mirror of
git://sourceware.org/git/lvm2.git
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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
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/*
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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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#include "lib/commands/toolcontext.h"
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static int _passes_deviceid_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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dev->filtered_flags &= ~DEV_FILTERED_DEVICES_FILE;
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dev->filtered_flags &= ~DEV_FILTERED_DEVICES_LIST;
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if (!cmd->enable_devices_file && !cmd->enable_devices_list)
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return 1;
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if (cmd->filter_deviceid_skip)
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return 1;
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if (dev->flags & DEV_MATCHED_USE_ID)
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return 1;
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if (cmd->enable_devices_file)
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dev->filtered_flags |= DEV_FILTERED_DEVICES_FILE;
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else if (cmd->enable_devices_list)
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dev->filtered_flags |= DEV_FILTERED_DEVICES_LIST;
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log_debug_devs("%s: Skipping (deviceid)", dev_name(dev));
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return 0;
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}
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static void _destroy_deviceid_filter(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 deviceid 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 *deviceid_filter_create(struct cmd_context *cmd)
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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("deviceid filter allocation failed");
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return NULL;
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}
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f->passes_filter = _passes_deviceid_filter;
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f->destroy = _destroy_deviceid_filter;
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f->use_count = 0;
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f->name = "deviceid";
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log_debug_devs("deviceid filter initialised.");
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return f;
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}
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