diff options
Diffstat (limited to 'fs/xfs/xfs_mru_cache.c')
-rw-r--r-- | fs/xfs/xfs_mru_cache.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c index afee7eb24323..4b0613d99faa 100644 --- a/fs/xfs/xfs_mru_cache.c +++ b/fs/xfs/xfs_mru_cache.c | |||
@@ -564,35 +564,6 @@ xfs_mru_cache_lookup( | |||
564 | } | 564 | } |
565 | 565 | ||
566 | /* | 566 | /* |
567 | * To look up an element using its key, but leave its location in the internal | ||
568 | * lists alone, call xfs_mru_cache_peek(). If the element isn't found, this | ||
569 | * function returns NULL. | ||
570 | * | ||
571 | * See the comments above the declaration of the xfs_mru_cache_lookup() function | ||
572 | * for important locking information pertaining to this call. | ||
573 | */ | ||
574 | void * | ||
575 | xfs_mru_cache_peek( | ||
576 | xfs_mru_cache_t *mru, | ||
577 | unsigned long key) | ||
578 | { | ||
579 | xfs_mru_cache_elem_t *elem; | ||
580 | |||
581 | ASSERT(mru && mru->lists); | ||
582 | if (!mru || !mru->lists) | ||
583 | return NULL; | ||
584 | |||
585 | spin_lock(&mru->lock); | ||
586 | elem = radix_tree_lookup(&mru->store, key); | ||
587 | if (!elem) | ||
588 | spin_unlock(&mru->lock); | ||
589 | else | ||
590 | __release(mru_lock); /* help sparse not be stupid */ | ||
591 | |||
592 | return elem ? elem->value : NULL; | ||
593 | } | ||
594 | |||
595 | /* | ||
596 | * To release the internal data structure spinlock after having performed an | 567 | * To release the internal data structure spinlock after having performed an |
597 | * xfs_mru_cache_lookup() or an xfs_mru_cache_peek(), call xfs_mru_cache_done() | 568 | * xfs_mru_cache_lookup() or an xfs_mru_cache_peek(), call xfs_mru_cache_done() |
598 | * with the data store pointer. | 569 | * with the data store pointer. |