github/open-cas-linux
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

failover detach

Browse Source 
Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2021-10-07 12:58:42 +02:00
committed by ajrutkow
parent 86c7a9f5ae
commit 90d8584bd7
9 changed files with 382 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
casadm/cas_lib.c
View File

@@ -68,7 +68,7 @@ static const char *cache_states_name[ocf_cache_state_max + 1] = {
[ocf_cache_state_stopping] = "Stopping",
[ocf_cache_state_initializing] = "Initializing",
[ocf_cache_state_incomplete] = "Incomplete",
[ocf_cache_state_passive] = "Passive",
[ocf_cache_state_standby] = "Standby",
[ocf_cache_state_max] = "Unknown",
};
@@ -782,6 +782,9 @@ struct cache_device *get_cache_device(const struct kcas_cache_info *info, bool b
cache->id = cache_id;
cache->state = info->info.state;
if (info->info.failover_detached)
return NULL;
if (strncpy_s(cache->device, sizeof(cache->device),
info->cache_path_name,
sizeof(info->cache_path_name))) {
@@ -2776,7 +2779,7 @@ int list_caches(unsigned int list_format, bool by_id_path)
cache_mode_to_name(curr_cache->mode));
} else {
tmp_status = get_cache_state_name(curr_cache->state);
if (curr_cache->state & (1 << ocf_cache_state_passive)) {
if (curr_cache->state & (1 << ocf_cache_state_standby)) {
strncpy(mode_string, "-", sizeof(mode_string));
} else {
snprintf(mode_string, sizeof(mode_string), "%s",
@@ -2973,3 +2976,39 @@ int zero_md(const char *cache_device, bool force)
cas_printf(LOG_INFO, "OpenCAS's metadata wiped succesfully from device '%s'.\n", cache_device);
return SUCCESS;
}
int cas_ioctl(int id, void *data)
{
int fd, result;
fd = open_ctrl_device();
if (fd == -1)
return FAILURE;
result = run_ioctl(fd, id, data);
close(fd);
return result < 0 ? FAILURE : SUCCESS;
}
int failover_detach(int cache_id)
{
struct kcas_failover_detach data = {.cache_id = cache_id};
return cas_ioctl(KCAS_IOCTL_FAILOVER_DETACH, &data);
}
int failover_activate(int cache_id, const char *cache_device)
{
struct kcas_failover_activate data = {.cache_id = cache_id};
if (cache_device) {
if (set_device_path(data.cache_path, sizeof(data.cache_path),
cache_device, MAX_STR_LEN) != SUCCESS) {
return FAILURE;
}
}
return cas_ioctl(KCAS_IOCTL_FAILOVER_ACTIVATE, &data);
}