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/*
Copyright (c) 2012-2014 DataLab, s.l. <http://www.datalab.es>
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 __EC_COMMON_H__
#define __EC_COMMON_H__
#include "xlator.h"
#include "ec-data.h"
typedef enum {
EC_DATA_TXN,
EC_METADATA_TXN
} ec_txn_t;
#define EC_FOP_HEAL -1
#define EC_FOP_FHEAL -2
#define EC_CONFIG_VERSION 0
#define EC_CONFIG_ALGORITHM 0
#define EC_FLAG_UPDATE_LOC_PARENT 0x0001
#define EC_FLAG_UPDATE_LOC_INODE 0x0002
#define EC_FLAG_UPDATE_FD 0x0004
#define EC_FLAG_UPDATE_FD_INODE 0x0008
#define EC_SELFHEAL_BIT 62
#define EC_MINIMUM_ONE -1
#define EC_MINIMUM_MIN -2
#define EC_MINIMUM_ALL -3
#define EC_UPDATE_DATA 1
#define EC_UPDATE_META 2
#define EC_QUERY_INFO 4
#define EC_INODE_SIZE 8
#define EC_STATE_START 0
#define EC_STATE_END 0
#define EC_STATE_INIT 1
#define EC_STATE_LOCK 2
#define EC_STATE_DISPATCH 3
#define EC_STATE_PREPARE_ANSWER 4
#define EC_STATE_REPORT 5
#define EC_STATE_LOCK_REUSE 6
#define EC_STATE_UNLOCK 7
#define EC_STATE_DELAYED_START 100
#define EC_STATE_HEAL_ENTRY_LOOKUP 200
#define EC_STATE_HEAL_ENTRY_PREPARE 201
#define EC_STATE_HEAL_PRE_INODELK_LOCK 202
#define EC_STATE_HEAL_PRE_INODE_LOOKUP 203
#define EC_STATE_HEAL_XATTRIBUTES_REMOVE 204
#define EC_STATE_HEAL_XATTRIBUTES_SET 205
#define EC_STATE_HEAL_ATTRIBUTES 206
#define EC_STATE_HEAL_OPEN 207
#define EC_STATE_HEAL_REOPEN_FD 208
#define EC_STATE_HEAL_UNLOCK 209
#define EC_STATE_HEAL_UNLOCK_ENTRY 210
#define EC_STATE_HEAL_DATA_LOCK 211
#define EC_STATE_HEAL_DATA_COPY 212
#define EC_STATE_HEAL_DATA_UNLOCK 213
#define EC_STATE_HEAL_POST_INODELK_LOCK 214
#define EC_STATE_HEAL_POST_INODE_LOOKUP 215
#define EC_STATE_HEAL_SETATTR 216
#define EC_STATE_HEAL_POST_INODELK_UNLOCK 217
#define EC_STATE_HEAL_DISPATCH 218
gf_boolean_t ec_dispatch_one_retry (ec_fop_data_t *fop, ec_cbk_data_t *cbk);
int32_t ec_dispatch_next(ec_fop_data_t * fop, int32_t idx);
void ec_complete(ec_fop_data_t * fop);
void ec_update_bad(ec_fop_data_t * fop, uintptr_t good);
void ec_fop_set_error(ec_fop_data_t * fop, int32_t error);
void ec_lock_prepare_inode(ec_fop_data_t *fop, loc_t *loc, uint32_t flags);
void ec_lock_prepare_parent_inode(ec_fop_data_t *fop, loc_t *loc,
uint32_t flags);
void ec_lock_prepare_fd(ec_fop_data_t *fop, fd_t *fd, uint32_t flags);
void ec_lock(ec_fop_data_t * fop);
void ec_lock_reuse(ec_fop_data_t *fop);
void ec_unlock(ec_fop_data_t * fop);
gf_boolean_t ec_get_inode_size(ec_fop_data_t *fop, inode_t *inode,
uint64_t *size);
gf_boolean_t ec_set_inode_size(ec_fop_data_t *fop, inode_t *inode,
uint64_t size);
void ec_clear_inode_info(ec_fop_data_t *fop, inode_t *inode);
void ec_flush_size_version(ec_fop_data_t * fop);
void ec_dispatch_all(ec_fop_data_t * fop);
void ec_dispatch_inc(ec_fop_data_t * fop);
void ec_dispatch_min(ec_fop_data_t * fop);
void ec_dispatch_one(ec_fop_data_t * fop);
void ec_sleep(ec_fop_data_t *fop);
void ec_resume(ec_fop_data_t * fop, int32_t error);
void ec_resume_parent(ec_fop_data_t * fop, int32_t error);
void ec_manager(ec_fop_data_t * fop, int32_t error);
gf_boolean_t ec_is_recoverable_error (int32_t op_errno);
void ec_handle_healers_done (ec_fop_data_t *fop);
#endif /* __EC_COMMON_H__ */
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