/usr/share/doc/HOWTO/ja-html/kernel-venus-protocol-4.html

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<H2><A NAME="s4">4. $B%3!<%k%l%Y%k$N%$%s%?!<%U%'!<%9(B </A></H2>

<P>
<P>$B$3$N%;%/%7%g%s$O(B Coda FS $B%I%i%$%P$,(B Venus $B$K9T$($k(B upcall $B$K$D$$$F5-=R$7(B
$B$^$9!#$3$l$i$=$l$>$l$N(B upcall $B$O;0$D$N9=B$BN$r;HMQ$79T$o$l$^$9(B - $B%+!<%M(B
$B%k$+$i(B Venus $B$X$NDL?.MQ(B <CODE>inputArgs</CODE>$B!"(BVenus $B$+$i%+!<%M%k$KJV$k(B
<CODE>outputArgs</CODE>$B!":G8e$K(B <CODE>cfs_downcalls</CODE> $B$G(B Venus $B$+$i%+!<%M%k$r5/F0$9(B
$B$k:]$K;H$o$l$^$9!#(B
<P>
<PRE>
union inputArgs {
    struct cfs_in_hdr ih;       /* NB: every struct below begins with an ih */
    struct cfs_open_in cfs_open;
    struct cfs_close_in cfs_close;
    struct cfs_ioctl_in cfs_ioctl;
    struct cfs_getattr_in cfs_getattr;
    struct cfs_setattr_in cfs_setattr;
    struct cfs_access_in cfs_access;
    struct cfs_lookup_in cfs_lookup;
    struct cfs_create_in cfs_create;
    struct cfs_remove_in cfs_remove;
    struct cfs_link_in cfs_link;
    struct cfs_rename_in cfs_rename;
    struct cfs_mkdir_in cfs_mkdir;
    struct cfs_rmdir_in cfs_rmdir;
    struct cfs_readdir_in cfs_readdir;
    struct cfs_symlink_in cfs_symlink;
    struct cfs_readlink_in cfs_readlink;
    struct cfs_fsync_in cfs_fsync;
    struct cfs_inactive_in cfs_inactive;
    struct cfs_vget_in cfs_vget;
    struct cfs_rdwr_in cfs_rdwr;
    struct cfs_open_by_path_in cfs_open_by_path;
};
</PRE>
<P>
<PRE>
union outputArgs {
    struct cfs_out_hdr oh; /* NB: every struct below begins with an oh */
    struct cfs_root_out cfs_root;
    struct cfs_open_out cfs_open;
    struct cfs_ioctl_out cfs_ioctl;
    struct cfs_getattr_out cfs_getattr;
    struct cfs_lookup_out cfs_lookup;
    struct cfs_create_out cfs_create;
    struct cfs_mkdir_out cfs_mkdir;
    struct cfs_readdir_out cfs_readdir;
    struct cfs_readlink_out cfs_readlink;
    struct cfs_vget_out cfs_vget;
    struct cfs_purgeuser_out cfs_purgeuser;
    struct cfs_zapfile_out cfs_zapfile;
    struct cfs_zapdir_out cfs_zapdir;
    struct cfs_zapvnode_out cfs_zapvnode;
    struct cfs_purgefid_out cfs_purgefid;
    struct cfs_rdwr_out cfs_rdwr;
    struct cfs_replace_out cfs_replace;
    struct cfs_open_by_path_out cfs_open_by_path;
};
</PRE>
<P>
<PRE>
union cfs_downcalls {
    /* CFS_FLUSH  is also a down call */
    struct cfs_purgeuser_out purgeuser;
    struct cfs_zapfile_out zapfile;
    struct cfs_zapdir_out zapdir;
    struct cfs_zapvnode_out zapvnode;
    struct cfs_purgefid_out purgefid;
    struct cfs_replace_out replace;
};
</PRE>
<P>$B%X%C%@!<$O$9$Y$F$N%3!<%k$K6&DL$G!"%W%m%;%9!"G'>Z!"(Bopcode $B$N>pJs$r4^$_$^(B
$B$9(B -
<P>
<PRE>
struct cfs_in_hdr {
    unsigned long opcode;
    unsigned long unique;    /* Keep multiple outstanding msgs distinct */
    u_short pid;                  /* Common to all */
    u_short pgid;                 /* Common to all */
    u_short sid;                  /* to become the PAG */
    struct coda_cred cred;        /* to become a PAG */
};

/* Really important that opcode and unique are 1st two fields! */
struct cfs_out_hdr {
    unsigned long opcode;
    unsigned long unique;       
    unsigned long result;
};
</PRE>
<P>$B@h$K?J$`A0$K!"MM!9$J%U%#!<%k%I$NLr3d$r@bL@$7$^$9!#(BinputArgs $B$O!"(BVenus $B$+(B
$B$iMW5a$5$l$k%5!<%S%9$N<oN`$rDj5A$7$?(B <CODE>opcode</CODE> $B$G;O$^$j$^$9!#(B30 $B$[$I$N(B
upcall $B$,$"$j!"8e$G@bL@$7$^$9!#(B<CODE>unique</CODE> $B%U%#!<%k%I$O%a%C%;!<%8$r0l0U(B
$B$K<1JL$9$k%f%K!<%/$J?t$G(B inputArg $B$r<1JL$7$^$9!#%W%m%;%9$*$h$S%W%m%;%9%0(B
$B%k!<%W$N(B id $B$bEO$5$l$^$9!#:G8e$K!"8F$S=P$785$N?.MjEY$N>pJs$,4^$^$l$^$9!#(B
<P>$BFCDj$N%3!<%k$rD4$Y$kA0$K!"%+!<%M%k$H(B Venus $B$K6&M-$5$l$kMM!9$J%G!<%?9=B$(B
$BBN$rCN$kI,MW$,$"$j$^$9!#(B
<P>
<H2><A NAME="ss4.1">4.1 $B%+!<%M%k$H(B Venus $B$K6&M-$5$l$k%G!<%?9=B$BN(B </A>
</H2>

<P>
<P><CODE>CodaCred</CODE> $B9=B$BN$O(B user $B$*$h$S(B group id $B$K4X$9$kMM!9$J$b$N$rDj5A$7!"(B
$B8F$S=P$785$N%W%m%;%9$K$h$C$F@_Dj$5$l$^$9!#(B<CODE>vuid_t</CODE> $B$*$h$S(B <CODE>guid_t</CODE>
$B$O(B 32 $B%S%C%HId9f$J$7@0?t$G$9!#G[NsFb$N(B group $B%a%s%P%7%C%W$bDj5A$7$^$9!#(B
Unix $B>e$G$O(B CodaCred $B$O(B Coda $BMQ$N$h$$%;%-%e%j%F%#$N;EAH$_$N<BAu$K==J,$G(B
