VOP_REMOVE(9) BSD Kernel Developer's Manual VOP_REMOVE(9)NAME
VOP_REMOVE, VOP_RMDIR — remove a file or directory
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
int
VOP_REMOVE(struct vnode *dvp, struct vnode *vp,
struct componentname *cnp);
int
VOP_RMDIR(struct vnode *dvp, struct vnode *vp,
struct componentname *cnp);
DESCRIPTION
These entry points remove files and directories respectively.
The arguments are:
dvp the vnode of the directory
vp the vnode of the file to be removed
cnp pathname information about the file
LOCKS
Both dvp and vp should be locked on entry and remain locked on return.
RETURN VALUES
Zero is returned on success, otherwise an error code is returned.
PSEUDOCODE
int
vop_remove(struct vnode *dvp, struct vnode *vp, struct componentname *cnp)
{
int error = 0;
if (vp is immutable) {
error = EPERM;
goto out;
}
/*
* Remove name cnp->cn_nameptr from directory and update link count
* of vp.
*/
...;
/*
* Careful about trying to remove ".". XXX this should be handled
* higher up.
*/
if (dvp == vp)
vrele(vp);
else
vput(vp);
vput(dvp);
return error;
}
ERRORS
[EPERM] the file is immutable
[ENOTEMPTY] attempt to remove a directory which is not empty
SEE ALSOvnode(9), VOP_LOOKUP(9)AUTHORS
This man page was written by Doug Rabson.
BSD July 24, 1996 BSD
