Copyright (c) 1996 Doug Rabson
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$FreeBSD: releng/10.2/share/man/man9/VOP_LINK.9 206622 2010-04-14 19:08:06Z uqs $
.Dd July 24, 1996 .Dt VOP_LINK 9 .Os .Sh NAME .Nm VOP_LINK .Nd create a new name for a file .Sh SYNOPSIS n sys/param.h n sys/vnode.h .Ft int .Fn VOP_LINK "struct vnode *dvp" "struct vnode *vp" "struct componentname *cnp" .Sh DESCRIPTION This links a new name in the specified directory to an existing file.
p Its arguments are: l -tag -width 8n t Fa dvp The vnode of the directory. t Fa vp The vnode of the file to be linked. t Fa cnp Pathname information about the file. .El
p The pathname info should .Em not be released on exit because it is done by the caller. The directory and file vnodes should .Em not be released on exit. .Sh LOCKS .Fn VOP_LINK expects the directory and file vnodes to be locked on entry and will leave the vnodes locked on return. .Sh RETURN VALUES Zero is returned if the file was linked successfully, otherwise an error is returned. .Sh ERRORS l -tag -width Er t Bq Er EMLINK The file has too many links. t Bq Er EPERM The file is immutable. t Bq Er EXDEV A hard link is not possible between different file systems. .El .Sh SEE ALSO .Xr vn_lock 9 , .Xr vnode 9 .Sh AUTHORS This manual page was originally written by .An Doug Rabson .