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842167eb17
To automatically prefer mangled UUID over unmangled UUID. The same logic that is already used for dm name mangling...
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2012 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef LIB_DMCOMMON_H
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#define LIB_DMCOMMON_H
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#include "libdevmapper.h"
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#define DM_DEFAULT_NAME_MANGLING_MODE_ENV_VAR_NAME "DM_DEFAULT_NAME_MANGLING_MODE"
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#define DEV_NAME(dmt) (dmt->mangled_dev_name ? : dmt->dev_name)
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#define DEV_UUID(DMT) (dmt->mangled_uuid ? : dmt->uuid)
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int mangle_string(const char *str, const char *str_name, size_t len,
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char *buf, size_t buf_len, dm_string_mangling_t mode);
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int unmangle_string(const char *str, const char *str_name, size_t len,
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char *buf, size_t buf_len, dm_string_mangling_t mode);
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int check_multiple_mangled_string_allowed(const char *str, const char *str_name,
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dm_string_mangling_t mode);
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struct target *create_target(uint64_t start,
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uint64_t len,
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const char *type, const char *params);
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int add_dev_node(const char *dev_name, uint32_t minor, uint32_t major,
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uid_t uid, gid_t gid, mode_t mode, int check_udev, unsigned rely_on_udev);
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int rm_dev_node(const char *dev_name, int check_udev, unsigned rely_on_udev);
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int rename_dev_node(const char *old_name, const char *new_name,
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int check_udev, unsigned rely_on_udev);
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int get_dev_node_read_ahead(const char *dev_name, uint32_t major, uint32_t minor,
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uint32_t *read_ahead);
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int set_dev_node_read_ahead(const char *dev_name, uint32_t major, uint32_t minor,
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uint32_t read_ahead, uint32_t read_ahead_flags);
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void update_devs(void);
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void selinux_release(void);
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void inc_suspended(void);
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void dec_suspended(void);
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#endif
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