lru_cache.h: fix comments referring to ts_ instead of lc_

For some time we contemplated calling the "struct lru_cache"
a "struct tracked_set", and some comments kept the ts_ prefix.

Fix those to match the member field names.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2011-01-27 15:24:58 +01:00 committed by Philipp Reisner
parent 738a84b25c
commit 600942e0fd
1 changed files with 6 additions and 6 deletions

View File

@ -139,9 +139,9 @@ write intent log information, three of which are mentioned here.
* .list is on one of three lists:
* in_use: currently in use (refcnt > 0, lc_number != LC_FREE)
* lru: unused but ready to be reused or recycled
* (ts_refcnt == 0, lc_number != LC_FREE),
* (lc_refcnt == 0, lc_number != LC_FREE),
* free: unused but ready to be recycled
* (ts_refcnt == 0, lc_number == LC_FREE),
* (lc_refcnt == 0, lc_number == LC_FREE),
*
* an element is said to be "in the active set",
* if either on "in_use" or "lru", i.e. lc_number != LC_FREE.
@ -160,8 +160,8 @@ struct lc_element {
struct hlist_node colision;
struct list_head list; /* LRU list or free list */
unsigned refcnt;
/* back "pointer" into ts_cache->element[index],
* for paranoia, and for "ts_element_to_index" */
/* back "pointer" into lc_cache->element[index],
* for paranoia, and for "lc_element_to_index" */
unsigned lc_index;
/* if we want to track a larger set of objects,
* it needs to become arch independend u64 */
@ -190,8 +190,8 @@ struct lru_cache {
/* Arbitrary limit on maximum tracked objects. Practical limit is much
* lower due to allocation failures, probably. For typical use cases,
* nr_elements should be a few thousand at most.
* This also limits the maximum value of ts_element.ts_index, allowing the
* 8 high bits of .ts_index to be overloaded with flags in the future. */
* This also limits the maximum value of lc_element.lc_index, allowing the
* 8 high bits of .lc_index to be overloaded with flags in the future. */
#define LC_MAX_ACTIVE (1<<24)
/* statistics */