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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Ceph fscrypt functionality
*/
#ifndef _CEPH_CRYPTO_H
#define _CEPH_CRYPTO_H
#include <linux/fscrypt.h>
struct ceph_fscrypt_auth {
__le32 cfa_version;
__le32 cfa_blob_len;
u8 cfa_blob[FSCRYPT_SET_CONTEXT_MAX_SIZE];
} __packed;
#define CEPH_FSCRYPT_AUTH_VERSION 1
static inline u32 ceph_fscrypt_auth_len(struct ceph_fscrypt_auth *fa)
{
u32 ctxsize = le32_to_cpu(fa->cfa_blob_len);
return offsetof(struct ceph_fscrypt_auth, cfa_blob) + ctxsize;
}
#ifdef CONFIG_FS_ENCRYPTION
void ceph_fscrypt_set_ops(struct super_block *sb);
#else /* CONFIG_FS_ENCRYPTION */
static inline void ceph_fscrypt_set_ops(struct super_block *sb)
{
}
#endif /* CONFIG_FS_ENCRYPTION */
#endif
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