block/crypto: Annotate the crypto functions

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

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@kernel.org>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://patch.msgid.link/297b40e43a7f9b7d20e91a6c44b41a69d01f5c63.1780682325.git.bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-crypto-profile.c b/block/blk-crypto-profile.c
index 4ac7444..cf447ba 100644 (file)
--- 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)