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/*
Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef __SNAP_VIEW_H__
#define __SNAP_VIEW_H__
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "dict.h"
#include "defaults.h"
#include "mem-types.h"
#include "call-stub.h"
#include "inode.h"
#include "byte-order.h"
#include "iatt.h"
#include <ctype.h>
#include <sys/uio.h>
#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "glfs.h"
#include "common-utils.h"
#include "glfs-handles.h"
#include "glfs-internal.h"
#include "glusterfs3-xdr.h"
#include "glusterfs-acl.h"
#include "syncop.h"
#include "list.h"
/*
* The max number of snap entries we consider currently
*/
#define SNAP_VIEW_MAX_NUM_SNAPS 128
#define DEFAULT_SVD_LOG_FILE_DIRECTORY DATADIR "/log/glusterfs"
typedef enum {
SNAP_VIEW_ENTRY_POINT_INODE = 0,
SNAP_VIEW_VIRTUAL_INODE
} inode_type_t;
struct svs_inode {
glfs_t *fs;
glfs_object_t *object;
inode_type_t type;
/* used only for entry point directory where gfid of the directory
from where the entry point was entered is saved.
*/
uuid_t pargfid;
struct iatt buf;
};
typedef struct svs_inode svs_inode_t;
struct svs_fd {
glfs_fd_t *fd;
};
typedef struct svs_fd svs_fd_t;
struct snap_dirent {
char name[NAME_MAX];
char uuid[UUID_CANONICAL_FORM_LEN + 1];
glfs_t *fs;
};
typedef struct snap_dirent snap_dirent_t;
struct svs_private {
snap_dirent_t *dirents;
int num_snaps;
};
typedef struct svs_private svs_private_t;
glfs_t *
svs_intialise_snapshot_volume (xlator_t *this, const char *name);
snap_dirent_t *
svs_get_snap_dirent (xlator_t *this, const char *name);
#endif /* __SNAP_VIEW_H__ */
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