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To: FreeBSD-users-jp@jp.FreeBSD.org
From: Kenichi Okuyama <okuyamak@dd.iij4u.or.jp>
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Date: Sun, 26 Jun 2005 02:58:01 +0900
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Subject: [FreeBSD-users-jp 85558] Re: Linux
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$BT|;3$G$9!#(B

>>>>> "SN" == SODA Noriyuki <soda@sra.co.jp> writes:
SN> FreeBSD $B$b(B Linux $B$HF1MM!"(B2) $B$^$G$7$+$d$C$F$J$$$N$G$O!)(B
SN> sys/dev/ata/ata-disk.c $B$G(B ATA_FLUSHCACHE $B%3%^%s%I$rH/9T$7$F$$$k$N$O!"(B
SN> ad_shutdown() $B$H(B ad_dump() $B$@$1$G$9!#(Braw $B%G%P%$%9$X$N=q$-9~$_;~$K$O(B
SN> FLUSH CACHE $B$rH/9T$7$^$;$s!#(B

ad_dump() $B$G$O$J$/(B addump()

http://fxr.watson.org/fxr/source/dev/ata/ata-disk.c?v=RELENG54#L353

$B$N$3$H$@$h$M(B?

raw IO $B$N>l9g$b%3%3$rDL$k$O$:$@$,!D(B???
#$B$D!<$+!"$3$3$7$+<B<AE*$J%G!<%?$N=P8}$,$J$$$O$:$@$,!D(B???

ATA_FLUSHCACHE $B$O;D$j(B length $B$,(B 0 $B$K$J$k$^$G$OH/9T$5$l$^$;$s!#(B
0$B$K$J$k$HH/9T$5$l$^$9!#(B
$B$=$l$@$1$N$O$:!#(B

$B$H$$$&$o$1$G!"$=$l$O$=$@$5$s$N4*0c$$$@$H;W$&!#(B
---- 
$B1|;3(B $B7r0l(B[$BGaGX2q(B:No.0x00000001]
#URL http://www.dd.iij4u.or.jp/~okuyamak/
#    http://slashdot.jp/journal.pl?op=display&uid=2487
#    http://developer.osdl.jp/projects/doubt/
#$B:#F|$N$*8@MU!X26$N!"26$N!"(BOS$B$NOC$r$-$1!A!A!A!Y(B:$B$5$FLdBj$O(B
#$B;D$j$NItJ,$r$I$&$9$k$+$G!D!#(B
