[CIFS] clean up some hard to read ifdefs

Christoph had noticed too many ifdefs in the CIFS code making it
hard to read.  This patch removes about a quarter of them from
the C files in cifs by improving a few key ifdefs in the .h files.

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 983557d..fa849c9 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -499,9 +499,8 @@
 					the struct would be in each open file,
 					but this should give enough time to
 					clear the socket */
-#ifdef CONFIG_CIFS_DEBUG2
-					cFYI(1, ("close delay, write pending"));
-#endif /* DEBUG2 */
+					cFYI(DBG2,
+						("close delay, write pending"));
 					msleep(timeout);
 					timeout *= 4;
 				}
@@ -1812,9 +1811,7 @@
 	pTcon = cifs_sb->tcon;
 
 	pagevec_init(&lru_pvec, 0);
-#ifdef CONFIG_CIFS_DEBUG2
-		cFYI(1, ("rpages: num pages %d", num_pages));
-#endif
+		cFYI(DBG2, ("rpages: num pages %d", num_pages));
 	for (i = 0; i < num_pages; ) {
 		unsigned contig_pages;
 		struct page *tmp_page;
@@ -1847,10 +1844,8 @@
 		/* Read size needs to be in multiples of one page */
 		read_size = min_t(const unsigned int, read_size,
 				  cifs_sb->rsize & PAGE_CACHE_MASK);
-#ifdef CONFIG_CIFS_DEBUG2
-		cFYI(1, ("rpages: read size 0x%x  contiguous pages %d",
+		cFYI(DBG2, ("rpages: read size 0x%x  contiguous pages %d",
 				read_size, contig_pages));
-#endif
 		rc = -EAGAIN;
 		while (rc == -EAGAIN) {
 			if ((open_file->invalidHandle) &&