static void completion_pages(struct work_struct *work)
{
- struct fscrypt_ctx *ctx =
- container_of(work, struct fscrypt_ctx, r.work);
- struct bio *bio = ctx->r.bio;
+ struct fscrypt_ctx *ctx = container_of(work, struct fscrypt_ctx, work);
+ struct bio *bio = ctx->bio;
__fscrypt_decrypt_bio(bio, true);
fscrypt_release_ctx(ctx);
void fscrypt_enqueue_decrypt_bio(struct fscrypt_ctx *ctx, struct bio *bio)
{
- INIT_WORK(&ctx->r.work, completion_pages);
- ctx->r.bio = bio;
- fscrypt_enqueue_decrypt_work(&ctx->r.work);
+ INIT_WORK(&ctx->work, completion_pages);
+ ctx->bio = bio;
+ fscrypt_enqueue_decrypt_work(&ctx->work);
}
EXPORT_SYMBOL(fscrypt_enqueue_decrypt_bio);
EXPORT_SYMBOL(fscrypt_enqueue_decrypt_work);
/**
- * fscrypt_release_ctx() - Releases an encryption context
- * @ctx: The encryption context to release.
+ * fscrypt_release_ctx() - Release a decryption context
+ * @ctx: The decryption context to release.
*
- * If the encryption context was allocated from the pre-allocated pool, returns
- * it to that pool. Else, frees it.
+ * If the decryption context was allocated from the pre-allocated pool, return
+ * it to that pool. Else, free it.
*/
void fscrypt_release_ctx(struct fscrypt_ctx *ctx)
{
EXPORT_SYMBOL(fscrypt_release_ctx);
/**
- * fscrypt_get_ctx() - Gets an encryption context
+ * fscrypt_get_ctx() - Get a decryption context
* @gfp_flags: The gfp flag for memory allocation
*
- * Allocates and initializes an encryption context.
+ * Allocate and initialize a decryption context.
*
- * Return: A new encryption context on success; an ERR_PTR() otherwise.
+ * Return: A new decryption context on success; an ERR_PTR() otherwise.
*/
struct fscrypt_ctx *fscrypt_get_ctx(gfp_t gfp_flags)
{
unsigned int max_namelen;
};
+/* Decryption work */
struct fscrypt_ctx {
union {
struct {
- struct page *bounce_page; /* Ciphertext page */
- struct page *control_page; /* Original page */
- } w;
- struct {
struct bio *bio;
struct work_struct work;
- } r;
+ };
struct list_head free_list; /* Free list */
};
u8 flags; /* Flags */