diff options
Diffstat (limited to 'lib/cache/lvmetad.h')
| -rw-r--r-- | lib/cache/lvmetad.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/lib/cache/lvmetad.h b/lib/cache/lvmetad.h index 2cd738ed9..af0d562fe 100644 --- a/lib/cache/lvmetad.h +++ b/lib/cache/lvmetad.h @@ -29,8 +29,7 @@ typedef int (*activation_handler) (struct cmd_context *cmd, #ifdef LVMETAD_SUPPORT /* - * Initialise the communication with lvmetad. Normally called by - * lvmcache_init. Sets up a global handle for our process. + * Sets up a global handle for our process. */ void lvmetad_init(struct cmd_context *); @@ -59,7 +58,9 @@ int lvmetad_socket_present(void); /* * Check whether lvmetad is active (where active means both that it is running - * and that we have a working connection with it). + * and that we have a working connection with it). It opens new connection + * with lvmetad in the process when lvmetad is supposed to be used and the + * connection is not open yet. */ int lvmetad_active(void); @@ -70,8 +71,9 @@ int lvmetad_active(void); void lvmetad_connect_or_warn(void); /* - * Drop connection to lvmetad. A subsequent lvmetad_init() will re-establish - * the connection (possibly at a different socket path). + * Drop connection to lvmetad. A subsequent lvmetad_connect_or_warn or + * lvmetad_active will re-establish the connection (possibly at a + * different socket path). */ void lvmetad_disconnect(void); @@ -143,6 +145,12 @@ int lvmetad_pv_lookup_by_dev(struct cmd_context *cmd, struct device *dev, int *f int lvmetad_vg_list_to_lvmcache(struct cmd_context *cmd); /* + * Request a list of vgid/vgname pairs for all VGs known to lvmetad. + * Does not do vg_lookup's on each VG, and does not populate lvmcache. + */ +int lvmetad_get_vgnameids(struct cmd_context *cmd, struct dm_list *vgnameids); + +/* * Find a VG by its ID or its name in the lvmetad cache. Gives NULL if the VG is * not found. */ @@ -153,9 +161,13 @@ struct volume_group *lvmetad_vg_lookup(struct cmd_context *cmd, * Scan a single device and update lvmetad with the result(s). */ int lvmetad_pvscan_single(struct cmd_context *cmd, struct device *dev, - activation_handler handler); + activation_handler handler, int ignore_obsolete); int lvmetad_pvscan_all_devs(struct cmd_context *cmd, activation_handler handler); +int lvmetad_pvscan_foreign_vgs(struct cmd_context *cmd, activation_handler handler); + +int lvmetad_vg_clear_outdated_pvs(struct volume_group *vg); +void lvmetad_validate_global_cache(struct cmd_context *cmd, int force); # else /* LVMETAD_SUPPORT */ @@ -178,9 +190,13 @@ int lvmetad_pvscan_all_devs(struct cmd_context *cmd, activation_handler handler) # define lvmetad_pv_lookup(cmd, pvid, found) (0) # define lvmetad_pv_lookup_by_dev(cmd, dev, found) (0) # define lvmetad_vg_list_to_lvmcache(cmd) (1) +# define lvmetad_get_vgnameids(cmd, vgnameids) do { } while (0) # define lvmetad_vg_lookup(cmd, vgname, vgid) (NULL) -# define lvmetad_pvscan_single(cmd, dev, handler) (0) +# define lvmetad_pvscan_single(cmd, dev, handler, ignore_obsolete) (0) # define lvmetad_pvscan_all_devs(cmd, handler) (0) +# define lvmetad_pvscan_foreign_vgs(cmd, handler) (0) +# define lvmetad_vg_clear_outdated_pvs(vg) (1) +# define lvmetad_validate_global_cache(cmd, force) do { } while (0) # endif /* LVMETAD_SUPPORT */ |