[PATCH v4 07/12] block/crypto: Annotate the crypto functions

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

Add the lock context annotations required for Clang's thread-safety
analysis.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 block/blk-crypto-profile.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/block/blk-crypto-profile.c b/block/blk-crypto-profile.c
index 4ac74443687a..cf447ba4a66e 100644
--- a/block/blk-crypto-profile.c
+++ b/block/blk-crypto-profile.c
@@ -43,6 +43,7 @@ struct blk_crypto_keyslot {
 };
 
 static inline void blk_crypto_hw_enter(struct blk_crypto_profile *profile)
+	__acquires(&profile->lock)
 {
 	/*
 	 * Calling into the driver requires profile->lock held and the device
@@ -55,6 +56,7 @@ static inline void blk_crypto_hw_enter(struct blk_crypto_profile *profile)
 }
 
 static inline void blk_crypto_hw_exit(struct blk_crypto_profile *profile)
+	__releases(&profile->lock)
 {
 	up_write(&profile->lock);
 	if (profile->dev)