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f1ab501a58
Cosmetic - skip <bactrace> when error has been just printed in raid segtype. Add missing log_error if allocation would fail for unknown segtype.
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
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* Copyright (C) 2004-2007 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 "toolcontext.h"
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#include "segtype.h"
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#include "display.h"
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#include "text_export.h"
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#include "text_import.h"
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#include "config.h"
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#include "str_list.h"
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#include "targets.h"
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#include "lvm-string.h"
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#include "activate.h"
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#include "str_list.h"
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#include "metadata.h"
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static const char *_unknown_name(const struct lv_segment *seg)
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{
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return seg->segtype->name;
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}
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static int _unknown_text_import(struct lv_segment *seg, const struct dm_config_node *sn,
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struct dm_hash_table *pv_hash)
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{
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struct dm_config_node *new, *last = NULL, *head = NULL;
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const struct dm_config_node *current;
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log_verbose("importing unknown segment");
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for (current = sn; current != NULL; current = current->sib) {
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if (!strcmp(current->key, "type") || !strcmp(current->key, "start_extent") ||
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!strcmp(current->key, "tags") || !strcmp(current->key, "extent_count"))
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continue;
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new = dm_config_clone_node_with_mem(seg->lv->vg->vgmem, current, 0);
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if (!new)
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return_0;
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if (last)
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last->sib = new;
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if (!head)
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head = new;
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last = new;
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}
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seg->segtype_private = head;
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return 1;
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}
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static int _unknown_text_export(const struct lv_segment *seg, struct formatter *f)
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{
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struct dm_config_node *cn = seg->segtype_private;
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return out_config_node(f, cn);
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}
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#ifdef DEVMAPPER_SUPPORT
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static int _unknown_add_target_line(struct dev_manager *dm __attribute__((unused)),
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struct dm_pool *mem __attribute__((unused)),
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struct cmd_context *cmd __attribute__((unused)),
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void **target_state __attribute__((unused)),
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struct lv_segment *seg __attribute__((unused)),
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const struct lv_activate_opts *laopts __attribute__((unused)),
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struct dm_tree_node *node, uint64_t len,
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uint32_t *pvmove_mirror_count __attribute__((unused)))
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{
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return dm_tree_node_add_error_target(node, len);
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}
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#endif
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static void _unknown_destroy(struct segment_type *segtype)
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{
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dm_free(segtype);
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}
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static struct segtype_handler _unknown_ops = {
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.name = _unknown_name,
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.text_import = _unknown_text_import,
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.text_export = _unknown_text_export,
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#ifdef DEVMAPPER_SUPPORT
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.add_target_line = _unknown_add_target_line,
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#endif
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.destroy = _unknown_destroy,
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};
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struct segment_type *init_unknown_segtype(struct cmd_context *cmd, const char *name)
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{
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struct segment_type *segtype = dm_zalloc(sizeof(*segtype));
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if (!segtype) {
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log_error("Failed to allocate memory for unknown segtype");
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return NULL;
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}
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segtype->cmd = cmd;
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segtype->ops = &_unknown_ops;
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segtype->name = dm_pool_strdup(cmd->mem, name);
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segtype->private = NULL;
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segtype->flags = SEG_UNKNOWN | SEG_VIRTUAL | SEG_CANNOT_BE_ZEROED;
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log_very_verbose("Initialised segtype: %s", segtype->name);
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return segtype;
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}
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