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Date: Thu, 15 Sep 2005 15:22:19 +0900
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Subject: [FreeBSD-users-jp 86994] NFS =?ISO-2022-JP?B?GyRCJS8laRsoQg==?=
 =?ISO-2022-JP?B?GyRCJSQlIiVzJUgkSBsoQg==?= ENOLCK
 =?ISO-2022-JP?B?GyRCJEskRCQkJEYbKEI=?= 
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$B$3$s$A$K$O!"$3$N(BML$B$K$O$$$D$b$*@$OC$K$J$C$F$$$^$9!#(B
$B0KF#$H?=$7$^$9!#(B

FreeBSD$B$r(BNFS$B%/%i%$%"%s%H$H$7$F;HMQ$7$?$H$-$K!"$A$g$C$HIT2D2r$J8=>]$,(B
$BH/@8$7$^$7$?!#;d$ND4::$G$O!"%+!<%M%k$N%P%0$N2DG=@-$,$"$k$N$G$O$J$$$+(B
$B$H9M$($F$$$k$N$G$9$,!"$J$K$V$s%+!<%M%k$NCf$NOC$J$N$G!"3'$5$s$N0U8+(B
$B$r;G$$$?$$$H;W$C$F$$$^$9!#(B

$B!V8=>]!W(B
FreeBSD 5.1RELEASE$B$r(BNFS$B%/%i%$%"%s%H$K!"(BNetBSD1.61$B$r(BNFS$B%5!<%P$H$7(B
FreeBSD$BB&$G!"(BNFS$B%^%&%s%H$7$?%U%!%$%k%7%9%F%`$KBP$7$F!"%U%!%$%k$N=q$-9~(B
$B$_$r9T$&$H!"(Bclose(2)$B$,(B-1$B$rJV$7!"$=$N$H$-$N(Berrno$B$K$O!"(BENOLCK$B$,%;%C%H$5$l(B
$B$F$$$k!#%U%!%$%k$N=q$-9~$_$K:]$7$F$O!"GSB>$O3]$1$F$$$J$$!#(B
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$B!VD4::$7$?$3$H!W(B
man 2 close $B$r$7$F$b!"(Bclose(2)$B$,<:GT$7$?:]!"(Berrno$B$K(BENOLCK$B$,%;%C%H$5$l$k(B
$B%1!<%9$K4X$9$k5-=R$O$J$7!#(B

$B%+!<%M%k$N%=!<%9$+$i(Bclose(2)$B$,<:GT$7$?:]!"(Berrno$B$K(BENOLCK$B$,%;%C%H$5$l$k(B
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$B$$=hM}$,$"$k$3$H$r3NG'!#(B(sys/nfsclient/nfs_vnops.c$B!!(BRev 1.258$B$N>l9g$O!"(B
2821$B9TL\<~JU$N=hM}(B nfs_flush()$B$G$9!#(B)

"FreeBSD ENOLCK"$B$G%0%0$C$F$_$k$H!"$=$&$$$&;vNc$,$"$k$3$H$r3NG'!#(B
http://www.sleepycat.com/docs/ref/build_unix/freebsd.html

nfs_vnops.c$B$N2a5n$N(BRev$B$rD/$a$F9T$/$H!"(BRev1.131$B$+$i(BRev1.132$B$G$NJQ99$G!"(B
ENOLCK$B$K4X$9$k=hM}$,DI2C$5$l$F$$$k!#!J$H8@$&$h$j$b!"(Bstruct buf$B$N%m%C%/(B
$BJ}K!$rJQ$($?$N$+$J!)!K(B

$B!V(Bnfs_vnops.c$B$K4X$7$F!J$"$^$j<+?H$J$$$G$9!#!K!W(B
nfs_vnops.c$B$N(Bnfs_flisu()$B$N(B"Start/do any write(s) that are required."$B$H$$$&(B
$B%3%a%s%H0J2<$N%m%8%C%/$r8+$k$H!"(BBUF_TIMELOCK()$B$,(BENOLCK$B$rJV$7$?>l9g!"(B
$B%j%H%i%$$r9T$&MM$K$J$C$F$$$k!#(B

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$B$"$C$?>l9g!"(Berror$B$K$O!"(BENOLCK$B$,%;%C%H$5$l$?$^$^$H$J$j!"7k2LE*$K(Bclose(2)
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$B%P%C%U%!$r%U%i%C%7%e$9$k=hM}$@$HFI$_$^$7$?!#$=$7$F!"$A$g$&$I(BNFS$B%5!<%P$K(B
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ENOLCK$B$K$J$k$,!":FEY%U%i%C%7%e$5$l$F$$$J$$%P%C%U%!$r%A%'%C%/$7$?;~$O(B
$B$9$G$K%U%i%C%7%e:Q$_$K$J$C$F$$$?$H$$$&%1!<%9$b$"$k$N$G$OL5$$$+$H;W$$$^$9!#(B
$B$3$N>l9g!"(BNFS$B%5!<%PB&$K$-$A$s$H=q$-9~$_$,=*$C$?$K$b$+$+$o$i$:!"(B
error$B$NCM$O!"A02s$N(BENOLCK$B$N$^$^$H$J$C$F$7$^$&!#(B

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$B%/%j%"$9$kI,MW$,$"$k$N$G$O$J$$$+$H9M$($F$$$^$9!#(B

$B!V$d$C$F$_$?!W(B
BUF_TIMELOCK()$B$,(BENOLCK$B$rJV$7$?>l9g!"%j%H%i%$$9$kA0$K!"(Berror$B$r(B0$B$G(B
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$B$m$&$^$/F0$$$F$$$kMM$K;W$($k!#(B


$B$H8@$&$o$1$G!";d$N7kO@$H$7$F$O!"(BNFS$B%5!<%P$d!"(BNFS$B%^%&%s%H$N;EJ}$J$I$K(B
$B5/0x$9$kOC$G$O$J$/!"(BFreeBSD$B$N(BNFS$B%/%i%$%"%s%H$H$7$F$N=hM}!"(B
nfs_vnops.c$B$,%P%0$C$F$$$k$N$G$O$J$$$+$H9M$($F$$$k$N$G$9$,!"(B
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$B6&DL$NOC$J$N$+$J$!$H$b;W$C$F$$$^$9!#(B

$B59$7$/$*4j$$$7$^$9!#(B



