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61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the LGPL.
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*
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*/
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#include "lib.h"
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#include "locking.h"
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#include "locking_types.h"
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#include "lvm-string.h"
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#include "activate.h"
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#include <signal.h>
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/*
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* No locking
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*/
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static void _no_fin_locking(void)
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{
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return;
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}
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static int _no_lock_resource(struct cmd_context *cmd, const char *resource,
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int flags)
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{
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switch (flags & LCK_SCOPE_MASK) {
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case LCK_VG:
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break;
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case LCK_LV:
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switch (flags & LCK_TYPE_MASK) {
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case LCK_UNLOCK:
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return lv_resume_if_active(cmd, resource);
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case LCK_READ:
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return lv_activate(cmd, resource);
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case LCK_WRITE:
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return lv_suspend_if_active(cmd, resource);
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case LCK_EXCL:
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return lv_deactivate(cmd, resource);
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default:
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break;
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}
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break;
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default:
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log_error("Unrecognised lock scope: %d",
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flags & LCK_SCOPE_MASK);
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return 0;
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}
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return 1;
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}
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int init_no_locking(struct locking_type *locking, struct config_tree *cf)
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{
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locking->lock_resource = _no_lock_resource;
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locking->fin_locking = _no_fin_locking;
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return 1;
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}
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