VOP_LINK(9) BSD Kernel Developer's Manual VOP_LINK(9)NAME
VOP_LINK -- create a new name for a file
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
int
VOP_LINK(struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
DESCRIPTION
This links a new name in the specified directory to an existing file.
Its arguments are:
dvp The vnode of the directory.
vp The vnode of the file to be linked.
cnp Pathname information about the file.
The pathname info should not be released on exit because it is done by the caller. The directory and file vnodes should not be released on
exit.
LOCKS
VOP_LINK() expects the directory and file vnodes to be locked on entry and will leave the vnodes locked on return.
RETURN VALUES
Zero is returned if the file was linked successfully, otherwise an error is returned.
ERRORS
[EMLINK] The file has too many links.
[EPERM] The file is immutable.
[EXDEV] A hard link is not possible between different file systems.
SEE ALSO vn_lock(9), vnode(9)AUTHORS
This manual page was originally written by Doug Rabson.
BSD July 24, 1996 BSD
Check Out this Related Man Page
VOP_LINK(9) BSD Kernel Developer's Manual VOP_LINK(9)NAME
VOP_LINK -- create a new name for a file
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
int
VOP_LINK(struct vnode *dvp, struct vnode *vp, struct componentname *cnp);
DESCRIPTION
This links a new name in the specified directory to an existing file.
Its arguments are:
dvp The vnode of the directory.
vp The vnode of the file to be linked.
cnp Pathname information about the file.
The pathname info should not be released on exit because it is done by the caller. The directory and file vnodes should not be released on
exit.
LOCKS
VOP_LINK() expects the directory and file vnodes to be locked on entry and will leave the vnodes locked on return.
RETURN VALUES
Zero is returned if the file was linked successfully, otherwise an error is returned.
ERRORS
[EMLINK] The file has too many links.
[EPERM] The file is immutable.
[EXDEV] A hard link is not possible between different file systems.
SEE ALSO vn_lock(9), vnode(9)AUTHORS
This manual page was originally written by Doug Rabson.
BSD July 24, 1996 BSD
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