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>
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 2bc7d8a..d9b031c 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -755,7 +755,7 @@
 	 * allocation group.
 	 */
 	if ((blkno & (bmp->db_agsize - 1)) == 0)
-		/* check if the AG is currenly being written to.
+		/* check if the AG is currently being written to.
 		 * if so, call dbNextAG() to find a non-busy
 		 * AG with sufficient free space.
 		 */
@@ -3337,7 +3337,7 @@
 	for (i = 0, n = 0; i < agno; n++) {
 		bmp->db_agfree[n] = 0;	/* init collection point */
 
-		/* coalesce cotiguous k AGs; */
+		/* coalesce contiguous k AGs; */
 		for (j = 0; j < k && i < agno; j++, i++) {
 			/* merge AGi to AGn */
 			bmp->db_agfree[n] += bmp->db_agfree[i];