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Man Pages
VOP_CREATE(9) FreeBSD Kernel Developer's Manual VOP_CREATE(9)

VOP_CREATE, VOP_MKNOD, VOP_MKDIR, VOP_SYMLINK
create a file, socket, fifo, device, directory or symlink

#include <sys/param.h>
#include <sys/vnode.h>
#include <sys/namei.h>
int
VOP_CREATE(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, struct vattr *vap);
int
VOP_MKNOD(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, struct vattr *vap);
int
VOP_MKDIR(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, struct vattr *vap);
int
VOP_SYMLINK(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, struct vattr *vap, char *target);

These entry points create a new file, socket, fifo, device, directory or symlink in a given directory.
The arguments are:
dvp
The locked vnode of the directory.
vpp
The address of a variable where the resulting locked vnode should be stored.
cnp
The pathname component created.
vap
The attributes that the new object should be created with.
target
The pathname of the target of the symlink.
These entry points are called after VOP_LOOKUP(9) when an object is being created.

The directory, dvp will be locked on entry and must remain locked on return. If the call is successful, the new object will be returned locked.

If successful, the vnode for the new object is placed in *vpp and zero is returned. Otherwise, an appropriate error is returned.

[]
The file system is full.
[]
The user's file system space or inode quota would be exceeded.

vnode(9), VOP_LOOKUP(9)

The function VOP_CREATE appeared in 4.3BSD.

This manual page was written by Doug Rabson.
July 24, 1996 FreeBSD 12.0-RELEASE

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