hfs/hfsplus: convert printks to pr_<level>

Use a more current logging style.

Add #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
hfsplus now uses "hfsplus: " for all messages.
Coalesce formats.
Prefix debugging messages too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
index 64a532a..43658c6 100644
--- a/fs/hfsplus/extents.c
+++ b/fs/hfsplus/extents.c
@@ -349,7 +349,7 @@
 		if (count <= block_nr) {
 			err = hfsplus_block_free(sb, start, count);
 			if (err) {
-				printk(KERN_ERR "hfs: can't free extent\n");
+				pr_err("can't free extent\n");
 				hfs_dbg(EXTENT, " start: %u count: %u\n",
 					start, count);
 			}
@@ -360,7 +360,7 @@
 			count -= block_nr;
 			err = hfsplus_block_free(sb, start + count, block_nr);
 			if (err) {
-				printk(KERN_ERR "hfs: can't free extent\n");
+				pr_err("can't free extent\n");
 				hfs_dbg(EXTENT, " start: %u count: %u\n",
 					start, count);
 			}
@@ -433,7 +433,7 @@
 	if (sbi->alloc_file->i_size * 8 <
 	    sbi->total_blocks - sbi->free_blocks + 8) {
 		/* extend alloc file */
-		printk(KERN_ERR "hfs: extend alloc file! "
+		pr_err("extend alloc file! "
 				"(%llu,%u,%u)\n",
 			sbi->alloc_file->i_size * 8,
 			sbi->total_blocks, sbi->free_blocks);