get horrible breakage with the following
> config (I can give the rest if you need it).

Darn!

> CONFIG_IP_VS=m
> # CONFIG_IP_VS_DEBUG is not set
> CONFIG_IP_VS_TAB_BITS=12
> CONFIG_IP_VS_PROTO_TCP=y
> CONFIG_IP_VS_PROTO_UDP=y
> CONFIG_IP_VS_PROTO_ESP=y
> CONFIG_IP_VS_PROTO_AH=y
> CONFIG_IP_VS_RR=m
> CONFIG_IP_VS_WRR=m
> CONFIG_IP_VS_LC=m
> CONFIG_IP_VS_WLC=m
> CONFIG_IP_VS_LBLC=m
> CONFIG_IP_VS_LBLCR=m
> CONFIG_IP_VS_DH=m
> CONFIG_IP_VS_SH=m
> CONFIG_IP_VS_SED=m
> CONFIG_IP_VS_NQ=m
> CONFIG_IP_VS_FTP=m

Ok, this is m/y mixed. Haven't tried it yet.

> # make
>   CHK     include/linux/version.h
>   CHK     include/linux/compile.h
>   CHK     usr/initramfs_list
>   CC [M]  net/ipv4/ipvs/ip_vs_conn.o
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_array':
> net/ipv4/ipvs/ip_vs_conn.c:672: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_seq_start':
> net/ipv4/ipvs/ip_vs_conn.c:684: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c:685: error: 'SEQ_START_TOKEN' undeclared (first use in this function)
> net/ipv4/ipvs/ip_vs_conn.c:685: error: (Each undeclared identifier is reported only once
> net/ipv4/ipvs/ip_vs_conn.c:685: error: for each function it appears in.)
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_seq_next':
> net/ipv4/ipvs/ip_vs_conn.c:691: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c:695: error: 'SEQ_START_TOKEN' undeclared (first use in this function)
> net/ipv4/ipvs/ip_vs_conn.c:708: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c:713: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_seq_stop':
> net/ipv4/ipvs/ip_vs_conn.c:719: error: dereferencing pointer to incomplete type
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_seq_show':
> net/ipv4/ipvs/ip_vs_conn.c:728: error: 'SEQ_START_TOKEN' undeclared (first use in this function)
> net/ipv4/ipvs/ip_vs_conn.c:729: warning: implicit declaration of function 'seq_puts'
> net/ipv4/ipvs/ip_vs_conn.c:734: warning: implicit declaration of function 'seq_printf'
> net/ipv4/ipvs/ip_vs_conn.c: At top level:
> net/ipv4/ipvs/ip_vs_conn.c:746: error: variable 'ip_vs_conn_seq_ops' has initializer but incomplete type
> net/ipv4/ipvs/ip_vs_conn.c:747: error: unknown field 'start' specified in initializer
> net/ipv4/ipvs/ip_vs_conn.c:747: warning: excess elements in struct initializer
> net/ipv4/ipvs/ip_vs_conn.c:747: warning: (near initialization for 'ip_vs_conn_seq_ops')
> net/ipv4/ipvs/ip_vs_conn.c:748: error: unknown field 'next' specified in initializer
> net/ipv4/ipvs/ip_vs_conn.c:748: warning: excess elements in struct initializer
> net/ipv4/ipvs/ip_vs_conn.c:748: warning: (near initialization for 'ip_vs_conn_seq_ops')
> net/ipv4/ipvs/ip_vs_conn.c:749: error: unknown field 'stop' specified in initializer
> net/ipv4/ipvs/ip_vs_conn.c:749: warning: excess elements in struct initializer
> net/ipv4/ipvs/ip_vs_conn.c:749: warning: (near initialization for 'ip_vs_conn_seq_ops')
> net/ipv4/ipvs/ip_vs_conn.c:750: error: unknown field 'show' specified in initializer
> net/ipv4/ipvs/ip_vs_conn.c:750: warning: excess elements in struct initializer
> net/ipv4/ipvs/ip_vs_conn.c:750: warning: (near initialization for 'ip_vs_conn_seq_ops')
> net/ipv4/ipvs/ip_vs_conn.c: In function 'ip_vs_conn_open':
> net/ipv4/ipvs/ip_vs_conn.c:755: warning: implicit declaration of function 'seq_open'
> net/ipv4/ipvs/ip_vs_conn.c: At top level:
> net/ipv4/ipvs/ip_vs_conn.c:759: error: 'THIS_MODULE' undeclared here (not in a function)
> net/ipv4/ipvs/ip_vs_conn.c:761: error: 'seq_read' undeclared here (not in a function)
> net/ipv4/ipvs/ip_vs_conn.c:762: error: 'seq_lseek' undeclared here (not in a function)
> net/ipv4/ipvs/ip_vs_conn.c:763: error: 'seq_release' undeclared here (not in a function)
> make[3]: *** [net/ipv4/ipvs/ip_vs_conn.o] Error 1
> make[2]: *** [net/ipv4/ipvs] Error 2
> make[1]: *** [net/ipv4] Error 2
> make: *** [net] Error 2
> 

I'll reproduce it with your config. I didn't think of trying it with
mixed y/m settings. Following include is missing then:

#include <linux/seq_file.h>

Or do you think we could put all the needed includes into ip_vs.h and
simply be done with it?

Best regards,
Roberto Nibali, ratz
-- 
-------------------------------------------------------------
addr://Kasinostrasse 30, CH-5001 Aarau tel://++41 62 823 9355
http://www.terreactive.com             fax://++41 62 823 9356
-------------------------------------------------------------
10 Jahre Kompetenz in IT-Sicherheit.              1996 - 2006
Wir sichern Ihren Erfolg.                      terreActive AG
-------------------------------------------------------------