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/*
Copyright (c) 2009-2010 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 _STAT_PREFETCH_H
#define _STAT_PREFETCH_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "glusterfs.h"
#include "dict.h"
#include "xlator.h"
struct sp_cache {
gf_dirent_t entries; /* Head of list of cached dirents. */
uint64_t expected_offset; /* Offset where the next read will
* happen.
*/
gf_lock_t lock;
};
typedef struct sp_cache sp_cache_t;
struct sp_local {
loc_t loc;
};
typedef struct sp_local sp_local_t;
void sp_local_free (sp_local_t *local);
#define SP_STACK_UNWIND(frame, params ...) do { \
sp_local_t *__local = frame->local; \
frame->local = NULL; \
STACK_UNWIND (frame, params); \
sp_local_free (__local); \
} while (0)
#define SP_STACK_DESTROY(frame) do { \
sp_local_t *__local = frame->local; \
frame->local = NULL; \
STACK_DESTROY (frame->root); \
sp_local_free (__local); \
} while (0)
#endif /* #ifndef _STAT_PREFETCH_H */
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