$B$"$k$HJ,$+$C$F$$$^$9$,!"(BWindows $B4D6-$G$N%;%-%e%j%F%#4D6-$N@.=O$K$"$o$;$?(B
$B9=B$BN$N=$@5$r$7$J$1$l$P$J$i$J$$$+$b$7$l$^$;$s!#(B
<PRE>
struct CodaCred {
    vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, efftve, set, fs uid*/
    vgid_t cr_gid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
    vgid_t cr_groups[NGROUPS];        /* Group membership for caller */
};
</PRE>
<P><B>$BCm5-(B</B> Venus $BFb$G(B CodaCreds $B$,I,MW$+$I$&$+$O!"5?Ld$G$9!#:G=*E*$K!"(B
Venus $B$O(B $B%G%U%)%k%H$N(B uid/gid $B$r;}$C$?%U%!%$%k$r:n@.$9$k$H$O$$$(!"(BVenus
$B$O(B group $B$K$D$$$FCN$j$^$;$s!#$?$V$s(B group $B%a%s%P%7%C%W$N%j%9%H$OM>J,$G$9!#(B
<P>
<P>$B<!$N%"%$%F%`$O(B Coda $B%U%!%$%k$r<1JL$9$k$?$a$K;H$o$l$k4pK\E*$J<1JL;R(B
<CODE>ViceFid</CODE> $B$G$9!#%U%!%$%k$N(B fid $B$O(B <EM>cell</EM> $BFb$N(B Coda $B%U%!%$%k%7(B
$B%9%F%`$N%U%!%$%k$b$7$/$O%G%#%l%/%H%j$r0l0UE*$KDj5A$7$^$9!#(B
<BLOCKQUOTE><EM>cell</EM> $B$OC10l$N(B system control machine (SCM) $B$NJ]8n2<$G(B
$B2TF0$9$k(B Coda $B%5!<%P$N%0%k!<%W$G$9!#(B</BLOCKQUOTE>
<P>
<PRE>
typedef struct ViceFid {
    VolumeId Volume;
    VnodeId Vnode;
    Unique_t Unique;
} ViceFid;
</PRE>
<P>$B9=@.Cf$N3F%U%#!<%k%I(B - <CODE>VolumeId,VnodeId, Unique_t</CODE> $B$OId9f$J$7(B 32 $B%S%C(B
$B%H@0?t$G$9!#(BCoda cell $B$r<1JL$9$k$?$a$K$b$&0l$D%U%#!<%k%I$rA0$KIU$1$kI,MW(B
$B$,$"$k$@$m$&$H9M$($F$$$^$9(B - $B$3$l$O$?$V$s!"(BDNS $B$K$h$C$F(B Coda cell $B$r;XDj(B
$B$9$k(B Ipv6 $B%5%$%:$N(B IP $B%"%I%l%9$N7A<0$K$J$k$G$7$g$&!#(B
<P>Venus $B$H%+!<%M%k4V$G6&M-$5$l$?<!$K=EMW$J9=B$BN$O%U%!%$%k$NB0@-$G$9!#B3$/(B
$B9=B$BN$O>pJs8r49$K;HMQ$5$l$^$9!#$=$l$O%G%P%$%9%U%!%$%k8~$1$N%5%]!<%H(B ($B8=(B
$B>u(B Coda $B$K$O$"$j$^$;$s(B) $B$N$h$&$J>-Mh$N3HD%MQ$N>l=j$,$"$j$^$9!#(B
<P>
<PRE>
struct coda_vattr {
        enum coda_vtype va_type;        /* vnode type (for create) */
        u_short         va_mode;        /* files access mode and type */
        short           va_nlink;       /* number of references to file */
        vuid_t          va_uid;         /* owner user id */
        vgid_t          va_gid;         /* owner group id */
        long            va_fsid;        /* file system id (dev for now) */
        long            va_fileid;      /* file id */
        u_quad_t        va_size;        /* file size in bytes */
        long            va_blocksize;   /* blocksize preferred for i/o */
        struct timespec va_atime;       /* time of last access */
        struct timespec va_mtime;       /* time of last modification */
        struct timespec va_ctime;       /* time file changed */
        u_long          va_gen;         /* generation number of file */
        u_long          va_flags;       /* flags defined for file */
        dev_t           va_rdev;        /* device special file represents */
        u_quad_t        va_bytes;       /* bytes of disk space held by file */
        u_quad_t        va_filerev;     /* file modification number */
        u_int           va_vaflags;     /* operations flags, see below */
        long            va_spare;       /* remain quad aligned */
};
</PRE>
<P>
<H2><A NAME="ss4.2">4.2 pioctl $B%$%s%?!<%U%'!<%9(B </A>
</H2>

<P>
<P>Coda $B%U%!%$%k%7%9%F%`$K8GM-$NMW5a$r!"(Bpioctl $B%$%s%?!<%U%'!<%9$r2p$7$F!"%"(B
$B%W%j%1!<%7%g%s$+$i9T$&$3$H$,$G$-$^$9!#(Bpioctl $B$O2>A[%U%!%$%k(B
<CODE>/coda/.CONTROL</CODE> $B$KBP$9$kIaDL$N(B ioctl $B$H$7$F<BAu$5$l$^$9!#(Bpioctl
$B%3!<%k$O$3$N%U%!%$%k$r3+$-!"%U%!%$%k%O%s%I%k$rF@$F(B ioctl $B%3!<%k$r9T$$$^(B
$B$9!#:G8e$K$=$N%U%!%$%k$rJD$8$^$9!#(B
<P>$B$3$3$G$N%+!<%M%k$N4XM?$O(B open, close, ioctl $B$X$N%a%C%;!<%8EO$7!"(Bpioctl
$B%G!<%?%P%C%U%!Fb$N%Q%9$,(B Coda $B%U%!%$%k%7%9%F%`$NCf$N%U%!%$%k$G$"$k$3$H$N(B
$B3NG'!"$N;EAH$_$NDs6!$K@)8B$5$l$^$9!#(B
<P>$B%+!<%M%k$O<!$N7A<0$N%G!<%?%Q%1%C%H$rEO$5$l$^$9(B -
<PRE>
    struct {
        const char *path;
        struct ViceIoctl vidata;
        int follow;
    } data;
</PRE>
<P>$B$3$3$G(B
<P>
<PRE>
struct ViceIoctl {
        caddr_t in, out;        /* Data to be transferred in, or out */
        short in_size;          /* Size of input buffer &lt;= 2K */
        short out_size;         /* Maximum size of output buffer, &lt;= 2K */
};
