[PATCH v4 10/12] block/kyber: Make the lock context annotations compatible with Clang

[Bart Van Assche <bvanassche@acm.org>]

While sparse ignores the __acquires() and __releases() arguments, Clang
verifies these. Make the arguments of __acquires() and __releases()
acceptable for Clang.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 block/kyber-iosched.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index b84163d1f851..971818bcdc9d 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -882,6 +882,9 @@ static const struct elv_fs_entry kyber_sched_attrs[] = {
 };
 #undef KYBER_LAT_ATTR
 
+#define HCTX_FROM_SEQ_FILE(m) ((struct blk_mq_hw_ctx *)(m)->private)
+#define KYBER_HCTX_DATA(hctx) ((struct kyber_hctx_data *)(hctx)->sched_data)
+
 #ifdef CONFIG_BLK_DEBUG_FS
 #define KYBER_DEBUGFS_DOMAIN_ATTRS(domain, name)			\
 static int kyber_##name##_tokens_show(void *data, struct seq_file *m)	\
@@ -894,7 +897,7 @@ static int kyber_##name##_tokens_show(void *data, struct seq_file *m)	\
 }									\
 									\
 static void *kyber_##name##_rqs_start(struct seq_file *m, loff_t *pos)	\
-	__acquires(&khd->lock)						\
+	__acquires(&KYBER_HCTX_DATA(HCTX_FROM_SEQ_FILE(m))->lock)	\
 {									\
 	struct blk_mq_hw_ctx *hctx = m->private;			\
 	struct kyber_hctx_data *khd = hctx->sched_data;			\
@@ -913,7 +916,7 @@ static void *kyber_##name##_rqs_next(struct seq_file *m, void *v,	\
 }									\
 									\
 static void kyber_##name##_rqs_stop(struct seq_file *m, void *v)	\
-	__releases(&khd->lock)						\
+	__releases(&KYBER_HCTX_DATA(HCTX_FROM_SEQ_FILE(m))->lock)	\
 {									\
 	struct blk_mq_hw_ctx *hctx = m->private;			\
 	struct kyber_hctx_data *khd = hctx->sched_data;			\