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4567c6a2b2
An active md device with an end superblock causes lvm to enable full md component detection. This was being done within the filter loop instead of before, so the full filtering of some devs could be missed. Also incorporate the recently added config setting that controls the md component detection.
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 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 Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "lib/device/device.h"
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#include "lib/device/dev-type.h"
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#include "lib/misc/lvm-wrappers.h"
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struct cmd_context;
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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 cmd_context *cmd, struct dev_filter *f, struct device *dev, const char *use_filter_name);
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void (*destroy) (struct dev_filter *f);
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void (*wipe) (struct dev_filter *f);
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void *private;
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unsigned use_count;
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const char *name;
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};
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int dev_cache_index_devs(void);
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struct dm_list *dev_cache_get_dev_list_for_vgid(const char *vgid);
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struct dm_list *dev_cache_get_dev_list_for_lvid(const char *lvid);
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/*
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* The global device cache.
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*/
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int dev_cache_init(struct cmd_context *cmd);
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int dev_cache_exit(void);
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/*
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* Returns number of open devices.
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*/
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int dev_cache_check_for_open_devices(void);
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void dev_cache_scan(void);
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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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struct device *dev_cache_get(struct cmd_context *cmd, const char *name, struct dev_filter *f);
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const char *dev_cache_filtered_reason(const char *name);
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struct device *dev_cache_get_by_devt(struct cmd_context *cmd, dev_t device, struct dev_filter *f, int *filtered);
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void dev_set_preferred_name(struct dm_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 unused);
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void dev_iter_destroy(struct dev_iter *iter);
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struct device *dev_iter_get(struct cmd_context *cmd, struct dev_iter *iter);
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void dev_reset_error_count(struct cmd_context *cmd);
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void dev_cache_failed_path(struct device *dev, const char *path);
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bool dev_cache_has_md_with_end_superblock(struct dev_types *dt);
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#endif
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