freebsd-nq/share/man/man9/VOP_ABORTOP.9
Matthew Dillon fe11eb74af Update errors in documentation for various VOP_ calls. Specifically,
describe the correct locking state expected on entry and return.
1999-09-24 07:07:02 +00:00

77 lines
2.3 KiB
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.\" -*- nroff -*-
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.\" Copyright (c) 1996 Doug Rabson
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.Dd July 24, 1996
.Os
.Dt VOP_ABORTOP 9
.Sh NAME
.Nm VOP_ABORTOP
.Nd abort a directory operation
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/vnode.h>
.Ft int
.Fn VOP_ABORTOP "struct vnode *dvp" "struct componentname *cnp"
.Sh DESCRIPTION
This is called after
.Xr namei 9
when a
.Dv CREATE /
.Dv DELETE
isn't actually done.
If a buffer has been saved in anticipation of a
.Dv CREATE ,
delete it.
.Bl -tag -width dvp
.It Ar dvp
the vnode of the directory
.It Ar cnp
pathname information for the aborted operation
.El
.Sh PSEUDOCODE
.Bd -literal
int
vop_abortop(struct vnode *dvp, struct componentname *cnp)
{
if ((cnp->cn_flags & (HASBUF | SAVESTART)) == HASBUF)
free(cnp->cn_pnbuf, M_NAMEI);
return 0;
}
.Ed
.Sh LOCKS
.Fa dvp
should be locked on entry and remain locked on return.
.Sh SEE ALSO
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .