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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 _MARKER_QUOTA_H
#define _MARKER_QUOTA_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "xlator.h"
#include "marker-mem-types.h"
#define QUOTA_XATTR_PREFIX "trusted.glusterfs"
#define QUOTA_DIRTY_KEY "trusted.glusterfs.quota.dirty"
#define CONTRIBUTION "contri"
#define CONTRI_KEY_MAX 512
#define READDIR_BUF 4096
#define QUOTA_STACK_DESTROY(_frame, _this) \
do { \
quota_local_t *_local = NULL; \
_local = _frame->local; \
_frame->local = NULL; \
STACK_DESTROY (_frame->root); \
mq_local_unref (_this, _local); \
} while (0)
#define QUOTA_ALLOC(var, type, ret) \
do { \
ret = 0; \
var = GF_CALLOC (sizeof (type), 1, \
gf_marker_mt_##type); \
if (!var) { \
ret = -1; \
} \
} while (0);
#define QUOTA_ALLOC_OR_GOTO(var, type, ret, label) \
do { \
var = GF_CALLOC (sizeof (type), 1, \
gf_marker_mt_##type); \
if (!var) { \
gf_log ("", GF_LOG_ERROR, \
"out of memory"); \
ret = -1; \
goto label; \
} \
ret = 0; \
} while (0);
#define GET_CONTRI_KEY(var, _gfid, _ret) \
do { \
if (_gfid != NULL) { \
char _gfid_unparsed[40]; \
uuid_unparse (_gfid, _gfid_unparsed); \
_ret = snprintf (var, CONTRI_KEY_MAX, \
QUOTA_XATTR_PREFIX \
".%s.%s." CONTRIBUTION, "quota", \
_gfid_unparsed); \
} else { \
_ret = snprintf (var, CONTRI_KEY_MAX, \
QUOTA_XATTR_PREFIX \
".%s.." CONTRIBUTION, "quota"); \
} \
} while (0);
#define QUOTA_SAFE_INCREMENT(lock, var) \
do { \
LOCK (lock); \
var ++; \
UNLOCK (lock); \
} while (0)
struct quota_inode_ctx {
int64_t size;
int8_t dirty;
gf_boolean_t updation_status;
gf_lock_t lock;
struct list_head contribution_head;
};
typedef struct quota_inode_ctx quota_inode_ctx_t;
struct inode_contribution {
struct list_head contri_list;
int64_t contribution;
uuid_t gfid;
gf_lock_t lock;
};
typedef struct inode_contribution inode_contribution_t;
int32_t
mq_get_lock_on_parent (call_frame_t *, xlator_t *);
int32_t
mq_req_xattr (xlator_t *, loc_t *, dict_t *);
int32_t
init_quota_priv (xlator_t *);
int32_t
mq_xattr_state (xlator_t *, loc_t *, dict_t *, struct iatt);
int32_t
mq_set_inode_xattr (xlator_t *, loc_t *);
int
mq_initiate_quota_txn (xlator_t *, loc_t *);
int32_t
mq_dirty_inode_readdir (call_frame_t *, void *, xlator_t *,
int32_t, int32_t, fd_t *, dict_t *);
int32_t
mq_reduce_parent_size (xlator_t *, loc_t *, int64_t);
int32_t
mq_rename_update_newpath (xlator_t *, loc_t *);
int32_t
mq_inspect_file_xattr (xlator_t *this, loc_t *loc, dict_t *dict, struct iatt buf);
int32_t
mq_forget (xlator_t *, quota_inode_ctx_t *);
#endif
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