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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* tools/lib/dev-manager.h
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*
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* Copyright (C) 2001 Sistina Software
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*
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* This LVM library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This LVM library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this LVM library; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA
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*/
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#ifndef _LVM_DEV_MANAGER_H
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#define _LVM_DEV_MANAGER_H
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#include <sys/types.h>
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#include "config/config.h"
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struct device {
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char *name;
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dev_t dev;
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};
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struct dev_mgr;
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typedef struct _dummy_counter *dev_counter_t;
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struct dev_mgr *init_dev_manager(struct config_node *cfg_node);
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void fin_dev_manager(struct dev_mgr *dm);
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struct device *dev_by_name(struct dev_mgr *dm, const char *name);
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struct device *dev_by_dev(struct dev_mgr *dm, dev_t d);
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/* either of these trigger a full scan, the first time they're run */
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dev_counter_t init_dev_scan(struct dev_mgr *dm);
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struct device *next_device(dev_counter_t *counter);
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void fin_dev_scan(dev_counter_t counter);
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#endif
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