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dmeventd_thin: switch to struct percent

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Later we can use stored percent values to pass them
to executed commands.
This commit is contained in:
Zdenek Kabelac 2017-01-18 14:06:29 +01:00
parent eca964b554
commit 0d945ddbad
1 changed files with 15 additions and 18 deletions
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33
daemons/dmeventd/plugins/thin/dmeventd_thin.c
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@ -47,7 +47,9 @@
struct dso_state { struct dso_state {
struct dm_pool *mem; struct dm_pool *mem;
int metadata_percent_check; int metadata_percent_check;
int metadata_percent;
int data_percent_check; int data_percent_check;
int data_percent;
uint64_t known_metadata_size; uint64_t known_metadata_size;
uint64_t known_data_size; uint64_t known_data_size;
unsigned fails; unsigned fails;
@ -319,7 +321,6 @@ void process_event(struct dm_task *dmt,
void **user) void **user)
{ {
const char *device = dm_task_get_name(dmt); const char *device = dm_task_get_name(dmt);
int percent;
struct dso_state *state = *user; struct dso_state *state = *user;
struct dm_status_thin_pool *tps = NULL; struct dm_status_thin_pool *tps = NULL;
void *next = NULL; void *next = NULL;
@ -336,13 +337,9 @@ void process_event(struct dm_task *dmt,
dm_percent_to_float(state->metadata_percent_check)); dm_percent_to_float(state->metadata_percent_check));
#endif #endif
#if 0
/* No longer monitoring, waiting for remove */
if (!state->meta_percent_check && !state->data_percent_check)
return;
#endif
if (event & DM_EVENT_DEVICE_ERROR) { if (event & DM_EVENT_DEVICE_ERROR) {
/* Error -> no need to check and do instant resize */ /* Error -> no need to check and do instant resize */
state->data_percent = state->metadata_percent = 0;
if (_use_policy(dmt, state)) if (_use_policy(dmt, state))
goto out; goto out;
@ -402,38 +399,38 @@ void process_event(struct dm_task *dmt,
state->known_data_size = tps->total_data_blocks; state->known_data_size = tps->total_data_blocks;
} }
percent = dm_make_percent(tps->used_metadata_blocks, tps->total_metadata_blocks); state->metadata_percent = dm_make_percent(tps->used_metadata_blocks, tps->total_metadata_blocks);
if (percent >= state->metadata_percent_check) { if (state->metadata_percent >= state->metadata_percent_check) {
/* /*
* Usage has raised more than CHECK_STEP since the last * Usage has raised more than CHECK_STEP since the last
* time. Run actions. * time. Run actions.
*/ */
state->metadata_percent_check = (percent / CHECK_STEP) * CHECK_STEP + CHECK_STEP; state->metadata_percent_check = (state->metadata_percent / CHECK_STEP) * CHECK_STEP + CHECK_STEP;
/* FIXME: extension of metadata needs to be written! */ /* FIXME: extension of metadata needs to be written! */
if (percent >= WARNING_THRESH) /* Print a warning to syslog. */ if (state->metadata_percent >= WARNING_THRESH)
log_warn("WARNING: Thin pool %s metadata is now %.2f%% full.", log_warn("WARNING: Thin pool %s metadata is now %.2f%% full.",
device, dm_percent_to_float(percent)); device, dm_percent_to_float(state->metadata_percent));
needs_policy = 1; needs_policy = 1;
if (percent >= UMOUNT_THRESH) if (state->metadata_percent >= UMOUNT_THRESH)
needs_umount = 1; needs_umount = 1;
} }
percent = dm_make_percent(tps->used_data_blocks, tps->total_data_blocks); state->data_percent = dm_make_percent(tps->used_data_blocks, tps->total_data_blocks);
if (percent >= state->data_percent_check) { if (state->data_percent >= state->data_percent_check) {
/* /*
* Usage has raised more than CHECK_STEP since * Usage has raised more than CHECK_STEP since
* the last time. Run actions. * the last time. Run actions.
*/ */
state->data_percent_check = (percent / CHECK_STEP) * CHECK_STEP + CHECK_STEP; state->data_percent_check = (state->data_percent / CHECK_STEP) * CHECK_STEP + CHECK_STEP;
if (percent >= WARNING_THRESH) /* Print a warning to syslog. */ if (state->data_percent >= WARNING_THRESH)
log_warn("WARNING: Thin pool %s data is now %.2f%% full.", log_warn("WARNING: Thin pool %s data is now %.2f%% full.",
device, dm_percent_to_float(percent)); device, dm_percent_to_float(state->data_percent));
needs_policy = 1; needs_policy = 1;
if (percent >= UMOUNT_THRESH) if (state->data_percent >= UMOUNT_THRESH)
needs_umount = 1; needs_umount = 1;
} }