How to increase the NFSD Maximum blocksize for kernel 2.4.22-1.2188.nptl

From: Steven Shiau (steven_at_nchc.org.tw)
Date: 06/06/04

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    Date: Mon, 7 Jun 2004 00:24:07 +0800
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    Hi!
    I would like to optimize the NFS performance, so I tried to change the
    include/linux/nfsd/const.h in the kernel SRPM kernel-2.4.22-1.2188.nptl.src.rpm.
    Set NFSSVC_MAXBLKSIZ to be 32K like this:
    #define NFSSVC_MAXBLKSIZ (32*1024)

    I inserted a script in the kernel-2.4.spec, just after the %prep like
    this:
    --------------------------------------------------------
    %prep

    %setup -q -n %{name}-%{version} -c
    cd linux-%{version}

    # increase the NFS maximum block size, added by Steven Shiau.
    perl -p -i -e "s/^#define NFSSVC_MAXBLKSIZ.*/#define NFSSVC_MAXBLKSIZ (32*
    1024)/" include/linux/nfsd/const.h
    ...
    --------------------------------------------------------

    But when I tried to compile it using
    rpmbuild -ba --target i386 --target i586 --target i686 --target athlon --sign kernel-2.4.spec
    The compilation failed, the message is:
    --------------------------------------------------------
    ...SKIP...
    /home/steven/rpmbuild/BUILD/kernel-2.4.22/linux-2.4.22/include/linux/interrupt.h:19:1: warning: this is the location of the previous definition
    ac97_plugin_ad1980.c:92: warning: initialization from incompatible pointer type
    cardwi.c: In function `emu10k1_wavein_open':
    cardwi.c:173: warning: implicit declaration of function `emu10k1_reset_record'
    timer.c: In function `emu10k1_timer_install':
    timer.c:88: warning: implicit declaration of function `emu10k1_timer_set'
    timer.c: In function `emu10k1_timer_uninstall':
    timer.c:111: warning: large integer implicitly truncated to unsigned type
    cs4281_wrapper.h:32: warning: `cs4281_null_suspend' defined but not used
    cs4281_wrapper.h:33: warning: `cs4281_null_resume' defined but not used
    main.c:236:2: warning: #warning "Initialisation order race. Must register after usable"
    sddr09.c:448: warning: `sddr09_request_sense' defined but not used
    pm3fb.c: In function `cleanup_module':
    pm3fb.c:3836: warning: passing arg 2 of `__release_region_Rd49501d4' makes integer from pointer without a cast
    pm3fb.c:3839: warning: passing arg 2 of `__release_region_Rd49501d4' makes integer from pointer without a cast
    aty128fb.c: In function `aty128fb_ioctl':
    aty128fb.c:2478: warning: unused variable `fb'
    aty128fb.c:2479: warning: unused variable `value'
    aty128fb.c:2480: warning: unused variable `rc'
    aty128fb.c: At top level:
    aty128fb.c:1066: warning: `aty128_set_crt_enable' defined but not used
    aty128fb.c:1076: warning: `aty128_set_lcd_enable' defined but not used
    sstfb.c: In function `sstfb_ioctl':
    sstfb.c:971: warning: unused variable `i'
    atyfb_base.c: In function `aty_init':
    atyfb_base.c:1777: warning: unused variable `pm'
    atyfb_base.c:1777: warning: unused variable `hs'
    fbdev.c: In function `rivafb_init_one':
    fbdev.c:2224: warning: label `err_out_kfree' defined but not used
    matroxfb_g450.c: In function `g450_compute_bwlevel':
    matroxfb_g450.c:134: warning: duplicate `const'
    matroxfb_g450.c:135: warning: duplicate `const'
    matroxfb_g450.c: In function `matroxfb_g450_verify_mode':
    matroxfb_g450.c:561: warning: unused variable `minfo'
    matroxfb_maven.c: In function `maven_compute_bwlevel':
    matroxfb_maven.c:359: warning: duplicate `const'
    matroxfb_maven.c:360: warning: duplicate `const'
    + exit 1
    error: Bad exit status from /home/steven/rpmbuild/tmp/rpm-tmp.37001 (%build)

    RPM build errors:
    Bad exit status from /home/steven/rpmbuild/tmp/rpm-tmp.37001 (%build)
    --------------------------------------------------------

    Where am I wrong ?
    How can I increase the NFSD maximum blocksize for kernel ?

    Thanks. 

    -- 
Please AVOID distributing documents in WORD, EXCEL or POWERPOINT format.
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----------------------------------
Steven Shiau
E-mail: steven _at_ nchc.org.tw; steven _at_ stick.idv.tw
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