md: rename some drivers/md/ files to have an "md-" prefix

Motivated by the desire to illiminate the imprecise nature of
DM-specific patches being unnecessarily sent to both the MD maintainer
and mailing-list.  Which is born out of the fact that DM files also
reside in drivers/md/

Now all MD-specific files in drivers/md/ start with either "raid" or
"md-" and the MAINTAINERS file has been updated accordingly.

Shaohua: don't change module name

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>

MAINTAINERS

@@ -4091,6 +4091,8 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git
 T:	quilt http://people.redhat.com/agk/patches/linux/editing/
 S:	Maintained
 F:	Documentation/device-mapper/
+F:	drivers/md/Makefile
+F:	drivers/md/Kconfig
 F:	drivers/md/dm*
 F:	drivers/md/persistent-data/
 F:	include/linux/device-mapper.h
@@ -12446,7 +12448,10 @@ M:	Shaohua Li <shli@kernel.org>
 L:	linux-raid@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/shli/md.git
 S:	Supported
-F:	drivers/md/
+F:	drivers/md/Makefile
+F:	drivers/md/Kconfig
+F:	drivers/md/md*
+F:	drivers/md/raid*
 F:	include/linux/raid/
 F:	include/uapi/linux/raid/
 

drivers/md/Makefile

@@ -18,9 +18,12 @@ dm-cache-y	+= dm-cache-target.o dm-cache-metadata.o dm-cache-policy.o \
 dm-cache-smq-y   += dm-cache-policy-smq.o
 dm-era-y	+= dm-era-target.o
 dm-verity-y	+= dm-verity-target.o
-md-mod-y	+= md.o bitmap.o
+md-mod-y	+= md.o md-bitmap.o
 raid456-y	+= raid5.o raid5-cache.o raid5-ppl.o
 dm-zoned-y	+= dm-zoned-target.o dm-zoned-metadata.o dm-zoned-reclaim.o
+linear-y	+= md-linear.o
+multipath-y	+= md-multipath.o
+faulty-y	+= md-faulty.o
 
 # Note: link order is important.  All raid personalities
 # and must come before md.o, as they each initialise 

drivers/md/dm-raid.c

@@ -12,7 +12,7 @@
 #include "raid1.h"
 #include "raid5.h"
 #include "raid10.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 
 #include <linux/device-mapper.h>
 

drivers/md/md-bitmap.c

@@ -29,7 +29,7 @@
 #include <linux/seq_file.h>
 #include <trace/events/block.h>
 #include "md.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 
 static inline char *bmname(struct bitmap *bitmap)
 {

drivers/md/md-cluster.c

@@ -15,7 +15,7 @@
 #include <linux/sched.h>
 #include <linux/raid/md_p.h>
 #include "md.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 #include "md-cluster.h"
 
 #define LVB_SIZE	64

drivers/md/md-linear.c

@@ -23,7 +23,7 @@
 #include <linux/slab.h>
 #include <trace/events/block.h>
 #include "md.h"
-#include "linear.h"
+#include "md-linear.h"
 
 /*
  * find which device holds a particular offset

drivers/md/md-multipath.c

@@ -25,7 +25,7 @@
 #include <linux/seq_file.h>
 #include <linux/slab.h>
 #include "md.h"
-#include "multipath.h"
+#include "md-multipath.h"
 
 #define MAX_WORK_PER_DISK 128
 

drivers/md/md.c

@@ -69,7 +69,7 @@
 
 #include <trace/events/block.h>
 #include "md.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 #include "md-cluster.h"
 
 #ifndef MODULE

drivers/md/raid1.c

@@ -43,7 +43,7 @@
 
 #include "md.h"
 #include "raid1.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 
 #define UNSUPPORTED_MDDEV_FLAGS		\
 	((1L << MD_HAS_JOURNAL) |	\

drivers/md/raid10.c

@@ -29,7 +29,7 @@
 #include "md.h"
 #include "raid10.h"
 #include "raid0.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 
 /*
  * RAID10 provides a combination of RAID0 and RAID1 functionality.

drivers/md/raid5-cache.c

@@ -23,7 +23,7 @@
 #include <linux/types.h>
 #include "md.h"
 #include "raid5.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 #include "raid5-log.h"
 
 /*

drivers/md/raid5.c

@@ -63,7 +63,7 @@
 #include "md.h"
 #include "raid5.h"
 #include "raid0.h"
-#include "bitmap.h"
+#include "md-bitmap.h"
 #include "raid5-log.h"
 
 #define UNSUPPORTED_MDDEV_FLAGS	(1L << MD_FAILFAST_SUPPORTED)