linux/fs/ocfs2/ocfs2_ioctl.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * ocfs2_ioctl.h
 *
 * Defines OCFS2 ioctls.
 *
 * Copyright (C) 2010 Oracle.  All rights reserved.
 */

#ifndef OCFS2_IOCTL_H
#define OCFS2_IOCTL_H

/*
 * Space reservation / allocation / free ioctls and argument structure
 * are designed to be compatible with XFS.
 *
 * ALLOCSP* and FREESP* are not and will never be supported, but are
 * included here for completeness.
 */
struct ocfs2_space_resv { … };

#define OCFS2_IOC_ALLOCSP …
#define OCFS2_IOC_FREESP …
#define OCFS2_IOC_RESVSP …
#define OCFS2_IOC_UNRESVSP …
#define OCFS2_IOC_ALLOCSP64 …
#define OCFS2_IOC_FREESP64 …
#define OCFS2_IOC_RESVSP64 …
#define OCFS2_IOC_UNRESVSP64 …

/* Used to pass group descriptor data when online resize is done */
struct ocfs2_new_group_input { … };

#define OCFS2_IOC_GROUP_EXTEND …
#define OCFS2_IOC_GROUP_ADD …
#define OCFS2_IOC_GROUP_ADD64 …

/* Used to pass 2 file names to reflink. */
struct reflink_arguments { … };
#define OCFS2_IOC_REFLINK …

/* Following definitions dedicated for ocfs2_info_request ioctls. */
#define OCFS2_INFO_MAX_REQUEST …
#define OCFS2_TEXT_UUID_LEN …

/* Magic number of all requests */
#define OCFS2_INFO_MAGIC …

/*
 * Always try to separate info request into small pieces to
 * guarantee the backward&forward compatibility.
 */
struct ocfs2_info { … };

struct ocfs2_info_request { … };

struct ocfs2_info_clustersize { … };

struct ocfs2_info_blocksize { … };

struct ocfs2_info_maxslots { … };

struct ocfs2_info_label { … } __attribute__ ((packed));

struct ocfs2_info_uuid { … } __attribute__ ((packed));

struct ocfs2_info_fs_features { … };

struct ocfs2_info_journal_size { … };

struct ocfs2_info_freeinode { … };

#define OCFS2_INFO_MAX_HIST …

struct ocfs2_info_freefrag { … };

/* Codes for ocfs2_info_request */
enum ocfs2_info_type { … };

/* Flags for struct ocfs2_info_request */
/* Filled by the caller */
#define OCFS2_INFO_FL_NON_COHERENT …
/* Filled by ocfs2 */
#define OCFS2_INFO_FL_FILLED …

#define OCFS2_INFO_FL_ERROR …

#define OCFS2_IOC_INFO …

struct ocfs2_move_extents { … };

#define OCFS2_MOVE_EXT_FL_AUTO_DEFRAG …
#define OCFS2_MOVE_EXT_FL_PART_DEFRAG …
#define OCFS2_MOVE_EXT_FL_COMPLETE …

#define OCFS2_IOC_MOVE_EXT …

#endif /* OCFS2_IOCTL_H */