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/*
Copyright (c) 2008 Z RESEARCH, Inc. <http://www.zresearch.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef __MAP_H__
#define __MAP_H__
#include "xlator.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 stat 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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