From 58ae74683ae2c07cd717a91799edb50231061938 Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Mon, 19 Dec 2016 12:25:32 +0100 Subject: fscrypt: factor out bio specific functions That way we can get rid of the direct dependency on CONFIG_BLOCK. Fixes: d475a507457b ("ubifs: Add skeleton for fscrypto") Reported-by: Arnd Bergmann Reported-by: Randy Dunlap Reviewed-by: Eric Biggers Reviewed-by: Christoph Hellwig Reviewed-by: David Gstir Signed-off-by: Richard Weinberger Signed-off-by: Theodore Ts'o --- fs/crypto/fscrypt_private.h | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'fs/crypto/fscrypt_private.h') diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h index aeab032d7d35..7bff7b4c7498 100644 --- a/fs/crypto/fscrypt_private.h +++ b/fs/crypto/fscrypt_private.h @@ -71,6 +71,11 @@ struct fscrypt_info { u8 ci_master_key[FS_KEY_DESCRIPTOR_SIZE]; }; +typedef enum { + FS_DECRYPT = 0, + FS_ENCRYPT, +} fscrypt_direction_t; + #define FS_CTX_REQUIRES_FREE_ENCRYPT_FL 0x00000001 #define FS_CTX_HAS_BOUNCE_BUFFER_FL 0x00000002 @@ -85,7 +90,16 @@ struct fscrypt_completion_result { /* crypto.c */ -int fscrypt_initialize(unsigned int cop_flags); +extern int fscrypt_initialize(unsigned int cop_flags); +extern struct workqueue_struct *fscrypt_read_workqueue; +extern int fscrypt_do_page_crypto(const struct inode *inode, + fscrypt_direction_t rw, u64 lblk_num, + struct page *src_page, + struct page *dest_page, + unsigned int len, unsigned int offs, + gfp_t gfp_flags); +extern struct page *fscrypt_alloc_bounce_page(struct fscrypt_ctx *ctx, + gfp_t gfp_flags); /* keyinfo.c */ extern int fscrypt_get_crypt_info(struct inode *); -- cgit v1.2.3