</PRE>
<P><CODE>path</CODE>$B$O(B Coda $B%U%!%$%k$G$J$1$l$P$J$i$:!"$=$&$G$J$1$l$P(B <CODE>ioctl</CODE>
upcall $B$O9T$o$l$J$$$G$7$g$&!#(B
<P><B>$BCm5-(B</B>  $B%G!<%?9=B$BN$*$h$S%3!<%I$O$`$A$c$/$A$c$G$9!#$3$l$r@0M}$9$kI,(B
$BMW$,$"$j$^$9!#(B
<P>$B8D!9$N%3!<%k$r@bL@$7$^$9(B -
<P>
<H2><A NAME="ss4.3">4.3 root</A>
</H2>

<P>
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>$B6u(B
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_root_out {
            ViceFid VFid;
        } cfs_root;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N%3!<%k$O(B Coda $B%U%!%$%k%7%9%F%`$N=i4|2=Cf$K(B Venus $B$X9T$o$l(B
$B$^$9!#(B<CODE>$B7k2L(B</CODE>$B$,(B 0 $B$J$i!"(B<CODE>cfs_root</CODE> $B9=B$BN$K$O(B Coda $B%U%!%$%k%7%9%F%`(B
$B$N%k!<%H$N(B ViceFid $B$,F~$C$F$$$^$9!#(B0 $B$G$J$$7k2L$,@8@.$5$l$k>l9g!"$=$NCM(B
$B$O(B Coda $B%U%!%$%k%7%9%F%`$N%k!<%H$r8+$D$1$k:]$K(B Venus $B$,LdBj$K=P9g$C$?$3(B
$B$H$r<($9%W%i%C%H%U%)!<%`$K0MB8$7$?%(%i!<%3!<%I$G$9!#(B
<P>
<H2><A NAME="ss4.4">4.4 lookup</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%G%#%l%/%H%j$K$=$N(B ViceFid $B$*$h$S%*%V%8%'%/%H$N<oJL$,B8:_$9$k(B
$B$+C5$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct  cfs_lookup_in {
            ViceFid     VFid;
            char        *name;          /* Place holder for data. */
        } cfs_lookup;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_lookup_out {
            ViceFid VFid;
            int vtype;
        } cfs_lookup;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N%3!<%k$O%G%#%l%/%H%j%(%s%H%j$N(B ViceFid $B$*$h$S(B filetype $B$r(B
$B7h$a$k$?$a$K9T$o$l$^$9!#MW5a$5$l$?%G%#%l%/%H%j%(%s%H%j$O(B <CODE>name</CODE> $B$H$$(B
$B$&L>A0$r;}$A!"(BVenus $B$O(B <CODE>cfs_lookup_in.VFid</CODE> $B$G;XDj$5$l$?%G%#%l%/%H%j(B
$B$r8!:w$9$k$G$7$g$&!#(B<CODE>$B7k2L(B</CODE>$B$O!"L>A0$,B8:_$7$J$$$+!"$=$l$r8+$D$1$k:]$K(B
$BLdBj$K=P9g$C$?(B ($BNc$($P%3%M%/%7%g%s$,@Z$l$?(B) $B$3$H$r<($9$+$b$7$l$^$;$s!#(B
<CODE>$B7k2L(B</CODE>$B$,(B 0 $B$J$i!"%U%#!<%k%I(B <CODE>cfs_lookup_out.VFid</CODE> $B$OBP>]$N(B ViceFid
$B$,F~$j!"(B<CODE>cfs_lookup_out.vtype</CODE> $B$K$O%*%V%8%'%/%H$N<oJL$r<($9L>A0(B
<CODE>coda_vtype</CODE> $B$,F~$j$^$9!#(B
<P>$B%*%V%8%'%/%H$NL>A0$O:GBgD9(B CFS_MAXNAMLEN $B$N(B 8 $B%S%C%HJ8;zNs$G!"8=:_(B
CFS_MAXNAMLEN $B$O(B 256 $B$K@_Dj$5$l$F$$$^$9(B ($BJ8;z?t$O(B 0 $B%?!<%_%M!<%?J8;z$r4^(B
$B$_$^$9(B)$B!#(B
<P>$B%*%V%8%'%/%H$,%+!<%M%k$N%M!<%`%-%c%C%7%e$KCV$+$l$F$O$J$i$J$$$3$H$r<($9(B
<CODE>CFS_NOCACHE</CODE> $B$G!"(BVenus $B$,%U%#!<%k%I(B <CODE>cfs_lookup.vtype</CODE> $B$r%S%C%HOB(B
$B$7$F$$$k$3$H$rM}2r$9$k$3$H$OHs>o$K=EMW$G$9!#3F%[%9%H$G6%9g$9$k%U%!%$%k$d(B
Coda $B4IM}2<$N%U%!%$%k%7%9%F%`Fb$N<B:]$N%U%!%$%k$O%+!<%M%k$K7h$7$F%-%c%C(B
$B%7%e$5$l$F$O$J$i$:!"(Blookup $B$OKh2s(B Venus $B$K9T$o$l$J$1$l$P$J$j$^$;$s!#(B
<P><B>$BCm5-(B</B> vtype $B$N<oJL$O8=>u8m$j$G$9!#(B<CODE>coda_vtype</CODE> $B$K$J$k$Y$-$G$9!#(B
Linux $B$O(B <CODE>CFS_NOCACHE</CODE> $B$rB0@-$r9MN8$7$^$;$s$,!"9MN8$9$Y$-$G$9!#(B
<P>
<H2><A NAME="ss4.5">4.5 getattr</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$NB0@-$rF@$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_getattr_in {
            ViceFid VFid;
            struct coda_vattr attr; /* XXXXX */
        } cfs_getattr;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_getattr_out {
            struct coda_vattr attr;
        } cfs_getattr;
</PRE>
</DL>
<P><B>$B>\:Y(B</B>
$B$3$N%3!<%k$O(B fid $B$G;XDj$5$l$?%U%!%$%k$NB0@-$rJV$7$^$9!#(B
<P><B>$B%(%i!<(B</B> fid $B$r;}$C$?%*%V%8%'%/%H$,B8:_$7$J$$$+%"%/%;%9$G$-$J$$>l9g$d(B
$B8F$S=P$785$KB0@-$r8+$k%Q!<%_%C%7%g%s$,$J$$>l9g!"%(%i!<$,5/$-$k2DG=@-$,$"(B
$B$j$^$9!#(B
<P><B>$BCm5-(B</B> $B%+!<%M%k(B FS $B%I%i%$%P(B (Linux$B!"(BNT, Windows 95) $B$NB?$/$O!"FbIt$N(B
&quot;inode&quot; $B$d(B &quot;FileHandle&quot; $B$N%$%s%9%?%s%9$r:n@.$9$k(B
$B$?$a$K!"(BFid $B$@$1$G$J$/B0@-$bF@$kI,MW$,$"$j$^$9!#$3$N$h$&$J%7%9%F%`$G$O(B
Venus/$B%+!<%M%kAj8_:nMQ%l%Y%k$H(B RPC $B%l%Y%k$NN>J}$G!"(B<EM>lookup</EM> $B$H(B
<EM>getattr</EM> $B%3!<%k$rAH9g$o$;$k$3$H$K$h$C$F%Q%U%)!<%^%s%9$rCx$7$/8~>e$G(B
$B$-$k$+$b$7$l$^$;$s!#(B
<P>$BF~NO$N0z$-?tFb$N(B <CODE>vattr</CODE> $B9=B$BN$OM>J,$G:o=|$5$l$k$Y$-$G$9!#(B
<P>
