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authorDavid Gstir <david@sigma-star.at>2016-11-14 00:20:47 +0300
committerTheodore Ts'o <tytso@mit.edu>2016-11-14 04:18:01 +0300
commit0b93e1b94b86f826d18a2aaf219a53e271274d49 (patch)
treeae58dd61506c1751432025a818dfd43bffcdee5d /fs
parent7821d4dd4589ce5af54f3e46d04a29439ba3c2e5 (diff)
downloadlinux-0b93e1b94b86f826d18a2aaf219a53e271274d49.tar.xz
fscrypt: Constify struct inode pointer
Some filesystems, such as UBIFS, maintain a const pointer for struct inode. Signed-off-by: David Gstir <david@sigma-star.at> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/crypto/crypto.c10
-rw-r--r--fs/crypto/fname.c4
2 files changed, 7 insertions, 7 deletions
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index e170aa05011d..f5c5e84ea9db 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -88,7 +88,7 @@ EXPORT_SYMBOL(fscrypt_release_ctx);
* Return: An allocated and initialized encryption context on success; error
* value or NULL otherwise.
*/
-struct fscrypt_ctx *fscrypt_get_ctx(struct inode *inode, gfp_t gfp_flags)
+struct fscrypt_ctx *fscrypt_get_ctx(const struct inode *inode, gfp_t gfp_flags)
{
struct fscrypt_ctx *ctx = NULL;
struct fscrypt_info *ci = inode->i_crypt_info;
@@ -146,7 +146,7 @@ typedef enum {
FS_ENCRYPT,
} fscrypt_direction_t;
-static int do_page_crypto(struct inode *inode,
+static int do_page_crypto(const struct inode *inode,
fscrypt_direction_t rw, pgoff_t index,
struct page *src_page, struct page *dest_page,
unsigned int src_len, unsigned int src_offset,
@@ -231,7 +231,7 @@ static struct page *alloc_bounce_page(struct fscrypt_ctx *ctx, gfp_t gfp_flags)
* Return: An allocated page with the encrypted content on success. Else, an
* error value or NULL.
*/
-struct page *fscrypt_encrypt_page(struct inode *inode,
+struct page *fscrypt_encrypt_page(const struct inode *inode,
struct page *plaintext_page,
unsigned int plaintext_len,
unsigned int plaintext_offset,
@@ -290,7 +290,7 @@ EXPORT_SYMBOL(fscrypt_encrypt_page);
*
* Return: Zero on success, non-zero otherwise.
*/
-int fscrypt_decrypt_page(struct inode *inode, struct page *page,
+int fscrypt_decrypt_page(const struct inode *inode, struct page *page,
unsigned int len, unsigned int offs)
{
return do_page_crypto(inode, FS_DECRYPT, page->index, page, page, len, offs,
@@ -298,7 +298,7 @@ int fscrypt_decrypt_page(struct inode *inode, struct page *page,
}
EXPORT_SYMBOL(fscrypt_decrypt_page);
-int fscrypt_zeroout_range(struct inode *inode, pgoff_t lblk,
+int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
sector_t pblk, unsigned int len)
{
struct fscrypt_ctx *ctx;
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 9a28133ac3b8..faeaf0be9400 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -220,7 +220,7 @@ static int digest_decode(const char *src, int len, char *dst)
return cp - dst;
}
-u32 fscrypt_fname_encrypted_size(struct inode *inode, u32 ilen)
+u32 fscrypt_fname_encrypted_size(const struct inode *inode, u32 ilen)
{
int padding = 32;
struct fscrypt_info *ci = inode->i_crypt_info;
@@ -238,7 +238,7 @@ EXPORT_SYMBOL(fscrypt_fname_encrypted_size);
* Allocates an output buffer that is sufficient for the crypto operation
* specified by the context and the direction.
*/
-int fscrypt_fname_alloc_buffer(struct inode *inode,
+int fscrypt_fname_alloc_buffer(const struct inode *inode,
u32 ilen, struct fscrypt_str *crypto_str)
{
unsigned int olen = fscrypt_fname_encrypted_size(inode, ilen);