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6620dc9475
Save the list of PVs in /run/lvm/hints. These hints are used to reduce scanning in a number of commands to only the PVs on the system, or only the PVs in a requested VG (rather than all devices on the system.)
62 lines
1.7 KiB
C
62 lines
1.7 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 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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#include "base/memory/zalloc.h"
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#include "lib/misc/lib.h"
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#include "lib/filters/filter.h"
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static int _passes_lvm_type_device_filter(struct cmd_context *cmd, struct dev_filter *f, struct device *dev, const char *use_filter_name)
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{
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struct dev_types *dt = (struct dev_types *) f->private;
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const char *name = dev_name(dev);
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/* Is this a recognised device type? */
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if (!dt->dev_type_array[MAJOR(dev->dev)].max_partitions) {
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log_debug_devs("%s: Skipping: Unrecognised LVM device type %"
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PRIu64, name, (uint64_t) MAJOR(dev->dev));
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return 0;
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}
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return 1;
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}
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static void _lvm_type_filter_destroy(struct dev_filter *f)
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{
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if (f->use_count)
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log_error(INTERNAL_ERROR "Destroying lvm_type filter while in use %u times.", f->use_count);
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free(f);
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}
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struct dev_filter *lvm_type_filter_create(struct dev_types *dt)
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{
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struct dev_filter *f;
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if (!(f = zalloc(sizeof(struct dev_filter)))) {
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log_error("LVM type filter allocation failed");
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return NULL;
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}
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f->passes_filter = _passes_lvm_type_device_filter;
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f->destroy = _lvm_type_filter_destroy;
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f->use_count = 0;
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f->private = dt;
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f->name = "type";
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log_debug_devs("LVM type filter initialised.");
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return f;
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}
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