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-rw-r--r--lib/lru_cache.c32
1 files changed, 18 insertions, 14 deletions
diff --git a/lib/lru_cache.c b/lib/lru_cache.c
index 4a83ecd03650..028f5d996eef 100644
--- a/lib/lru_cache.c
+++ b/lib/lru_cache.c
@@ -169,7 +169,7 @@ out_fail:
return NULL;
}
-void lc_free_by_index(struct lru_cache *lc, unsigned i)
+static void lc_free_by_index(struct lru_cache *lc, unsigned i)
{
void *p = lc->lc_element[i];
WARN_ON(!p);
@@ -247,10 +247,11 @@ size_t lc_seq_printf_stats(struct seq_file *seq, struct lru_cache *lc)
* progress) and "changed", when this in fact lead to an successful
* update of the cache.
*/
- return seq_printf(seq, "\t%s: used:%u/%u "
- "hits:%lu misses:%lu starving:%lu locked:%lu changed:%lu\n",
- lc->name, lc->used, lc->nr_elements,
- lc->hits, lc->misses, lc->starving, lc->locked, lc->changed);
+ seq_printf(seq, "\t%s: used:%u/%u hits:%lu misses:%lu starving:%lu locked:%lu changed:%lu\n",
+ lc->name, lc->used, lc->nr_elements,
+ lc->hits, lc->misses, lc->starving, lc->locked, lc->changed);
+
+ return 0;
}
static struct hlist_head *lc_hash_slot(struct lru_cache *lc, unsigned int enr)
@@ -643,9 +644,10 @@ void lc_set(struct lru_cache *lc, unsigned int enr, int index)
* lc_dump - Dump a complete LRU cache to seq in textual form.
* @lc: the lru cache to operate on
* @seq: the &struct seq_file pointer to seq_printf into
- * @utext: user supplied "heading" or other info
+ * @utext: user supplied additional "heading" or other info
* @detail: function pointer the user may provide to dump further details
- * of the object the lc_element is embedded in.
+ * of the object the lc_element is embedded in. May be NULL.
+ * Note: a leading space ' ' and trailing newline '\n' is implied.
*/
void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext,
void (*detail) (struct seq_file *, struct lc_element *))
@@ -654,16 +656,18 @@ void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char *utext
struct lc_element *e;
int i;
- seq_printf(seq, "\tnn: lc_number refcnt %s\n ", utext);
+ seq_printf(seq, "\tnn: lc_number (new nr) refcnt %s\n ", utext);
for (i = 0; i < nr_elements; i++) {
e = lc_element_by_index(lc, i);
- if (e->lc_number == LC_FREE) {
- seq_printf(seq, "\t%2d: FREE\n", i);
- } else {
- seq_printf(seq, "\t%2d: %4u %4u ", i,
- e->lc_number, e->refcnt);
+ if (e->lc_number != e->lc_new_number)
+ seq_printf(seq, "\t%5d: %6d %8d %6d ",
+ i, e->lc_number, e->lc_new_number, e->refcnt);
+ else
+ seq_printf(seq, "\t%5d: %6d %-8s %6d ",
+ i, e->lc_number, "-\"-", e->refcnt);
+ if (detail)
detail(seq, e);
- }
+ seq_putc(seq, '\n');
}
}