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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-22 17:35:59 +03:00
lvm2/lib/filters/filter.h
David Teigland 22c5467add filters: remove cache file in persistent filter
It creates problems because it's not always correct,
and it doesn't actually help much.
2018-06-13 14:00:47 -05:00

56 lines
2.0 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004 Luca Berra
* Copyright (C) 2004-2013 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LVM_FILTER_H
#define _LVM_FILTER_H
#include "lib/device/dev-cache.h"
#include "lib/device/dev-type.h"
struct dev_filter *composite_filter_create(int n, int use_dev_ext_info, struct dev_filter **filters);
struct dev_filter *lvm_type_filter_create(struct dev_types *dt);
struct dev_filter *md_filter_create(struct cmd_context *cmd, struct dev_types *dt);
struct dev_filter *fwraid_filter_create(struct dev_types *dt);
struct dev_filter *mpath_filter_create(struct dev_types *dt);
struct dev_filter *partitioned_filter_create(struct dev_types *dt);
struct dev_filter *persistent_filter_create(struct dev_types *dt, struct dev_filter *f);
struct dev_filter *sysfs_filter_create(void);
struct dev_filter *signature_filter_create(struct dev_types *dt);
struct dev_filter *internal_filter_create(void);
int internal_filter_allow(struct dm_pool *mem, struct device *dev);
void internal_filter_clear(void);
/*
* patterns must be an array of strings of the form:
* [ra]<sep><regex><sep>, eg,
* r/cdrom/ - reject cdroms
* a|loop/[0-4]| - accept loops 0 to 4
* r|.*| - reject everything else
*/
struct dev_filter *regex_filter_create(const struct dm_config_value *patterns);
typedef enum {
FILTER_MODE_NO_LVMETAD,
FILTER_MODE_PRE_LVMETAD,
FILTER_MODE_POST_LVMETAD
} filter_mode_t;
struct dev_filter *usable_filter_create(struct dev_types *dt, filter_mode_t mode);
#endif /* _LVM_FILTER_H */