[PATCH] fs: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove a
duplicate of ARRAY_SIZE.  Some trailing whitespaces are also deleted.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Chris Mason <mason@suse.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Nathan Scott <nathans@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 59e76b5..e92b991 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -377,10 +377,10 @@
 	sbi->s_sb = sb;
 	sbi->s_block_base = 0;
 	sb->s_fs_info = sbi;
-	
+
 	sb_set_blocksize(sb, BLOCK_SIZE);
 
-	for (i = 0; i < sizeof(flavours)/sizeof(flavours[0]) && !size; i++) {
+	for (i = 0; i < ARRAY_SIZE(flavours) && !size; i++) {
 		brelse(bh);
 		bh = sb_bread(sb, flavours[i].block);
 		if (!bh)