<H2><A NAME="ss4.6">4.6 setattr</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$NB0@-$r@_Dj$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_setattr_in {
            ViceFid VFid;
            struct coda_vattr attr;
        } cfs_setattr;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B6u(B
</DL>
<P><B>$B>\:Y(B</B> $B9=B$BN(B <CODE>attr</CODE> $B$O(B BSD $B%9%?%$%k$KJQ99$5$l$?B0@-$G5-F~$5$l$^$9!#(B
<CODE>VNON</CODE> $B$K@_Dj$5$l$k(B <CODE>vtype</CODE> $B0J30$NJQ99$5$l$J$$B0@-$O(B -1 $B$K@_Dj$5$l(B
$B$^$9!#B>$O;XDj$5$l$?CM$K@_Dj$5$l$^$9!#$?$@$7!"(BFS $B%I%i%$%P$,JQ99$NMW5a$r(B
$B9T$C$F$h$$B0@-$O!"(Bmode, ownner, groupid, atime, mtime, ctime $B$@$1$G$9!#(B
$BJV$jCM$O@.8y$+<:GT$r<($7$^$9!#(B
<P><B>$B%(%i!<(B</B> $BMM!9$J%(%i!<$,5/$3$k2DG=@-$,$"$j$^$9!#%*%V%8%'%/%H$,B8:_$7$J(B
$B$$!"%"%/%;%9$G$-$J$$!"%Q!<%_%C%7%g%s$,(B Venus $B$+$iM?$($i$l$J$$$J$I!#(B
<P>
<H2><A NAME="ss4.7">4.7 access</A>
</H2>

<P>
<P><B>$B35MW(B</B>
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_access_in {
            ViceFid     VFid;
            int flags;
        } cfs_access;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B6u(B
</DL>
<P><B>$B>\:Y(B</B> <CODE>flags</CODE> $B$K5-:\$5$l$?A`:n$r9T$&$?$a$K!"(B<CODE>VFid</CODE> $B$G;XDj$5$l(B
$B$k%*%V%8%'%/%H$N%"%/%;%98"$,F@$i$l$k$+$I$&$+3NG'$r$7$^$9!#7k2L$O%"%/%;%9(B
$B8"$NM-L5$r<($7$^$9!#(BCoda $B$OJ]8n$r6/2=$9$k$?$a$K(B ACL $B$r;H$C$F$*$j!"7k6I$N(B
$B$H$3$m%/%i%$%"%s%H$G$O$J$/%5!<%P$,%7%9%F%`$N%;%-%e%j%F%#$rJ]>Z$7$F$$$k$H(B
$B$$$&$3$H$rCN$C$F$*$/$3$H$O=EMW$G$9!#$3$N%3!<%k$N7k2L$O!"%f!<%6$,(B
<EM>$B%H!<%/%s(B</EM>$B$rJ];}$7$F$$$k$+$I$&$+$K0MB8$9$k$G$7$g$&!#(B
<P><B>$B%(%i!<(B</B> $B%*%V%8%'%/%H$OB8:_$7$J$$$+$b$7$l$^$;$s!"$b$7$/$OJ]8n>pJs$r5-(B
$B:\$9$k(B ACL $B$O%"%/%;%92DG=$G$O$J$$$+$b$7$l$^$;$s!#(B
<P>
<H2><A NAME="ss4.8">4.8 create</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$r:n@.$9$k$?$a$K8F$S=P$5$l$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_create_in {
            ViceFid VFid;
            struct coda_vattr attr;
            int excl;
            int mode;
            char        *name;          /* Place holder for data. */
        } cfs_create;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_create_out {
            ViceFid VFid;
            struct coda_vattr attr;
        } cfs_create;
</PRE>
</DL>
<P><B>$B>\:Y(B</B>  $B$3$N(B upcall $B$O%U%!%$%k$N:n@.$rMW5a$9$k$?$a$K8F$S=P$5$l$^$9!#(B
$B%U%!%$%k$O(B <CODE>VFid</CODE> $B$G;XDj$5$l$?%G%#%l%/%H%j$NCf$K:n@.$5$l!"$=$NL>A0$O(B
<CODE>name</CODE>$B!"%b!<%I$O(B <CODE>mode</CODE> $B$K$J$k$G$7$g$&!#(B<CODE>excl</CODE> $B$,@_Dj$5$l$?>l9g!"(B
$B%U%!%$%k$,4{$KB8:_$9$l$P%(%i!<$,JV$k$G$7$g$&!#(Battr $B$N(B size $B%U%#!<%k%I$,(B
0 $B$K@_Dj$5$l$?>l9g!"%U%!%$%k$O@Z$j$D$a$i$l$^$9!#%U%!%$%k$N(B uid $B$*$h$S(B
gid $B$O(B CodaCred $B$rJQ49$7@_Dj$5$l!"(Buid $B$O%^%/%m(B <CODE>CRTOUID</CODE> $B$,MQ$$$i$l$^(B
$B$9(B ($B$3$N%^%/%m$O%W%i%C%H%U%)!<%`$K0MB8$7$^$9(B)$B!#@.8y$7$?>l9g!"%U%!%$%k$N(B
VFid $B$*$h$SB0@-$,JV$5$l$^$9!#(BCoda FS $B%I%i%$%P$ODL>o%+!<%M%k%l%Y%k$G?7$7(B
$B$$%*%V%8%'%/%H$N$?$a$K(B vnode, inode $B$b$7$/$O%U%!%$%k%O%s%I%k$N%$%s%9%?%s(B
$B%9$r:n@.$9$k$G$7$g$&!#(B
<P><B>$B%(%i!<(B</B> $BMM!9$J%(%i!<$,5/$3$k2DG=@-$,$"$j$^$9!#%Q!<%_%C%7%g%s$OIT==J,(B
$B$+$b$7$l$^$;$s!#%*%V%8%'%/%H$,B8:_$7$=$l$,%U%!%$%k$G$J$$>l9g!"(BUnix $B2<$G(B
$B%(%i!<(B <CODE>EISDIR</CODE> $B$,JV$5$l$^$9!#(B
<P><B>$BCm5-(B</B> $B%Q%i%a!<%?$NAH$_$O$H$F$bHs8zN(E*$G!"%7%9%F%`%3!<%k$N(B creat $B$H(B
VFS $BA`:n$N(B create $B$H$N:.F1$r<($7$?$b$N$H;W$o$l$^$9!#(BVFS $BA`:n$N(B create $B$O(B
$B?7$7$$%*%V%8%'%/%H$N:n@.$N:]$K$@$1%3!<%k$5$l$^$9!#$3$N(B create $B%3!<%k$O(B
Unix $B$N%3!<%k$H$O0[$J$j!"%U%!%$%k%G%#%9%/%j%W%?$rJV$9$?$a$K8F$S=P$5$l$k(B
$B$3$H$O$"$j$^$;$s!#%H%i%s%1!<%H$H%$%/%9%/%k%7%V$N%*%W%7%g%s!"$*$h$S%b!<%I(B
$B$O!"C1$K(B Unix $B2<$G$N%b!<%I$N0lIt$K$G$-$k$O$:$G$9!#%U%i%0$N0z$-?t$,$"$k$Y(B
$B$-$G$O$"$j$^$;$s(B - $B8=:_$3$l$O!"(BREAD $B$b$7$/$O(B WRITE $B%b!<%IMQ$N%U%!%$%k%G%#(B
$B%9%/%W%j%?$rJV$9$?$a$K(B <CODE>open</CODE> (2) $B$G;H$o$l$F$$$^$9!#(B
<P>$B%G%#%l%/%H%j$NB0@-$b!"(Bsize $B$*$h$S(B mtime $B$,JQ99$5$l$k$N$G!"JV$5$l$k$O$:$G(B
$B$9!#(B
<P>
<H2><A NAME="ss4.9">4.9 mkdir</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B?7$7$$%G%#%l%/%H%j$r:n@.$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_mkdir_in {
