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/*
Copyright (c) 2008-2012 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 __MAP_H__
#define __MAP_H__
#include "xlator.h"
#include "map-mem-types.h"
struct map_pattern {
struct map_pattern *next;
xlator_t *xl;
char *directory;
int dir_len;
};
struct map_xlator_array {
xlator_t *xl;
int mapped; /* yes/no */
};
typedef struct {
struct map_pattern *map;
xlator_t *default_xl;
struct map_xlator_array *xlarray;
int child_count;
} map_private_t;
typedef struct {
int32_t op_ret;
int32_t op_errno;
int call_count;
struct statvfs statvfs;
struct iatt stbuf;
inode_t *inode;
dict_t *dict;
fd_t *fd;
size_t size;
} map_local_t;
xlator_t *map_subvol_next (xlator_t *this, xlator_t *prev);
int map_subvol_cnt (xlator_t *this, xlator_t *subvol);
int map_itransform (xlator_t *this, xlator_t *subvol,
uint64_t x, uint64_t *y_p);
int map_deitransform (xlator_t *this, uint64_t y,
xlator_t **subvol_p, uint64_t *x_p);
xlator_t *get_mapping_subvol_from_path (xlator_t *this, const char *path);
xlator_t *get_mapping_subvol_from_ctx (xlator_t *this, inode_t *inode);
int check_multiple_volume_entry (xlator_t *this, xlator_t *subvol);
int verify_dir_and_assign_subvol (xlator_t *this,
const char *directory, const char *subvol);
int assign_default_subvol (xlator_t *this, const char *default_xl);
void verify_if_all_subvolumes_got_used (xlator_t *this);
#endif /* __MAP_H__ */
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