Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6

* 'linux-next' of git://git.infradead.org/ubifs-2.6: (33 commits)
  UBIFS: add more useful debugging prints
  UBIFS: print debugging messages properly
  UBIFS: fix numerous spelling mistakes
  UBIFS: allow mounting when short of space
  UBIFS: fix writing uncompressed files
  UBIFS: fix checkpatch.pl warnings
  UBIFS: fix sparse warnings
  UBIFS: simplify make_free_space
  UBIFS: do not lie about used blocks
  UBIFS: restore budg_uncommitted_idx
  UBIFS: always commit on unmount
  UBIFS: use ubi_sync
  UBIFS: always commit in sync_fs
  UBIFS: fix file-system synchronization
  UBIFS: fix constants initialization
  UBIFS: avoid unnecessary calculations
  UBIFS: re-calculate min_idx_size after the commit
  UBIFS: use nicer 64-bit math
  UBIFS: fix available blocks count
  UBIFS: various comment improvements and fixes
  ...

1 files changed, 18 insertions, 14 deletions

diff --git a/fs/ubifs/key.h b/fs/ubifs/key.h
index 3f1f16bc25c9..efb3430a2581 100644
--- a/fs/ubifs/key.h
+++ b/fs/ubifs/key.h
@@ -38,6 +38,22 @@
 #define __UBIFS_KEY_H__
 
 /**
+ * key_mask_hash - mask a valid hash value.
+ * @val: value to be masked
+ *
+ * We use hash values as offset in directories, so values %0 and %1 are
+ * reserved for "." and "..". %2 is reserved for "end of readdir" marker. This
+ * function makes sure the reserved values are not used.
+ */
+static inline uint32_t key_mask_hash(uint32_t hash)
+{
+        hash &= UBIFS_S_KEY_HASH_MASK;
+        if (unlikely(hash <= 2))
+                hash += 3;
+        return hash;
+}
+
+/**
  * key_r5_hash - R5 hash function (borrowed from reiserfs).
  * @s: direntry name
  * @len: name length
@@ -54,16 +70,7 @@ static inline uint32_t key_r5_hash(const char *s, int len)
                 str++;
         }
 
-        a &= UBIFS_S_KEY_HASH_MASK;
-
-        /*
-         * We use hash values as offset in directories, so values %0 and %1 are
-         * reserved for "." and "..". %2 is reserved for "end of readdir"
-         * marker.
-         */
-        if (unlikely(a >= 0 && a <= 2))
-                a += 3;
-        return a;
+        return key_mask_hash(a);
 }
 
 /**
@@ -77,10 +84,7 @@ static inline uint32_t key_test_hash(const char *str, int len)
 
         len = min_t(uint32_t, len, 4);
         memcpy(&a, str, len);
-        a &= UBIFS_S_KEY_HASH_MASK;
-        if (unlikely(a >= 0 && a <= 2))
-                a += 3;
-        return a;
+        return key_mask_hash(a);
 }
 
 /**