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/*
Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.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 _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "xlator.h"
#include "call-stub.h"
#include "defaults.h"
#include "byte-order.h"
#include "common-utils.h"
#include "quota-mem-types.h"
#define QUOTA_XATTR_PREFIX "trusted."
#define DIRTY "dirty"
#define SIZE "size"
#define CONTRIBUTION "contri"
#define VAL_LENGTH 8
#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); \
quota_local_cleanup (_this, _local); \
GF_FREE (_local); \
} while (0)
#define QUOTA_SAFE_INCREMENT(lock, var) \
do { \
LOCK (lock); \
var ++; \
UNLOCK (lock); \
} while (0)
#define QUOTA_SAFE_DECREMENT(lock, var) \
do { \
LOCK (lock); \
var --; \
UNLOCK (lock); \
} while (0)
#define QUOTA_ALLOC_OR_GOTO(var, type, label) \
do { \
var = GF_CALLOC (sizeof (type), 1, \
gf_quota_mt_##type); \
if (!var) { \
gf_log ("", GF_LOG_ERROR, \
"out of memory :("); \
ret = -1; \
goto label; \
} \
} while (0);
#define QUOTA_STACK_UNWIND(fop, frame, params...) \
do { \
quota_local_t *_local = NULL; \
xlator_t *_this = NULL; \
if (frame) { \
_local = frame->local; \
_this = frame->this; \
frame->local = NULL; \
} \
STACK_UNWIND_STRICT (fop, frame, params); \
quota_local_cleanup (_this, _local); \
mem_put (_local); \
} while (0)
#define QUOTA_FREE_CONTRIBUTION_NODE(_contribution) \
do { \
list_del (&_contribution->contri_list); \
GF_FREE (_contribution); \
} while (0)
#define GET_CONTRI_KEY(var, _vol_name, _gfid, _ret) \
do { \
char _gfid_unparsed[40]; \
uuid_unparse (_gfid, _gfid_unparsed); \
_ret = gf_asprintf (var, QUOTA_XATTR_PREFIX \
"%s.%s." CONTRIBUTION, \
_vol_name, _gfid_unparsed); \
} while (0)
#define GET_CONTRI_KEY_OR_GOTO(var, _vol_name, _gfid, label) \
do { \
GET_CONTRI_KEY(var, _vol_name, _gfid, ret); \
if (ret == -1) \
goto label; \
} while (0)
#define GET_DIRTY_KEY_OR_GOTO(var, _vol_name, label) \
do { \
ret = gf_asprintf (var, QUOTA_XATTR_PREFIX \
"%s." DIRTY, _vol_name); \
if (ret == -1) \
goto label; \
} while (0)
struct quota_dentry {
char *name;
uuid_t par;
struct list_head next;
};
typedef struct quota_dentry quota_dentry_t;
struct quota_inode_ctx {
int64_t size;
int64_t limit;
struct iatt buf;
struct list_head parents;
struct timeval tv;
gf_lock_t lock;
};
typedef struct quota_inode_ctx quota_inode_ctx_t;
struct quota_local {
gf_lock_t lock;
uint32_t validate_count;
uint32_t link_count;
loc_t loc;
loc_t oldloc;
loc_t newloc;
loc_t validate_loc;
int64_t delta;
int32_t op_ret;
int32_t op_errno;
int64_t size;
int64_t limit;
char just_validated;
inode_t *inode;
call_stub_t *stub;
};
typedef struct quota_local quota_local_t;
struct quota_priv {
int64_t timeout;
struct list_head limit_head;
gf_lock_t lock;
};
typedef struct quota_priv quota_priv_t;
struct limits {
struct list_head limit_list;
char *path;
int64_t value;
uuid_t gfid;
};
typedef struct limits limits_t;
uint64_t cn = 1;
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