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Bypass lvmetad fns when not configured to use lvmetad.

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This commit is contained in:
Alasdair Kergon 2012-02-28 18:22:52 +00:00
parent d7d948eacc
commit 0c598c8270
1 changed files with 20 additions and 2 deletions
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22
lib/cache/lvmetad.h vendored
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2012 Red Hat, Inc. All rights reserved.
* Copyright (C) 2012 Red Hat, Inc.
*
* This file is part of LVM2.
*
@ -19,6 +19,7 @@ struct volume_group;
struct cmd_context;
struct dm_config_tree;
#ifdef LVMETAD_SUPPORT
/*
* Initialise the communication with lvmetad. Normally called by
* lvmcache_init. Sets up a global handle for our process.
@ -100,5 +101,22 @@ struct volume_group *lvmetad_vg_lookup(struct cmd_context *cmd,
*/
int pvscan_lvmetad(struct cmd_context *cmd, int argc, char **argv);
#endif
# else /* LVMETAD_SUPPORT */
# define lvmetad_init() do { } while (0)
# define lvmetad_set_active(a) do { } while (0)
# define lvmetad_active() (0)
# define lvmetad_vg_update(vg) (1)
# define lvmetad_vg_remove(vg) (1)
# define lvmetad_pv_found(pvid, device, fmt, label_sector, vg) (1)
# define lvmetad_pv_gone(device) (1)
# define lvmetad_pv_list_to_lvmcache(cmd) (1)
# define lvmetad_pv_lookup(cmd, pvid) (0)
# define lvmetad_pv_lookup_by_devt(cmd, dev) (0)
# define lvmetad_vg_list_to_lvmcache(cmd) (1)
# define lvmetad_vg_lookup(cmd, vgname, vgid) (NULL)
# define pvscan_lvmetad(cmd, argc, argv) (0)
# endif /* LVMETAD_SUPPORT */
#endif