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| author | Eric Biggers <ebiggers@google.com> | 2017-01-24 10:58:06 -0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-02-06 23:26:43 -0500 |
| commit | 46f47e48008b63f5fd3a3bad8b79ba1a89fb625f (patch) | |
| tree | 6e0c899bf4c926b9277c95ee2e2c5c8834621a8b /fs/ext4 | |
| parent | 02680b31a0b3757e121d27223b6fe21778f52408 (diff) | |
| download | linux-46f47e48008b63f5fd3a3bad8b79ba1a89fb625f.tar.gz | |
fscrypt: split supp and notsupp declarations into their own headers
Previously, each filesystem configured without encryption support would define all the public fscrypt functions to their notsupp_* stubs. This list of #defines had to be updated in every filesystem whenever a change was made to the public fscrypt functions. To make things more maintainable now that we have three filesystems using fscrypt, split the old header fscrypto.h into several new headers. fscrypt_supp.h contains the real declarations and is included by filesystems when configured with encryption support, whereas fscrypt_notsupp.h contains the inline stubs and is included by filesystems when configured without encryption support. fscrypt_common.h contains common declarations needed by both. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ext4.h | 28 | ||||
| -rw-r--r-- | fs/ext4/page-io.c | 1 |
2 files changed, 5 insertions, 24 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 6bcb9622fdf9..a5c756b80b7d 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -32,7 +32,11 @@ #include <linux/percpu_counter.h> #include <linux/ratelimit.h> #include <crypto/hash.h> -#include <linux/fscrypto.h> +#ifdef CONFIG_EXT4_FS_ENCRYPTION +#include <linux/fscrypt_supp.h> +#else +#include <linux/fscrypt_notsupp.h> +#endif #include <linux/falloc.h> #include <linux/percpu-rwsem.h> #ifdef __KERNEL__ @@ -2309,28 +2313,6 @@ static inline int ext4_fname_setup_filename(struct inode *dir, } static inline void ext4_fname_free_filename(struct ext4_filename *fname) { } -#define fscrypt_set_d_op(i) -#define fscrypt_get_ctx fscrypt_notsupp_get_ctx -#define fscrypt_release_ctx fscrypt_notsupp_release_ctx -#define fscrypt_encrypt_page fscrypt_notsupp_encrypt_page -#define fscrypt_decrypt_page fscrypt_notsupp_decrypt_page -#define fscrypt_decrypt_bio_pages fscrypt_notsupp_decrypt_bio_pages -#define fscrypt_pullback_bio_page fscrypt_notsupp_pullback_bio_page -#define fscrypt_restore_control_page fscrypt_notsupp_restore_control_page -#define fscrypt_zeroout_range fscrypt_notsupp_zeroout_range -#define fscrypt_ioctl_set_policy fscrypt_notsupp_ioctl_set_policy -#define fscrypt_ioctl_get_policy fscrypt_notsupp_ioctl_get_policy -#define fscrypt_has_permitted_context fscrypt_notsupp_has_permitted_context -#define fscrypt_inherit_context fscrypt_notsupp_inherit_context -#define fscrypt_get_encryption_info fscrypt_notsupp_get_encryption_info -#define fscrypt_put_encryption_info fscrypt_notsupp_put_encryption_info -#define fscrypt_setup_filename fscrypt_notsupp_setup_filename -#define fscrypt_free_filename fscrypt_notsupp_free_filename -#define fscrypt_fname_encrypted_size fscrypt_notsupp_fname_encrypted_size -#define fscrypt_fname_alloc_buffer fscrypt_notsupp_fname_alloc_buffer -#define fscrypt_fname_free_buffer fscrypt_notsupp_fname_free_buffer -#define fscrypt_fname_disk_to_usr fscrypt_notsupp_fname_disk_to_usr -#define fscrypt_fname_usr_to_disk fscrypt_notsupp_fname_usr_to_disk #endif /* dir.c */ diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index d83b0f3c5fe9..e55624c50898 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -24,7 +24,6 @@ #include <linux/slab.h> #include <linux/mm.h> #include <linux/backing-dev.h> -#include <linux/fscrypto.h> #include "ext4_jbd2.h" #include "xattr.h" |