Introduce blk_crypto_supported, Filesystems may use this to check wheather storage device support inline encryption.
Signed-off-by: Fengnan Chang <[email protected]> --- block/blk-crypto.c | 6 +++++- include/linux/blk-crypto.h | 5 +++++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/block/blk-crypto.c b/block/blk-crypto.c index a496aaef85ba..bef0833f9621 100644 --- a/block/blk-crypto.c +++ b/block/blk-crypto.c @@ -363,7 +363,11 @@ bool blk_crypto_config_supported(struct request_queue *q, return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) || __blk_crypto_cfg_supported(q->crypto_profile, cfg); } - +bool blk_crypto_supported(struct request_queue *q) +{ + return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) || + q->crypto_profile; +} /** * blk_crypto_start_using_key() - Start using a blk_crypto_key on a device * @key: A key to use on the device diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h index 69b24fe92cbf..6806cef24d0f 100644 --- a/include/linux/blk-crypto.h +++ b/include/linux/blk-crypto.h @@ -103,6 +103,7 @@ int blk_crypto_evict_key(struct request_queue *q, bool blk_crypto_config_supported(struct request_queue *q, const struct blk_crypto_config *cfg); +bool blk_crypto_supported(struct request_queue *q); #else /* CONFIG_BLK_INLINE_ENCRYPTION */ static inline bool bio_has_crypt_ctx(struct bio *bio) @@ -110,6 +111,10 @@ static inline bool bio_has_crypt_ctx(struct bio *bio) return false; } +static inline bool blk_crypto_supported(struct request_queue *q) +{ + return false; +} #endif /* CONFIG_BLK_INLINE_ENCRYPTION */ int __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask); -- 2.32.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