            ViceFid     VFid;
            struct coda_vattr attr;
            char        *name;          /* Place holder for data. */
        } cfs_mkdir;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_mkdir_out {
            ViceFid VFid;
            struct coda_vattr attr;
        } cfs_mkdir;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N%3!<%k$O(B <CODE>create</CODE> $B$K;w$F$$$^$9$,!"%G%#%l%/%H%j$r:n@.$7(B
$B$^$9!#F~NO%Q%i%a!<%?$N(B <CODE>mode</CODE> $B%U%#!<%k%I$@$1$,:n@.$N$?$a$K;H$o$l$^$9!#(B
$B:n@.$,@.8y$7$?>l9g!"JV$5$l$k(B <CODE>attr</CODE> $B$O?7$7$$%G%#%l%/%H%j$NB0@-$r;}$A(B
$B$^$9!#(B
<P><B>$B%(%i!<(B</B> create $B$HF1MM$G$9!#(B
<P><B>$BCm5-(B</B> $BF~NO%Q%i%a!<%?$OB0@-$NJQ$o$j$K(B <CODE>mode</CODE> $B$XJQ99$5$l$k$O$:$G$9!#(B
<P>$B?F$NB0@-$O!"(Bsize $B$*$h$S(B mtime $B$,JQ$o$k$N$G!"JV$5$l$k$O$:$G$9!#(B
<P>
<H2><A NAME="ss4.10">4.10 link</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B4{B8%U%!%$%k$X$N%j%s%/$r:n@.$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_link_in {
            ViceFid sourceFid;          /* cnode to link *to* */
            ViceFid destFid;            /* Directory in which to place link */
            char        *tname;         /* Place holder for data. */
        } cfs_link;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B6u(B
</DL>
<P><B>$B>\:Y(B</B> $B$3$N%3!<%k$O!"L>A0(B <CODE>tname</CODE> $B$r;}$C$?(B <CODE>destFid</CODE> $B$G;XDj$5$l(B
$B$k%G%#%l%/%H%j$NCf$K(B <CODE>sourceFid</CODE> $B$X$N%j%s%/$r:n@.$7$^$9!#%=!<%9$O%?!<(B
$B%2%C%H$N?F%G%#%l%/%H%jFb$KB8:_$7$J$1$l$P$J$j$^$;$s!#$D$^$j!"%=!<%9$N?F%G%#(B
$B%l%/%H%j$O(B <CODE>destFid</CODE> $B$G$J$1$l$P$J$j$^$;$s!#$D$^$j(B Coda $B$O%G%#%l%/%H%j(B
$B$r$^$?$$$@%O!<%I%j%s%/$r%5%]!<%H$7$F$$$^$;$s!#JV$jCM$O4XO"$9$k$b$N$@$1$G(B
$B$9!#$=$l$O@.8y$b$7$/$O<:GT$N<oJL$r<($7$^$9!#(B
<P><B>$B%(%i!<(B</B> $BDL>o$N%(%i!<$,5/$3$k2DG=@-$,$"$j$^$9!#(B
<H2><A NAME="ss4.11">4.11 symlink</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%7%s%\%j%C%/%j%s%/$r:n@.$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_symlink_in {
            ViceFid     VFid;          /* Directory to put symlink in */
            char        *srcname;
            struct coda_vattr attr;
            char        *tname;
        } cfs_symlink;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B> $B%7%s%\%j%C%/%j%s%/$r:n@.$7$^$9!#%j%s%/$O(B <CODE>VFid</CODE> $B$G;XDj$5$l(B
$B$k%G%#%l%/%H%j$KCV$+$l!"(B<CODE>tname</CODE> $B$NL>A0$K$J$j$^$9!#$=$l$O%Q%9L>(B
<CODE>srcname</CODE> $B$r;X$9$O$:$G$9!#?7$7$/:n@.$5$l$?%*%V%8%'%/%H$NB0@-$O(B
<CODE>attr</CODE> $B$,@_Dj$5$l$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B%?!<%2%C%H%G%#%l%/%H%j$NB0@-$O!"(Bsize $B$,JQ99$5$l$k$N$G!"JV$5$l(B
$B$k$O$:$G$9!#(B
<P>
<H2><A NAME="ss4.12">4.12 remove</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$r:o=|$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_remove_in {
            ViceFid     VFid;
            char        *name;          /* Place holder for data. */
        } cfs_remove;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B>  <CODE>VFid</CODE> $B$G;XDj$5$l$k%G%#%l%/%H%j$NCf$N(B
<CODE>cfs_remove_in.name</CODE> $B$G;XDj$5$l$?%U%!%$%k$r:o=|$7$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B%G%#%l%/%H%j$NB0@-$O!"(Bsize $B$*$h$S(B mtime $B$,JQ$o$k$+$b$7$l$J$$$N(B
$B$G!"JV$5$l$k$O$:$G$9!#(B
<P>
<H2><A NAME="ss4.13">4.13 rmdir</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%G%#%l%/%H%j$r:o=|$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_rmdir_in {
            ViceFid     VFid;
            char        *name;          /* Place holder for data. */
        } cfs_rmdir;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B> <CODE>VFid</CODE> $B$G;XDj$5$l$k%G%#%l%/%H%j$+$i(B <CODE>name</CODE> $B$G;XDj$5$l$?(B
$B%G%#%l%/%H%j$r:o=|$7$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B?F%G%#%l%/%H%j$NB0@-$O!"(Bsize $B$*$h$S(B mtime $B$,JQ$o$k$+$b$7$l$J$$(B
$B$N$G!"JV$5$l$k$O$:$G$9!#(B
<P>
<H2><A NAME="ss4.14">4.14 readlink</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%7%s%\%j%C%/%j%s%/$NCM$rFI$_=P$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_readlink_in {
