ubifs: Fix spelling mistakes

Fix some spelling mistakes in comments:
withoug  ==> without
numer  ==> number
aswell  ==> as well
referes  ==> refers
childs  ==> children
unnecesarry  ==> unnecessary

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Alexander Dahl <ada@thorsis.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

fs/ubifs/journal.c

@@ -1432,7 +1432,7 @@ out_free:
 /**
  * truncate_data_node - re-compress/encrypt a truncated data node.
  * @c: UBIFS file-system description object
- * @inode: inode which referes to the data node
+ * @inode: inode which refers to the data node
  * @block: data block number
  * @dn: data node to re-compress
  * @new_len: new length

fs/ubifs/master.c

@@ -37,7 +37,7 @@ int ubifs_compare_master_node(struct ubifs_info *c, void *m1, void *m2)
 		return ret;
 
 	/*
-	 * Do not compare the embedded HMAC aswell which also must be different
+	 * Do not compare the embedded HMAC as well which also must be different
 	 * due to the different common node header.
 	 */
 	behind = hmac_offs + UBIFS_MAX_HMAC_LEN;

fs/ubifs/replay.c

@@ -296,7 +296,7 @@ static int apply_replay_entry(struct ubifs_info *c, struct replay_entry *r)
  * @b: second replay entry
  *
  * This is a comparios function for 'list_sort()' which compares 2 replay
- * entries @a and @b by comparing their sequence numer.  Returns %1 if @a has
+ * entries @a and @b by comparing their sequence number.  Returns %1 if @a has
  * greater sequence number and %-1 otherwise.
  */
 static int replay_entries_cmp(void *priv, const struct list_head *a,

fs/ubifs/super.c

@@ -2061,7 +2061,7 @@ const struct super_operations ubifs_super_operations = {
  * @mode: UBI volume open mode
  *
  * The primary method of mounting UBIFS is by specifying the UBI volume
- * character device node path. However, UBIFS may also be mounted withoug any
+ * character device node path. However, UBIFS may also be mounted without any
  * character device node using one of the following methods:
  *
  * o ubiX_Y    - mount UBI device number X, volume Y;

fs/ubifs/tnc_commit.c

@@ -930,7 +930,7 @@ static int write_index(struct ubifs_info *c)
 		 * flag cleared before %COW_ZNODE. Specifically, it matters in
 		 * the 'dirty_cow_znode()' function. This is the reason for the
 		 * first barrier. Also, we want the bit changes to be seen to
-		 * other threads ASAP, to avoid unnecesarry copying, which is
+		 * other threads ASAP, to avoid unnecessary copying, which is
 		 * the reason for the second barrier.
 		 */
 		clear_bit(DIRTY_ZNODE, &znode->flags);

fs/ubifs/ubifs.h

@@ -914,7 +914,7 @@ struct ubifs_budget_req {
  * @rb: rb-tree node of rb-tree of orphans sorted by inode number
  * @list: list head of list of orphans in order added
  * @new_list: list head of list of orphans added since the last commit
- * @child_list: list of xattr childs if this orphan hosts xattrs, list head
+ * @child_list: list of xattr children if this orphan hosts xattrs, list head
  * if this orphan is a xattr, not used otherwise.
  * @cnext: next orphan to commit
  * @dnext: next orphan to delete