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Commit 600942e0 authored by Lars Ellenberg's avatar Lars Ellenberg Committed by Philipp Reisner
Browse files

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: default avatarPhilipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: default avatarLars Ellenberg <lars.ellenberg@linbit.com>
parent 738a84b2

include/linux/lru_cache.h

+6 −6
Original line number Diff line number Diff line
@@ -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 */