tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

fs/jffs2/compr.c

@@ -177,7 +177,7 @@ uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
 		spin_unlock(&jffs2_compressor_list_lock);
 		break;
 	default:
-		printk(KERN_ERR "JFFS2: unknow compression mode.\n");
+		printk(KERN_ERR "JFFS2: unknown compression mode.\n");
 	}
  out:
 	if (ret == JFFS2_COMPR_NONE) {

fs/jffs2/readinode.c

@@ -931,7 +931,7 @@ static inline int read_unknown(struct jffs2_sb_info *c, struct jffs2_raw_node_re
  * Helper function for jffs2_get_inode_nodes().
  * The function detects whether more data should be read and reads it if yes.
  *
- * Returns: 0 on succes;
+ * Returns: 0 on success;
  * 	    negative error code on failure.
  */
 static int read_more(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *ref,

fs/jffs2/xattr.c

@@ -31,7 +31,7 @@
  *   is used to release xattr name/value pair and detach from c->xattrindex.
  * reclaim_xattr_datum(c)
  *   is used to reclaim xattr name/value pairs on the xattr name/value pair cache when
- *   memory usage by cache is over c->xdatum_mem_threshold. Currentry, this threshold 
+ *   memory usage by cache is over c->xdatum_mem_threshold. Currently, this threshold 
  *   is hard coded as 32KiB.
  * do_verify_xattr_datum(c, xd)
  *   is used to load the xdatum informations without name/value pair from the medium.