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RAS/CEC: Rename count_threshold to action_threshold

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... which is the better, more-fitting name anyway.

Tony:
 - make action_threshold u64 due to debugfs accessors expecting u64.
 - rename the remaining: s/count_threshold/action_threshold/g

Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-edac <linux-edac@vger.kernel.org>
This commit is contained in:
Borislav Petkov 2019-04-20 21:30:11 +02:00
parent 9632a3299b
commit b8b5ca6600
1 changed files with 12 additions and 12 deletions
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24
drivers/ras/cec.c
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@ -37,9 +37,9 @@
* thus emulate an an LRU-like behavior when deleting elements to free up space
* in the page.
*
* When an element reaches it's max count of count_threshold, we try to poison
* it by assuming that errors triggered count_threshold times in a single page
* are excessive and that page shouldn't be used anymore. count_threshold is
* When an element reaches it's max count of action_threshold, we try to poison
* it by assuming that errors triggered action_threshold times in a single page
* are excessive and that page shouldn't be used anymore. action_threshold is
* initialized to COUNT_MASK which is the maximum.
*
* That error event entry causes cec_add_elem() to return !0 value and thus
@ -122,7 +122,7 @@ static DEFINE_MUTEX(ce_mutex);
static u64 dfs_pfn;
/* Amount of errors after which we offline */
static unsigned int count_threshold = COUNT_MASK;
static u64 action_threshold = COUNT_MASK;
/* Each element "decays" each decay_interval which is 24hrs by default. */
#define CEC_DECAY_DEFAULT_INTERVAL 24 * 60 * 60 /* 24 hrs */
@ -345,7 +345,7 @@ int cec_add_elem(u64 pfn)
/* Check action threshold and soft-offline, if reached. */
count = COUNT(ca->array[to]);
if (count >= count_threshold) {
if (count >= action_threshold) {
u64 pfn = ca->array[to] >> PAGE_SHIFT;
if (!pfn_valid(pfn)) {
@ -416,18 +416,18 @@ static int decay_interval_set(void *data, u64 val)
}
DEFINE_DEBUGFS_ATTRIBUTE(decay_interval_ops, u64_get, decay_interval_set, "%lld\n");
static int count_threshold_set(void *data, u64 val)
static int action_threshold_set(void *data, u64 val)
{
*(u64 *)data = val;
if (val > COUNT_MASK)
val = COUNT_MASK;
count_threshold = val;
action_threshold = val;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(count_threshold_ops, u64_get, count_threshold_set, "%lld\n");
DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, u64_get, action_threshold_set, "%lld\n");
static int array_dump(struct seq_file *m, void *v)
{
@ -453,7 +453,7 @@ static int array_dump(struct seq_file *m, void *v)
seq_printf(m, "Decay interval: %lld seconds\n", decay_interval);
seq_printf(m, "Decays: %lld\n", ca->decays_done);
seq_printf(m, "Action threshold: %d\n", count_threshold);
seq_printf(m, "Action threshold: %lld\n", action_threshold);
mutex_unlock(&ce_mutex);
@ -502,10 +502,10 @@ static int __init create_debugfs_nodes(void)
goto err;
}
count = debugfs_create_file("count_threshold", S_IRUSR | S_IWUSR, d,
&count_threshold, &count_threshold_ops);
count = debugfs_create_file("action_threshold", S_IRUSR | S_IWUSR, d,
&action_threshold, &action_threshold_ops);
if (!count) {
pr_warn("Error creating count_threshold debugfs node!\n");
pr_warn("Error creating action_threshold debugfs node!\n");
goto err;
}