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vdo: support functions to map enums to string names

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Translate VDO enums to printable strings.
This commit is contained in:
Zdenek Kabelac 2018-07-02 21:58:18 +02:00
parent aff69ecf39
commit aa63dfbe39
2 changed files with 53 additions and 0 deletions
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3
lib/metadata/metadata-exported.h
View File

@ -1251,6 +1251,9 @@ int wipe_cache_pool(struct logical_volume *cache_pool_lv);
/* ++ metadata/vdo_manip.c */
const char *get_vdo_compression_state_name(enum dm_vdo_compression_state state);
const char *get_vdo_index_state_name(enum dm_vdo_index_state state);
const char *get_vdo_operating_mode_name(enum dm_vdo_operating_mode mode);
uint64_t get_vdo_pool_virtual_size(const struct lv_segment *vdo_pool_seg);
struct logical_volume *convert_vdo_pool_lv(struct logical_volume *data_lv,
const struct dm_vdo_target_params *vtp,

50
lib/metadata/vdo_manip.c
View File

@ -25,6 +25,56 @@
#include "lib/misc/lvm-signal.h"
#include "lib/misc/lvm-exec.h"
const char *get_vdo_compression_state_name(enum dm_vdo_compression_state state)
{
switch (state) {
case DM_VDO_COMPRESSION_ONLINE:
return "online";
default:
log_debug(INTERNAL_ERROR "Unrecognized compression state: %u.", state);
/* Fall through */
case DM_VDO_COMPRESSION_OFFLINE:
return "offline";
}
}
const char *get_vdo_index_state_name(enum dm_vdo_index_state state)
{
switch (state) {
case DM_VDO_INDEX_ERROR:
return "error";
case DM_VDO_INDEX_CLOSED:
return "closed";
case DM_VDO_INDEX_OPENING:
return "opening";
case DM_VDO_INDEX_CLOSING:
return "closing";
case DM_VDO_INDEX_OFFLINE:
return "offline";
case DM_VDO_INDEX_ONLINE:
return "online";
default:
log_debug(INTERNAL_ERROR "Unrecognized index state: %u.", state);
/* Fall through */
case DM_VDO_INDEX_UNKNOWN:
return "unknown";
}
}
const char *get_vdo_operating_mode_name(enum dm_vdo_operating_mode mode)
{
switch (mode) {
case DM_VDO_MODE_RECOVERING:
return "recovering";
case DM_VDO_MODE_READ_ONLY:
return "read-only";
default:
log_debug(INTERNAL_ERROR "Unrecognized operating mode: %u.", mode);
/* Fall through */
case DM_VDO_MODE_NORMAL:
return "normal";
}
}
/*
* Size of VDO virtual LV is adding header_size in front and back of device