1 /* SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2022 Oracle. All Rights Reserved.
4 * Author: Allison Henderson <allison.henderson@oracle.com>
6 #ifndef __XFS_ATTR_ITEM_H__
7 #define __XFS_ATTR_ITEM_H__
9 /* kernel only ATTRI/ATTRD definitions */
14 struct xfs_attri_log_nameval {
15 struct xfs_log_iovec name;
16 struct xfs_log_iovec value;
19 /* name and value follow the end of this struct */
23 * This is the "attr intention" log item. It is used to log the fact that some
24 * extended attribute operations need to be processed. An operation is
25 * currently either a set or remove. Set or remove operations are described by
26 * the xfs_attr_intent which may be logged to this intent.
28 * During a normal attr operation, name and value point to the name and value
29 * fields of the caller's xfs_da_args structure. During a recovery, the name
30 * and value buffers are copied from the log, and stored in a trailing buffer
31 * attached to the xfs_attr_intent until they are committed. They are freed
32 * when the xfs_attr_intent itself is freed when the work is done.
34 struct xfs_attri_log_item {
35 struct xfs_log_item attri_item;
36 atomic_t attri_refcount;
37 struct xfs_attri_log_nameval *attri_nameval;
38 struct xfs_attri_log_format attri_format;
42 * This is the "attr done" log item. It is used to log the fact that some attrs
43 * earlier mentioned in an attri item have been freed.
45 struct xfs_attrd_log_item {
46 struct xfs_log_item attrd_item;
47 struct xfs_attri_log_item *attrd_attrip;
48 struct xfs_attrd_log_format attrd_format;
51 extern struct kmem_cache *xfs_attri_cache;
52 extern struct kmem_cache *xfs_attrd_cache;
54 #endif /* __XFS_ATTR_ITEM_H__ */