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Diffstat (limited to 'fs/xfs/xfs_attr_item.h')
| -rw-r--r-- | fs/xfs/xfs_attr_item.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/fs/xfs/xfs_attr_item.h b/fs/xfs/xfs_attr_item.h new file mode 100644 index 000000000000..c3b779f82adb --- /dev/null +++ b/fs/xfs/xfs_attr_item.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * + * Copyright (C) 2022 Oracle. All Rights Reserved. + * Author: Allison Henderson <allison.henderson@oracle.com> + */ +#ifndef __XFS_ATTR_ITEM_H__ +#define __XFS_ATTR_ITEM_H__ + +/* kernel only ATTRI/ATTRD definitions */ + +struct xfs_mount; +struct kmem_zone; + +/* + * This is the "attr intention" log item. It is used to log the fact that some + * extended attribute operations need to be processed. An operation is + * currently either a set or remove. Set or remove operations are described by + * the xfs_attr_item which may be logged to this intent. + * + * During a normal attr operation, name and value point to the name and value + * fields of the caller's xfs_da_args structure. During a recovery, the name + * and value buffers are copied from the log, and stored in a trailing buffer + * attached to the xfs_attr_item until they are committed. They are freed when + * the xfs_attr_item itself is freed when the work is done. + */ +struct xfs_attri_log_item { + struct xfs_log_item attri_item; + atomic_t attri_refcount; + int attri_name_len; + int attri_value_len; + void *attri_name; + void *attri_value; + struct xfs_attri_log_format attri_format; +}; + +/* + * This is the "attr done" log item. It is used to log the fact that some attrs + * earlier mentioned in an attri item have been freed. + */ +struct xfs_attrd_log_item { + struct xfs_log_item attrd_item; + struct xfs_attri_log_item *attrd_attrip; + struct xfs_attrd_log_format attrd_format; +}; + +#endif /* __XFS_ATTR_ITEM_H__ */ |