From owner-freebsd-current Fri Sep 26 01:46:46 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id BAA21796 for current-outgoing; Fri, 26 Sep 1997 01:46:46 -0700 (PDT) Received: from gneiss.eps.nagoya-u.ac.jp (gneiss.eps.nagoya-u.ac.jp [133.6.57.99]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id BAA21713 for ; Fri, 26 Sep 1997 01:44:17 -0700 (PDT) Received: from marble.eps.nagoya-u.ac.jp (localhost [127.0.0.1]) by gneiss.eps.nagoya-u.ac.jp (8.8.7/3.5Wpl3) with ESMTP id RAA08732; Fri, 26 Sep 1997 17:33:00 +0900 (JST) Message-Id: <199709260833.RAA08732@gneiss.eps.nagoya-u.ac.jp> To: bde@zeta.org.au Cc: current@FreeBSD.ORG Subject: Re: Daily SNAPshots at current.freebsd.org shut down for now. From: KATO Takenori In-Reply-To: Your message of "Fri, 26 Sep 1997 16:40:38 +1000" References: <199709260640.QAA23500@godzilla.zeta.org.au> X-Mailer: Mew version 1.70 on Emacs 19.28.1 / Mule 2.3 X-PGP-Fingerprint: 03 72 85 36 62 46 23 03 52 B1 10 22 44 10 0D 9E Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Fri, 26 Sep 1997 17:33:00 +0900 Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > It doesn't yet. It could look at a new flag (vp->v_flag & VNOCLUSTER) > where vp is the vnode for the mount point. The flag should be set in > vnopen(). This seems to require using bdevvp() to find the vnode. Each fs layer (e.g., ufs) can know both (1) special device requests to disable clustering I/O via bdevsw, and (2) the filesystem supports clustering I/O or not. > Right, except separate MNT_NOCLUSTER{READ,WRITE} flags are required to > give the same functionality. There is another reson separted options are required: if only cluster write is unsafe, there is no reason disabling cluster read. This is gzipped patch for 3.0-current: ---------- BEGIN ---------- begin 644 vndiff.gz M'XL("-1P*S0``W9N9&EF9@#E6WM3VT@2_]O[*6;9VI0-`BS);PZJ"+:S5,#F M;!.S=;E2R;8$NLB25P_87,A]]NN>&;W'@B1L=J_.!;8TFIY'3\^O']/:W=TE M_D?_\-8)#XW?`\7TZ8\&7X;G'-P=C"?G;RI#SR)38T.4%I$;O7J[AQ?=;ON' M_?W]4O(B94-AE+O9#]Z3AB*UZH3>$O*393HKPR3:]->I]F9TK0UN9LIP2G_P M:S`9:;]H6!%J68Y1>;+B#_OD^R"Z9?O27@4WN=3LT?&*Z'@GN#,)F0$S+ M-F!2@;$^H+4/X3OJA+=]=G$]A88G@]-^I2)7*H>[9&F'0.(1S]!7EG-+#$=? MV,:JC'P^.9\-*A4E0__@64%"+R2_/+TYAWXK*B5TPO4"Z%P3IV.MHEE8*Y\1 M%^E'IY>#*?GT'IY4/M4E4O\L$79#=E8N'PC.8T9^R<$#_PPF5`@"GNRCA*"JB@Y`OY/!JGPJ'2,QPC'0` M!\LM@MJLEPMJJH4,<:NGJ#U5W2ZKLJQ(LMR)I!7^*A7+)%5[87\(7-_ZMU$U M?8DXT(N]<&KDY)A8F_T32\-'-5J]`DP&R3LF"QQ%]7XC$:@J$:PAD='X;#+H M2^358E,[^N%'J&_8OD&P#SKRS$+E&N1/M*A=]I3`)QF#J#-6KQ):[OX)?`&] M;ZTD4M6!2M<>I7Y'P,@#8ZJY%/K+OJ MO6NM:@LJK%7:)A9_)C$G?C<-#X=)]@CPW35-WPAPUJ:_?^)KIJ??,GY#@\C! M2E&2:-NL0T!?PD!C5=6TH6<8KZ=]3>,,K"Q@I@O*:9\\'I/7$:*-W^*P?C*< ME652T8CFR$7CSYCC\R1DSB7DQ6:_#;/N3=_=^"+`4GO-YI.`%9'GT:K5DUO; MT4II-B6EE1*U>\^PC>K*N+^/N.P90>@YI#H8W9R/6=EG9")EX7I3X-SU5?]T M-DCOJVA;T7%2=IL^ZT(B:_CG>YF"Y#FHYPB&!R1R=;#N1N1>>+! MZP!%S8.KVC_W3U9<1EZ1?AJ*F&AF>@$IRN+5T;=T,7].%_.C+UDTO@?_J&7; MNEF<+7L%E'NGUWS""N74><)N3VZ7;!45$*N9;)5WHW%_,+[2IH-9E36NF9;I MNAO-W=S#K/UE+;7K,U;F`$TXM.72MN$A13?B;@R/\L%/C$P_@)(EV$!!I:CB M@9WR45DEUBZO!;8P6&0:CKV*F"&1R_$U+#^S`"5N)%*S;7AQ^D:;S,$,E,@. M>YXR@7=JJ>;`N*.M:1%YT1R62&;4$MJ+J%+3';TJSH[U_B6=4>,YU1N=_G.Z M8Q53_5'`=^#IRB!_*S$03YAM@ZN+*(-R`MY,QD"U?!<(EZMNJU7G/^6`W^K5 M`OCIA#O/ M`/ZOF?#W@?TOYNIV9'X1OI9*=@DZ=WN-UC,$6X#0(->-4F.F(TO==B35"1P2 MWJ;EV^[R`WC>FG95K7*_\A[P.GJ@(?/(;HV*!-_0VX,"K-72H,!9GW:<#@K( MSPX)<&+NTRLBCYX/0>31G3GCK56X0RP@"F!AY9ZK9]0,:._9'` ME?L`0T>N+)"-1'=@8'>ZIR]QBO[&6%JZ#5;SO;4T0*<1PL0(%H9*`"Q:IQ6# M91&KNEU)K7=CK(H,M#I=I,],KZ94'U]KH8;6'5 MGZ7[1"//::-H'=YA,`0L!=0#ONNIVKJJ-AJ0VZXD&J#C`)+!3 M3`8TU)4Z1E>*.ND6HHO%7.\(+W6VVL=8!EZ7G!BFHHG$GES._:A@I;LM?6?Z'ZEH':#?NJ6Z&_523R+O7%V]KY-4KPM1UHIA!-_:U M_OGT+5\'9,[&`U@QJSNLKJ:O5MJMX1B>M>P1N$'X9C2$KBON2(9UY.?5>V>' M,1O:07HF+83?I7N..N9Q,SKA9BR0+S5A*I35?-]HCB#N7Y[BQ/\*/,A(&T(K MW*#.V6(LJV!3=`4"EZ7,V1(-%?[*`B.JI+246.;B2)/`&ISTQZ.+7]E&%)EQ M\]/1;-*?,R,N2W_\'U)E0#"]/N^31XX*@YO!67S3'[PCC[ATR#0LPM#8+Y/Q M:'P]Y96N1^?C$;\^Q<GL_')0*_8,0YN>G4[>5$,=,((N`$A(R6"B54N- MZ0L',QQ/S@;9F63&%TOY)6(EM;'2QA67=1;(46G4*MH?_].+P\@K67405XDC M-W_Q)

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