Patch "blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     blk-crypto-pass-a-gendisk-to-blk_crypto_sysfs_-un-re.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 8e5573c40b2d75dcf27ffa8ec3ffda9543f948df
Author: Christoph Hellwig <hch@xxxxxx>
Date:   Mon Nov 14 05:26:33 2022 +0100

    blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register
    
    [ Upstream commit 450deb93df7d457cdd93594a1987f9650c749b96 ]
    
    Prepare for changes to the block layer sysfs handling by passing the
    readily available gendisk to blk_crypto_sysfs_{,un}register.
    
    Signed-off-by: Christoph Hellwig <hch@xxxxxx>
    Reviewed-by: Eric Biggers <ebiggers@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20221114042637.1009333-2-hch@xxxxxx
    Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
    Stable-dep-of: 49e4d04f0486 ("block: Drop spurious might_sleep() from blk_put_queue()")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/block/blk-crypto-internal.h b/block/blk-crypto-internal.h
index e6818ffaddbf..b8a00847171f 100644
--- a/block/blk-crypto-internal.h
+++ b/block/blk-crypto-internal.h
@@ -21,9 +21,9 @@ extern const struct blk_crypto_mode blk_crypto_modes[];
 
 #ifdef CONFIG_BLK_INLINE_ENCRYPTION
 
-int blk_crypto_sysfs_register(struct request_queue *q);
+int blk_crypto_sysfs_register(struct gendisk *disk);
 
-void blk_crypto_sysfs_unregister(struct request_queue *q);
+void blk_crypto_sysfs_unregister(struct gendisk *disk);
 
 void bio_crypt_dun_increment(u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE],
 			     unsigned int inc);
@@ -67,12 +67,14 @@ static inline bool blk_crypto_rq_is_encrypted(struct request *rq)
 
 #else /* CONFIG_BLK_INLINE_ENCRYPTION */
 
-static inline int blk_crypto_sysfs_register(struct request_queue *q)
+static inline int blk_crypto_sysfs_register(struct gendisk *disk)
 {
 	return 0;
 }
 
-static inline void blk_crypto_sysfs_unregister(struct request_queue *q) { }
+static inline void blk_crypto_sysfs_unregister(struct gendisk *disk)
+{
+}
 
 static inline bool bio_crypt_rq_ctx_compatible(struct request *rq,
 					       struct bio *bio)
diff --git a/block/blk-crypto-sysfs.c b/block/blk-crypto-sysfs.c
index fd93bd2f33b7..e05f145cd797 100644
--- a/block/blk-crypto-sysfs.c
+++ b/block/blk-crypto-sysfs.c
@@ -126,8 +126,9 @@ static struct kobj_type blk_crypto_ktype = {
  * If the request_queue has a blk_crypto_profile, create the "crypto"
  * subdirectory in sysfs (/sys/block/$disk/queue/crypto/).
  */
-int blk_crypto_sysfs_register(struct request_queue *q)
+int blk_crypto_sysfs_register(struct gendisk *disk)
 {
+	struct request_queue *q = disk->queue;
 	struct blk_crypto_kobj *obj;
 	int err;
 
@@ -149,9 +150,9 @@ int blk_crypto_sysfs_register(struct request_queue *q)
 	return 0;
 }
 
-void blk_crypto_sysfs_unregister(struct request_queue *q)
+void blk_crypto_sysfs_unregister(struct gendisk *disk)
 {
-	kobject_put(q->crypto_kobject);
+	kobject_put(disk->queue->crypto_kobject);
 }
 
 static int __init blk_crypto_sysfs_init(void)
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index e7871665825a..2b1cf0b2a5c7 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -833,7 +833,7 @@ int blk_register_queue(struct gendisk *disk)
 			goto put_dev;
 	}
 
-	ret = blk_crypto_sysfs_register(q);
+	ret = blk_crypto_sysfs_register(disk);
 	if (ret)
 		goto put_dev;
 
@@ -910,7 +910,7 @@ void blk_unregister_queue(struct gendisk *disk)
 	 */
 	if (queue_is_mq(q))
 		blk_mq_sysfs_unregister(disk);
-	blk_crypto_sysfs_unregister(q);
+	blk_crypto_sysfs_unregister(disk);
 
 	mutex_lock(&q->sysfs_lock);
 	elv_unregister_queue(q);



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