            ViceFid VFid;
        } cfs_readlink;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_readlink_out {
            int count;
            caddr_t     data;           /* Place holder for data. */
        } cfs_readlink;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N%k!<%A%s$O(B <CODE>VFid</CODE> $B$G;XDj$5$l$k%7%s%\%j%C%/%j%s%/$NFbMF(B
$B$r%P%C%U%!(B <CODE>data</CODE> $B$NCf$KFI$_=P$7$^$9!#%P%C%U%!(B <CODE>data</CODE> $B$O$I$s$JL>A0(B
$B$G$bJ];}$G$-$k$h$&$K(B <CODE>CFS_MAXNAMLEN</CODE> $B$NBg$-$5$,I,MW$G$9(B (PATH $B$b$7$/(B
$B$O(B NAME??)$B!#(B
<P><B>$B%(%i!<(B</B> $BDL>o$N%(%i!<$@$1$G$9!#(B
<P>
<H2><A NAME="ss4.15">4.15 open</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$r3+$-$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_open_in {
            ViceFid     VFid;
            int flags;
        } cfs_open;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_open_out {
            dev_t       dev;
            ino_t       inode;
        } cfs_open;
</PRE>
</DL>
<P><B>$B>\:Y(B</B>  $B$3$l$O(B <CODE>VFid</CODE> $B$G;XDj$5$l$k%U%!%$%k$r(B Venus $B$N%-%c%C%7%e$K(B
$BCV$/$h$&(B Venus $B$K0MMj$7!"<!$K8F$S=P$785$N%W%m%;%9$,(B <CODE>open(2)</CODE> $B$N(B
<CODE>flags</CODE> $B$NCM$G$=$N%-%c%C%7%eFb$N%U%!%$%k$r3+$/$h$&;XDj$9$k0lO"$NMW5a(B
$B$G$9!#%+!<%M%k$X$NJV$jCM$O(B Unix $B$H(B Windows $B%7%9%F%`$G$O0[$J$j$^$9!#(BUnix
$B%7%9%F%`$G$O(B Coda FS $B%I%i%$%P$O(B <CODE>dev</CODE> $B$*$h$S(B <CODE>inode</CODE> $B$N%U%#!<%k%I(B
$B$NCf$N%3%s%F%J%U%!%$%k$N%G%P%$%9$*$h$S(B inode $B$NHV9f$rDLCN$5$l$^$9!#(B
Windows $B$G$O!"%3%s%F%J%U%!%$%k$N%Q%9$,%+!<%M%k$KJV$5$l$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B8=>u!"(B<CODE>cfs_open_out</CODE> $B9=B$BN$O(B Windows $B4D6-$G$NA`:n$H87L)$K(B
$B$O@09g@-$,$H$l$F$$$^$;$s!#0l$D$O%3%s%F%J%U%!%$%k$NL>A0$G3+$/!"$b$&0l$D$O(B
$B%3%s%F%J%U%!%$%k$N(B inode $B$G3+$/!"$H$$$&Fs$D$N(B upcall $B$r<BAu$9$k$3$H$,:G(B
$BNI$+$b$7$l$^$;$s!#(B
<P>
<H2><A NAME="ss4.16">4.16 close</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$rJD$8!"%5!<%P>e$G$=$l$r99?7$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_close_in {
            ViceFid     VFid;
            int flags;
        } cfs_close;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B>  <CODE>VFid</CODE> $B$G;XDj$5$l$k%U%!%$%k$rJD$8$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> <CODE>flags</CODE> $B0z$-?t$OL50UL#$G!";HMQ$5$l$^$;$s!#$7$+$7$J$,$i!"(B
Venus $B$N%3!<%I$O(B <CODE>execp</CODE> $BF~NO%U%#!<%k%I$r07$&M>CO$,$"$j!"$?$V$s!"$3$N(B
$B%U%#!<%k%I$O!"%U%!%$%k$OJD$8$i$l$?$,<B9T$N$?$a$K%a%b%j$K%^%C%W$5$l$?$^$^(B
$B$G$"$k$3$H$r!"(BVenus $B$KDLCN$9$k$?$a$K;H$o$l$k$3$H$K$J$k$O$:$G$9!#(BVenus
<CODE>vproc_vfscalls</CODE> $B$G%G!<%?$r<h$C$F$/$k$3$H$*$h$S<h$C$F$3$J$$$3$H$K$D$$(B
$B$F$NCm<a$,$"$j$^$9!#$3$l$OJQ$G$9!#%U%!%$%k$,JD$8$i$l$F$$$k>l9g!"%3%s%F%J(B
$B%U%!%$%k$NCf$N%G!<%?$O?7$7$$%G!<%?$K$J$C$F$$$k$H$9$Y$-$@$+$i$G$9!#$3$3$G(B
$B$b(B <CODE>execp</CODE> $B%U%i%0$O:.Mp$N85$K$J$C$F$$$k$+$b$7$l$^$;$s(B - $B8=:_$N(B Venus 
$B$G$O%U%!%$%k$,@EE*$J%a%b%j$K%^%C%W$5$l$F$$$k$N$K$b$+$+$o$i$:!"%U%!%$%k$r(B
$B%-%c%C%7%e$+$i%U%i%C%7%e$G$-$k$H9M$($k$+$b$7$l$^$;$s!#$3$N$3$H$rM}2r$9$k(B
$BI,MW$,$"$j$^$9!#(B
<P>
<H2><A NAME="ss4.17">4.17 ioctl</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$KBP$9$k(B ioctl $B$r9T$$$^$9!#$3$l$O(B pioctl $B%$%s%?!<%U%'!<(B
$B%9$r4^$_$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_ioctl_in {
            ViceFid VFid;
            int cmd;
            int len;
            int rwflag;
            char *data;                 /* Place holder for data. */
        } cfs_ioctl;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_ioctl_out {
            int len;
            caddr_t     data;           /* Place holder for data. */
        } cfs_ioctl;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B%U%!%$%k$KBP$9$k(B ioctl $BA`:n$r9T$$$^$9!#(B <CODE>command, len,
data</CODE> $B0z$-?t$ODL>o5-:\$5$l$^$9!#(B<CODE>flags</CODE> $B$r(B Venus $B$O;HMQ$7$^$;$s!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B$3$3$G$bL5MQ$J%Q%i%a!<%?$G$9!#(B<CODE>flags</CODE> $B$O;H$o$l$^$;$s!#(BVenus
$B$N%3!<%ICf$N(B PREFETCHING $B$r2?$K;H$*$&$H8@$&$D$b$j$J$s$G$7$g$&(B ?
