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-rw-r--r--fs/ubifs/key.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h
index 8f7476007549..9ee65086f627 100644
--- a/fs/ubifs/key.h
+++ b/fs/ubifs/key.h
@@ -484,7 +484,7 @@ static inline void key_copy(const struct ubifs_info *c,
484 * @key2: the second key to compare 484 * @key2: the second key to compare
485 * 485 *
486 * This function compares 2 keys and returns %-1 if @key1 is less than 486 * This function compares 2 keys and returns %-1 if @key1 is less than
487 * @key2, 0 if the keys are equivalent and %1 if @key1 is greater than @key2. 487 * @key2, %0 if the keys are equivalent and %1 if @key1 is greater than @key2.
488 */ 488 */
489static inline int keys_cmp(const struct ubifs_info *c, 489static inline int keys_cmp(const struct ubifs_info *c,
490 const union ubifs_key *key1, 490 const union ubifs_key *key1,
@@ -503,6 +503,26 @@ static inline int keys_cmp(const struct ubifs_info *c,
503} 503}
504 504
505/** 505/**
506 * keys_eq - determine if keys are equivalent.
507 * @c: UBIFS file-system description object
508 * @key1: the first key to compare
509 * @key2: the second key to compare
510 *
511 * This function compares 2 keys and returns %1 if @key1 is equal to @key2 and
512 * %0 if not.
513 */
514static inline int keys_eq(const struct ubifs_info *c,
515 const union ubifs_key *key1,
516 const union ubifs_key *key2)
517{
518 if (key1->u32[0] != key2->u32[0])
519 return 0;
520 if (key1->u32[1] != key2->u32[1])
521 return 0;
522 return 1;
523}
524
525/**
506 * is_hash_key - is a key vulnerable to hash collisions. 526 * is_hash_key - is a key vulnerable to hash collisions.
507 * @c: UBIFS file-system description object 527 * @c: UBIFS file-system description object
508 * @key: key 528 * @key: key