From 20d3a518713e394efa5a899c84574b4b79ec5098 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Sun, 18 Mar 2018 17:36:32 -0700
Subject: [PATCH] bcache: Reduce the number of sparse complaints about lock
 imbalances
Git-commit: 20d3a518713e394efa5a899c84574b4b79ec5098
Patch-mainline: v4.17-rc1
References: bsc#1093023

Add more annotations for sparse to inform it about which functions do
not have the same number of spin_lock() and spin_unlock() calls.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Coly Li <colyli@suse.de>

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

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index acd0e5c074dd..18f1b5239620 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -594,6 +594,7 @@ static void journal_write_done(struct closure *cl)
 }
 
 static void journal_write_unlock(struct closure *cl)
+	__releases(&c->journal.lock)
 {
 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);
 
@@ -705,6 +706,7 @@ static void journal_try_write(struct cache_set *c)
 
 static struct journal_write *journal_wait_for_write(struct cache_set *c,
 						    unsigned nkeys)
+	__acquires(&c->journal.lock)
 {
 	size_t sectors;
 	struct closure cl;
-- 
2.16.3