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git://sourceware.org/git/lvm2.git
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5d5f2306bd
This allows us to get the current on-disk version of the metadata whenever we have the current in-flight version, without a recourse to scanning or lvmcache.
95 lines
3.8 KiB
C
95 lines
3.8 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_LV_H
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#define _LVM_LV_H
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union lvid;
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struct volume_group;
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struct dm_list;
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struct lv_segment;
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struct replicator_device;
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enum activation_change;
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struct logical_volume {
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union lvid lvid;
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const char *name;
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struct volume_group *vg;
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uint64_t status;
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alloc_policy_t alloc;
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uint32_t read_ahead;
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int32_t major;
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int32_t minor;
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uint64_t size; /* Sectors */
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uint32_t le_count;
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uint32_t origin_count;
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uint32_t external_count;
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struct dm_list snapshot_segs;
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struct lv_segment *snapshot;
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struct replicator_device *rdevice;/* For replicator-devs, rimages, slogs - reference to rdevice */
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struct dm_list rsites; /* For replicators - all sites */
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struct dm_list segments;
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struct dm_list tags;
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struct dm_list segs_using_this_lv;
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uint64_t timestamp;
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const char *hostname;
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};
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uint64_t lv_size(const struct logical_volume *lv);
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uint64_t lv_metadata_size(const struct logical_volume *lv);
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char *lv_attr_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_uuid_dup(const struct logical_volume *lv);
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char *lv_tags_dup(const struct logical_volume *lv);
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char *lv_path_dup(struct dm_pool *mem, const struct logical_volume *lv);
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uint64_t lv_origin_size(const struct logical_volume *lv);
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char *lv_move_pv_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_convert_lv_dup(struct dm_pool *mem, const struct logical_volume *lv);
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int lv_kernel_major(const struct logical_volume *lv);
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int lv_kernel_minor(const struct logical_volume *lv);
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char *lv_mirror_log_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_data_lv_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_metadata_lv_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_pool_lv_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_modules_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_name_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_origin_dup(struct dm_pool *mem, const struct logical_volume *lv);
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uint32_t lv_kernel_read_ahead(const struct logical_volume *lv);
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uint64_t lvseg_start(const struct lv_segment *seg);
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uint64_t lvseg_size(const struct lv_segment *seg);
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uint64_t lvseg_chunksize(const struct lv_segment *seg);
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char *lvseg_segtype_dup(struct dm_pool *mem, const struct lv_segment *seg);
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char *lvseg_discards_dup(struct dm_pool *mem, const struct lv_segment *seg);
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char *lvseg_monitor_dup(struct dm_pool *mem, const struct lv_segment *seg);
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char *lvseg_tags_dup(const struct lv_segment *seg);
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char *lvseg_devices(struct dm_pool *mem, const struct lv_segment *seg);
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char *lvseg_seg_pe_ranges(struct dm_pool *mem, const struct lv_segment *seg);
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char *lv_time_dup(struct dm_pool *mem, const struct logical_volume *lv);
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char *lv_host_dup(struct dm_pool *mem, const struct logical_volume *lv);
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int lv_set_creation(struct logical_volume *lv,
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const char *hostname, uint64_t timestamp);
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const char *lv_layer(const struct logical_volume *lv);
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int lv_active_change(struct cmd_context *cmd, struct logical_volume *lv,
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enum activation_change activate);
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char *lv_active_dup(struct dm_pool *mem, const struct logical_volume *lv);
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const struct logical_volume *lv_lock_holder(const struct logical_volume *lv);
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struct logical_volume *lv_ondisk(struct logical_volume *lv);
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#endif /* _LVM_LV_H */
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