2 .\" Copyright (c) 1999, 2000, 2001 Robert N. M. Watson
3 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
8 .\" 1. Redistributions of source code must retain the above copyright
9 .\" notice, this list of conditions and the following disclaimer.
10 .\" 2. Redistributions in binary form must reproduce the above copyright
11 .\" notice, this list of conditions and the following disclaimer in the
12 .\" documentation and/or other materials provided with the distribution.
14 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 .Nd set named extended attribute for a vnode
39 .Fn VOP_SETEXTATTR "struct vnode *vp" "int attrnamespace" "const char *name" "struct uio *uio" "struct ucred *cred" "struct thread *td"
41 This vnode call may be used to set specific named extended attribute for a
47 The vnode of the file or directory.
49 Integer constant indicating which extended attribute namespace the attribute
52 Pointer to a null-terminated character string containing the attribute name.
54 The location of the data to be read or written.
56 The user credentials to use in authorizing the request.
58 The thread setting the extended attribute.
61 The uio structure is used in a manner similar to the argument of the same
64 However, as extended attributes provide a strict "name=value" semantic,
65 non-zero offsets will be rejected.
71 to indicate that the specified extended attribute should be deleted.
77 to indicate that access control checks are not to be performed, if possible.
80 setting might be used to allow the kernel to authorize extended attribute
81 changes that the active process might not be permitted to make.
83 Extended attribute semantics may vary by file system implementing the call.
84 More information on extended attributes may be found in
87 The vnode will be locked on entry and should remain locked on return.
89 If the extended attribute is successfully set, then zero is returned.
90 Otherwise, an appropriate error code is returned.
94 The caller does not have the appropriate privilege.
96 The request was not valid in this file system for the specified vnode and
99 Insufficient memory available to fulfill the request.
101 The uio structure refers to an invalid userspace address.
103 The name, namespace, or uio argument is invalid.
105 The file system does not support
108 The file system is out of space.
110 The file system is read-only.
115 .Xr VOP_GETEXTATTR 9 ,
116 .Xr VOP_LISTEXTATTR 9
118 This manual page was written by