<P>
<P>
<H2><A NAME="ss4.18">4.18 rename</A>
</H2>

<P>
<P><B>$B35MW(B</B> fid $B$NL>A0$rJQ99$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_rename_in {
            ViceFid     sourceFid;
            char        *srcname;
            ViceFid destFid;
            char        *destname;
        } cfs_rename;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B>  $B%G%#%l%/%H%j(B <CODE>sourceFid</CODE> $B$NCf$N(B <CODE>srcname</CODE> $B$H$$$&L>A0$N(B
$B%*%V%8%'%/%H$r(B <CODE>destFid</CODE> $B$NCf$N(B <CODE>destname</CODE> $B$KJQ99$7$^$9!#L>A0(B
<CODE>srcname</CODE> $B$*$h$S(B <CODE>destname</CODE> $B$NJ8;zNs$O(B 0 $B$G%?!<%_%M!<%H$7$F$/$@$5(B
$B$$!#(BUnix $B%+!<%M%k$K$*$1$kJ8;zNs$O$$$D$b(B null $B%?!<%_%M!<%H$5$l$F$$$k$H$O(B
$B8B$j$^$;$s!#(B
<P><B>$B%(%i!<(B</B>
<P>
<H2><A NAME="ss4.19">4.19 readdir</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%G%#%l%/%H%j%(%s%H%j$rFI$_=P$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_readdir_in {
            ViceFid     VFid;
            int count;
            int offset;
        } cfs_readdir;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_readdir_out {
            int size;
            caddr_t     data;           /* Place holder for data. */
        } cfs_readdir;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B%G%#%l%/%H%j%(%s%H%j$r(B <CODE>VFid</CODE> $B$N(B <CODE>offset</CODE> $B$+$i:GBg(B
<CODE>count</CODE> $B%P%$%HFI$_=P$7$^$9!#%G!<%?$O(B <CODE>data</CODE> $B$NCf$KJV$5$l!"$=$N%5%$(B
$B%:$r<($9(B <CODE>size</CODE> $B$,JV$j$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B$3$N%3!<%k$O;HMQ$5$l$^$;$s!#(BReaddir $BA`:n$O%3%s%F%J%U%!%$%k$r>C(B
$BHq$9$k$?$a$G$9!#$3$l$+$i9T$&%G%#%l%/%H%j$N2~NI$N4V$K!"$3$N7o$r:F9M$7$^$9!#(B
<P>
<P>
<H2><A NAME="ss4.20">4.20 vget</A>
</H2>

<P>
<P><B>$B35MW(B</B> <CODE>FSDB->Get</CODE> $B$r9T$&$h$&(B Venus $B$K;X<($7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_vget_in {
            ViceFid VFid;
        } cfs_vget;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_vget_out {
            ViceFid VFid;
            int vtype;
        } cfs_vget;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N(B upcall $B$O(B <CODE>VFid</CODE> $B$G%i%Y%kIU$1$5$l$?(B <CODE>fsobj</CODE> $B$KBP$7(B
$B$F!"(B<CODE>get</CODE> $BA`:n$r9T$&$h$&(B Venus $B$K0MMj$7$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B$3$NA`:n$O;HMQ$5$l$^$;$s!#$7$+$7$J$,$i!"%a%b%j$K%^%C%W$5$l$?%U%!(B
$B%$%k$NFI$_=P$7!?=q$-9~$_$KBP1~$9$k$?$a$K;H$&$3$H$,$G$-$k$N$G!"Hs>o$KM-MQ(B
$B$G$9!#$3$l$i$N%U%!%$%k$O(B <CODE>vget</CODE> $B$r;HMQ$7$F(B Venus $B$N%-%c%C%7%e$NCf$K(B
$B!V8GDj!W$G$-!"(B<CODE>inactive</CODE> $B$G2rJ|$G$-$^$9!#(B
<P>
<H2><A NAME="ss4.21">4.21 fsync</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$N(B RVM $BB0@-$r99?7$9$k$h$&(B Venus $B$KL?$8$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_fsync_in {
            ViceFid VFid;
        } cfs_fsync;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B>  $B%*%V%8%'%/%H(B <CODE>VFid</CODE> $B$N(B RVM $BB0@-$r99?7$9$k$h$&(B Venus $B$K0MMj(B
$B$7$^$9!#$3$l$O%+!<%M%k%l%Y%k$N(B <CODE>fsync</CODE> $B$NN`$$$N%3!<%k$N0lIt$H$7$F8F$P(B
$B$l$k$O$:$G$9!#(B<CODE>$B7k2L(B</CODE>$B$OF14|$,@.8y$7$?$+$I$&$+$r<($7$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>NOTE</B> Linux $B$O$3$N%3!<%k$r<BAu$7$F$$$^$;$s!#<BAu$9$Y$-$G$9(B
<P>
<H2><A NAME="ss4.22">4.22 inactive</A>
</H2>

<P>
<P><B>$B35MW(B</B> vnode $B$r$b$&;HMQ$7$J$$$H(B Venus $B$KL?$8$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_inactive_in {
            ViceFid VFid;
        } cfs_inactive;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>$B$J$7(B
</DL>
<P><B>$B>\:Y(B</B> $B$3$NA`:n$O(B <CODE>EOPNOTSUPP</CODE> $B$,JV$j$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B$3$l$O$?$V$s:o=|$5$l$k$O$:$G$9!#(B
<P>
<H2><A NAME="ss4.23">4.23 rdwr</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B%U%!%$%k$KBP$7FI$_=P$7$+=q$-9~$_$r$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct cfs_rdwr_in {
            ViceFid     VFid;
            int rwflag;
            int count;
            int offset;
