MAINTAINERS: BCACHE: Kent Overstreet has changed email address

Kent's email address in MAINTAINERS seems to be invalid. This was his last sign-off address, so use that if appropriate.

Fix the S: status entry while there.

---

-------- Forwarded Message --------
From: Mail Delivery System <[email protected]> <[email protected]>: host ASPMX.L.GOOGLE.com[173.194.74.26] said: 550 5.2.1 The
email account that you tried to reach is disabled. z8si13175546icd.87 - gsmtp (in reply to RCPT TO command)

 MAINTAINERS | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

index 86d9398..d36e9ac 100644
@@ -2001,10 +2001,10 @@ S:	Maintained
 F:	drivers/net/hamradio/baycom*
 
 BCACHE (BLOCK LAYER CACHE)
-M:	Kent Overstreet <[email protected]>
+M:	Kent Overstreet <[email protected]>
 L:	[email protected]
 W:	http://bcache.evilpiepirate.org
-S:	Maintained:
+S:	Maintained
 F:	drivers/md/bcache/
 
 BEFS FILE SYSTEM

Use the generic mechanism to declare a bitmap instead of unsigned long.

---
 drivers/md/bcache/journal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index fe080ad..ce64fc8 100644
@@ -157,7 +157,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list)
 
 	for_each_cache(ca, c, iter) {
 		struct journal_device *ja = &ca->journal;
-		unsigned long bitmap[SB_JOURNAL_BUCKETS / BITS_PER_LONG];
+		DECLARE_BITMAP(bitmap, SB_JOURNAL_BUCKETS);
 		unsigned i, l, r, m;
 		uint64_t seq;
 

2.1.2