Add a blk_crypto_cfg_supported helper that wraps
__blk_crypto_cfg_supported to retreive the crypto_profile from the
request queue.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/blk-crypto-profile.c | 7 +++++++
block/blk-crypto.c | 13 ++++---------
fs/crypto/inline_crypt.c | 4 +---
include/linux/blk-crypto-profile.h | 2 ++
4 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/block/blk-crypto-profile.c b/block/blk-crypto-profile.c
index 96c511967386d..e8a0a3457fa29 100644
--- a/block/blk-crypto-profile.c
+++ b/block/blk-crypto-profile.c
@@ -353,6 +353,13 @@ bool __blk_crypto_cfg_supported(struct blk_crypto_profile *profile,
return true;
}
+bool blk_crypto_cfg_supported(struct block_device *bdev,
+ const struct blk_crypto_config *cfg)
+{
+ return __blk_crypto_cfg_supported(bdev_get_queue(bdev)->crypto_profile,
+ cfg);
+}
+
/**
* __blk_crypto_evict_key() - Evict a key from a device.
* @profile: the crypto profile of the device
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 0e0c2fc56c428..b4597d0e87546 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -267,7 +267,6 @@ bool __blk_crypto_bio_prep(struct bio **bio_ptr)
{
struct bio *bio = *bio_ptr;
const struct blk_crypto_key *bc_key = bio->bi_crypt_context->bc_key;
- struct blk_crypto_profile *profile;
/* Error if bio has no data. */
if (WARN_ON_ONCE(!bio_has_data(bio))) {
@@ -284,10 +283,8 @@ bool __blk_crypto_bio_prep(struct bio **bio_ptr)
* Success if device supports the encryption context, or if we succeeded
* in falling back to the crypto API.
*/
- profile = bdev_get_queue(bio->bi_bdev)->crypto_profile;
- if (__blk_crypto_cfg_supported(profile, &bc_key->crypto_cfg))
+ if (blk_crypto_cfg_supported(bio->bi_bdev, &bc_key->crypto_cfg))
return true;
-
if (blk_crypto_fallback_bio_prep(bio_ptr))
return true;
fail:
@@ -361,8 +358,7 @@ bool blk_crypto_config_supported(struct block_device *bdev,
const struct blk_crypto_config *cfg)
{
return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
- __blk_crypto_cfg_supported(bdev_get_queue(bdev)->crypto_profile,
- cfg);
+ blk_crypto_cfg_supported(bdev, cfg);
}
/**
@@ -383,8 +379,7 @@ bool blk_crypto_config_supported(struct block_device *bdev,
int blk_crypto_start_using_key(struct block_device *bdev,
const struct blk_crypto_key *key)
{
- if (__blk_crypto_cfg_supported(bdev_get_queue(bdev)->crypto_profile,
- &key->crypto_cfg))
+ if (blk_crypto_cfg_supported(bdev, &key->crypto_cfg))
return 0;
return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
}
@@ -407,7 +402,7 @@ int blk_crypto_evict_key(struct block_device *bdev,
{
struct request_queue *q = bdev_get_queue(bdev);
- if (__blk_crypto_cfg_supported(q->crypto_profile, &key->crypto_cfg))
+ if (blk_crypto_cfg_supported(bdev, &key->crypto_cfg))
return __blk_crypto_evict_key(q->crypto_profile, key);
/*
diff --git a/fs/crypto/inline_crypt.c b/fs/crypto/inline_crypt.c
index 55c4d8c23d30d..4034908743453 100644
--- a/fs/crypto/inline_crypt.c
+++ b/fs/crypto/inline_crypt.c
@@ -77,10 +77,8 @@ static void fscrypt_log_blk_crypto_impl(struct fscrypt_mode *mode,
unsigned int i;
for (i = 0; i < num_devs; i++) {
- struct request_queue *q = bdev_get_queue(devs[i]);
-
if (!IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
- __blk_crypto_cfg_supported(q->crypto_profile, cfg)) {
+ blk_crypto_cfg_supported(devs[i], cfg)) {
if (!xchg(&mode->logged_blk_crypto_native, 1))
pr_info("fscrypt: %s using blk-crypto (native)\n",
mode->friendly_name);
diff --git a/include/linux/blk-crypto-profile.h b/include/linux/blk-crypto-profile.h
index bbab65bd54288..a9ddf543c8a97 100644
--- a/include/linux/blk-crypto-profile.h
+++ b/include/linux/blk-crypto-profile.h
@@ -144,6 +144,8 @@ blk_status_t blk_crypto_get_keyslot(struct blk_crypto_profile *profile,
void blk_crypto_put_keyslot(struct blk_crypto_keyslot *slot);
+bool blk_crypto_cfg_supported(struct block_device *bdev,
+ const struct blk_crypto_config *cfg);
bool __blk_crypto_cfg_supported(struct blk_crypto_profile *profile,
const struct blk_crypto_config *cfg);
--
2.30.2
--
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