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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 __INDEX_H__
#define __INDEX_H__
#include "xlator.h"
#include "call-stub.h"
#include "defaults.h"
#include "byte-order.h"
#include "common-utils.h"
#include "index-mem-types.h"
#define INDEX_THREAD_STACK_SIZE ((size_t)(1024 * 1024))
typedef enum { UNKNOWN, IN, NOTIN } index_state_t;
typedef enum {
XATTROP_TYPE_UNSET = -1,
XATTROP,
DIRTY,
ENTRY_CHANGES,
XATTROP_TYPE_END
} index_xattrop_type_t;
typedef struct index_inode_ctx {
gf_boolean_t processing;
struct list_head callstubs;
int state[XATTROP_TYPE_END];
uuid_t virtual_pargfid; /* virtual gfid of dir under
.glusterfs/indices/entry-changes. */
} index_inode_ctx_t;
typedef struct index_fd_ctx {
DIR *dir;
off_t dir_eof;
} index_fd_ctx_t;
typedef struct index_priv {
char *index_basepath;
char *dirty_basepath;
uuid_t index;
gf_lock_t lock;
uuid_t internal_vgfid[XATTROP_TYPE_END];
struct list_head callstubs;
pthread_mutex_t mutex;
pthread_cond_t cond;
dict_t *dirty_watchlist;
dict_t *pending_watchlist;
dict_t *complete_watchlist;
int64_t pending_count;
pthread_t thread;
gf_boolean_t down;
gf_atomic_t stub_cnt;
int32_t curr_count;
} index_priv_t;
typedef struct index_local {
inode_t *inode;
dict_t *xdata;
} index_local_t;
#define INDEX_STACK_UNWIND(fop, frame, params...) \
do { \
index_local_t *__local = NULL; \
if (frame) { \
__local = frame->local; \
frame->local = NULL; \
} \
STACK_UNWIND_STRICT(fop, frame, params); \
if (__local) { \
inode_unref(__local->inode); \
if (__local->xdata) \
dict_unref(__local->xdata); \
mem_put(__local); \
} \
} while (0)
#endif
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