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4f2f566b06
Free a temporary dir string in fcntl_lock_file() after use. Fix a dm_pool_destroy() in matcher_create(). Introduce goto_bad macro.
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_DEV_CACHE_H
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#define _LVM_DEV_CACHE_H
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#include "device.h"
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/*
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* predicate for devices.
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*/
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struct dev_filter {
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int (*passes_filter) (struct dev_filter * f, struct device * dev);
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void (*destroy) (struct dev_filter * f);
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void *private;
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};
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/*
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* The global device cache.
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*/
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struct cmd_context;
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int dev_cache_init(struct cmd_context *cmd);
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void dev_cache_exit(void);
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/* Trigger(1) or avoid(0) a scan */
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void dev_cache_scan(int do_scan);
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int dev_cache_has_scanned(void);
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int dev_cache_add_dir(const char *path);
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int dev_cache_add_loopfile(const char *path);
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struct device *dev_cache_get(const char *name, struct dev_filter *f);
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void dev_set_preferred_name(struct str_list *sl, struct device *dev);
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/*
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* Object for iterating through the cache.
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*/
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struct dev_iter;
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struct dev_iter *dev_iter_create(struct dev_filter *f, int dev_scan);
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void dev_iter_destroy(struct dev_iter *iter);
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struct device *dev_iter_get(struct dev_iter *iter);
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#endif
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