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917c57e77b
This option should be configurable, but for now do not set it at all. (lvm2app is used in udisks probers and there cac cause several nasty races when trying to update lvmcache during rescan.)
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/*
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* Copyright (C) 2008,2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "lib.h"
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#include "lvm2app.h"
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#include "toolcontext.h"
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#include "locking.h"
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#include "lvm-version.h"
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const char *lvm_library_get_version(void)
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{
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return LVM_VERSION;
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}
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lvm_t lvm_init(const char *system_dir)
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{
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struct cmd_context *cmd;
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/* FIXME: logging bound to handle
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*/
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/* create context */
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/* FIXME: split create_toolcontext */
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/* FIXME: make all globals configurable */
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cmd = create_toolcontext(0, system_dir);
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if (!cmd)
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return NULL;
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if (stored_errno())
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return (lvm_t) cmd;
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/*
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* FIXME: if an non memory error occured, return the cmd (maybe some
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* cleanup needed).
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*/
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/* initialization from lvm_run_command */
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init_error_message_produced(0);
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/* FIXME: locking_type config option needed? */
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/* initialize locking */
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if (!init_locking(-1, cmd)) {
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/* FIXME: use EAGAIN as error code here */
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lvm_quit((lvm_t) cmd);
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return NULL;
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}
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/*
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* FIXME: Use cmd->cmd_line as audit trail for liblvm calls. Used in
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* archive() call. Possible example:
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* cmd_line = "lvm_vg_create: vg1\nlvm_vg_extend vg1 /dev/sda1\n"
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*/
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cmd->cmd_line = (char *)"liblvm";
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return (lvm_t) cmd;
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}
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void lvm_quit(lvm_t libh)
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{
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destroy_toolcontext((struct cmd_context *)libh);
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}
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int lvm_config_reload(lvm_t libh)
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{
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/* FIXME: re-init locking needed here? */
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if (!refresh_toolcontext((struct cmd_context *)libh))
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return -1;
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return 0;
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}
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/*
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* FIXME: submit a patch to document the --config option
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*/
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int lvm_config_override(lvm_t libh, const char *config_settings)
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{
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struct cmd_context *cmd = (struct cmd_context *)libh;
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if (override_config_tree_from_string(cmd, config_settings))
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return -1;
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return 0;
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}
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int lvm_errno(lvm_t libh)
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{
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return stored_errno();
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}
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const char *lvm_errmsg(lvm_t libh)
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{
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return stored_errmsg();
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}
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