            int ioflag;
            caddr_t     data;           /* Place holder for data. */    
        } cfs_rdwr;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct cfs_rdwr_out {
            int rwflag;
            int count;
            caddr_t     data;   /* Place holder for data. */
        } cfs_rdwr;
</PRE>
</DL>
<P><B>$B>\:Y(B</B> $B$3$N(B upcall $B$O%U%!%$%k$KBP$7FI$_=P$7$+=q$-9~$_$r9T$&$h$&(B Venus
$B$K0MMj$7$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $BFI$_=P$7!?=q$-9~$_$NA`:n$r(B Venus $B$O9T$o$J$$$H$$$&(B Coda $B$N<g5A(B
$B$K5U$i$&$3$H$J$N$G!"$3$l$O:o=|$5$l$k$O$:$G$9!#$3$NA`:n$OF0:n$7$J$$$HJ9$$(B
$B$F$$$^$9!#8=:_;HMQ$5$l$F$$$^$;$s!#(B
<P>
<P>
<H2><A NAME="ss4.24">4.24 odymount</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B0l$D$N(B Unix $B$N%^%&%s%H%]%$%s%H$KJ#?t$N(B Coda $B%U%!%$%k%7%9%F%`$r(B
$B%^%&%s%H$9$k$3$H$r2DG=$H$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>
<PRE>
        struct ody_mount_in {
            char        *name;          /* Place holder for data. */
        } ody_mount;
</PRE>
<DT><B>$B=PNO(B</B><DD><P>
<PRE>
        struct ody_mount_out {
            ViceFid VFid;
        } ody_mount;
</PRE>
</DL>
<P><B>$B>\:Y(B</B>  <CODE>name</CODE> $B$G;XDj$5$l$?(B Coda $B%7%9%F%`$N(B rootfid $B$rJV$9$h$&(B
Venus $B$K0MMj$7$^$9!#(Bfid $B$O(B <CODE>VFid</CODE> $B$NCf$KJV$5$l$^$9!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $B$3$N%3!<%k$O(B dynamic set $B8~$1$K(B David $B$,;H$C$F$$$^$7$?!#$3$l$O(B
VFS $B%^%&%s%F%#%s%0NN0h$N%]%$%s%?$rJ#;($K$7$F$7$^$&$N$G!":o=|$5$l$k$O$:$G(B
$B$9!#IaDL$N(B Coda $B$O;HMQ$7$^$;$s!#$3$N%3!<%k$O(B Venus $B$G$O<BAu$5$l$F$$$^$;(B
$B$s!#(B
<P>
<H2><A NAME="ss4.25">4.25 ody_lookup</A>
</H2>

<P>
<P><B>$B35MW(B</B> $B2?$+$rD4$Y$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>$BL54X78(B
<DT><B>$B=PNO(B</B><DD><P>$BL54X78(B
</DL>
<P><B>$B>\:Y(B</B>
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $BCf?H$O$"$j$^$;$s!#$3$N%3!<%k$O(B Venus $B$G$O<BAu$5$l$F$$$^$;$s!#(B
<P>
<H2><A NAME="ss4.26">4.26 ody_expand</A>
</H2>

<P>
<P><B>$B35MW(B</B> dynamic set $B$K$*$1$k2?$+$r3HD%$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>$BL54X78(B
<DT><B>$B=PNO(B</B><DD><P>$BL54X78(B
</DL>
<P><B>$B>\:Y(B</B>
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $BCf?H$O$"$j$^$;$s!#$3$N%3!<%k$O(B Venus $B$G$O<BAu$5$l$F$$$^$;$s!#(B
<P>
<H2><A NAME="ss4.27">4.27 prefetch</A>
</H2>

<P>
<P><B>$B35MW(B</B> dynamic set $B$r@hFI$_$7$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>$B%I%-%e%a%s%H2=$5$l$F$$$^$;$s!#(B
<DT><B>$B=PNO(B</B><DD><P>$B%I%-%e%a%s%H2=$5$l$F$$$^$;$s!#(B
</DL>
<P><B>$B>\:Y(B</B>  Venus $B$N(B worker.cc $B$K$O$3$N%3!<%k$N%5%]!<%H$,$"$j$^$9$,!"F0:n(B
$B$7$J$$$H5-$5$l$F$$$^$9!#%+!<%M%k$O%5%]!<%H$7$F$$$^$;$s$N$G!"$3$l$O6C$/$Y(B
$B$-$3$H$G$O$"$j$^$;$s(B (ODY_PREFETCH $B$OF0:n$,Dj5A$5$l$F$$$^$;$s(B)$B!#(B
<P><B>$B%(%i!<(B</B>
<P><B>$BCm5-(B</B> $BCf?H$O$"$j$^$;$s!#%3!<%k$OF0:n$;$:!"(BCoda $B$G;HMQ$5$l$^$;$s!#(B
<P>
<P>
<H2><A NAME="ss4.28">4.28 signal</A>
</H2>

<P>
<P><B>$B35MW(B</B> upcall $B$K4X$9$k(B signal $B$r(B Venus $B$KAw$j$^$9!#(B
<P><B>$B0z$-?t(B</B>
<DL>
<DT><B>$BF~NO(B</B><DD><P>$B$J$7(B
<DT><B>$B=PNO(B</B><DD><P>$BHsE,MQ(B
</DL>
<P><B>$B>\:Y(B</B>  $B$3$l$O(B Venus $B$X$N(B upcall $B$NDL>o=hM}HO0O30$N$b$N$G!"(BVenus $B$,F~(B
$BNO%-%e!<$+$i%a%C%;!<%8$rFI$s$@8e!"8F$S=P$785$N%W%m%;%9$,(B signal $B$r<u$1<h$C(B
$B$?$3$H$r(B Venus $B$KDLCN$7$^$9!#(BVenus $B$OA`:n$r40N;$9$k$3$H$K$J$C$F$$$^$9!#(B
<P><B>$B%(%i!<(B</B> $B1~Ez$O$"$j$^$;$s!#(B
<P><B>$BCm5-(B</B> Venus $B$N40N;=hM}$r@5$7$/9T$&$?$a$K(B Venus $B$,2?$r40N;$9$kI,MW$,(B
$B$"$k$N$+$rNI$/M}2r$7$F$*$/I,MW$,$"$j$^$9!#$5$i$K!"%7%9%F%`%3!<%k$N>uBVKh(B
$B$KJ#?t$N(B upcall $B$r@53N$K07$&I,MW$,$"$j$^$9!#$^$?!"(BVenus $B$G(B upcall $B$N8e!"(B
$B%+!<%M%k$+$i(B ($B@UG$HO0O$H$7$F(B) $B40N;$NDLCN$r9T$&I,MW$N$"$k$I$N$h$&$J>uBV$,(B
Venus $B$G5/$-$k$N$+$rCN$k$3$H$,=EMW$G$9(B ($BNc$($P(B open $B$O4V0c$$$J$/$3$N$h$&(B
$B$J>uBVJQ2=$G$9$,!"B>$NB?$/$N$b$N$O$=$&$G$O$J$$$+$b$7$l$^$;$s(B)$B!#(B
<P>
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