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Diffstat (limited to 'include/linux/fscrypt.h')
-rw-r--r--include/linux/fscrypt.h39
1 files changed, 16 insertions, 23 deletions
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index 7d2f1e0f23b1..cad78b569c7e 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -161,24 +161,21 @@ struct fscrypt_operations {
int *ino_bits_ret, int *lblk_bits_ret);
/*
- * Return the number of block devices to which the filesystem may write
- * encrypted file contents.
+ * Return an array of pointers to the block devices to which the
+ * filesystem may write encrypted file contents, NULL if the filesystem
+ * only has a single such block device, or an ERR_PTR() on error.
+ *
+ * On successful non-NULL return, *num_devs is set to the number of
+ * devices in the returned array. The caller must free the returned
+ * array using kfree().
*
* If the filesystem can use multiple block devices (other than block
* devices that aren't used for encrypted file contents, such as
* external journal devices), and wants to support inline encryption,
* then it must implement this function. Otherwise it's not needed.
*/
- int (*get_num_devices)(struct super_block *sb);
-
- /*
- * If ->get_num_devices() returns a value greater than 1, then this
- * function is called to get the array of request_queues that the
- * filesystem is using -- one per block device. (There may be duplicate
- * entries in this array, as block devices can share a request_queue.)
- */
- void (*get_devices)(struct super_block *sb,
- struct request_queue **devs);
+ struct block_device **(*get_devices)(struct super_block *sb,
+ unsigned int *num_devs);
};
static inline struct fscrypt_info *fscrypt_get_info(const struct inode *inode)
@@ -295,8 +292,6 @@ int fscrypt_parse_test_dummy_encryption(const struct fs_parameter *param,
struct fscrypt_dummy_policy *dummy_policy);
bool fscrypt_dummy_policies_equal(const struct fscrypt_dummy_policy *p1,
const struct fscrypt_dummy_policy *p2);
-int fscrypt_set_test_dummy_encryption(struct super_block *sb, const char *arg,
- struct fscrypt_dummy_policy *dummy_policy);
void fscrypt_show_test_dummy_encryption(struct seq_file *seq, char sep,
struct super_block *sb);
static inline bool
@@ -312,7 +307,7 @@ fscrypt_free_dummy_policy(struct fscrypt_dummy_policy *dummy_policy)
}
/* keyring.c */
-void fscrypt_sb_free(struct super_block *sb);
+void fscrypt_sb_delete(struct super_block *sb);
int fscrypt_ioctl_add_key(struct file *filp, void __user *arg);
int fscrypt_add_test_dummy_key(struct super_block *sb,
const struct fscrypt_dummy_policy *dummy_policy);
@@ -353,7 +348,7 @@ u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name);
int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags);
/* bio.c */
-void fscrypt_decrypt_bio(struct bio *bio);
+bool fscrypt_decrypt_bio(struct bio *bio);
int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
sector_t pblk, unsigned int len);
@@ -526,7 +521,7 @@ fscrypt_free_dummy_policy(struct fscrypt_dummy_policy *dummy_policy)
}
/* keyring.c */
-static inline void fscrypt_sb_free(struct super_block *sb)
+static inline void fscrypt_sb_delete(struct super_block *sb)
{
}
@@ -646,8 +641,9 @@ static inline int fscrypt_d_revalidate(struct dentry *dentry,
}
/* bio.c */
-static inline void fscrypt_decrypt_bio(struct bio *bio)
+static inline bool fscrypt_decrypt_bio(struct bio *bio)
{
+ return true;
}
static inline int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
@@ -768,7 +764,7 @@ bool fscrypt_mergeable_bio(struct bio *bio, const struct inode *inode,
bool fscrypt_mergeable_bio_bh(struct bio *bio,
const struct buffer_head *next_bh);
-bool fscrypt_dio_supported(struct kiocb *iocb, struct iov_iter *iter);
+bool fscrypt_dio_supported(struct inode *inode);
u64 fscrypt_limit_io_blocks(const struct inode *inode, u64 lblk, u64 nr_blocks);
@@ -801,11 +797,8 @@ static inline bool fscrypt_mergeable_bio_bh(struct bio *bio,
return true;
}
-static inline bool fscrypt_dio_supported(struct kiocb *iocb,
- struct iov_iter *iter)
+static inline bool fscrypt_dio_supported(struct inode *inode)
{
- const struct inode *inode = file_inode(iocb->ki_filp);
-
return !fscrypt_needs_contents_encryption(inode);
}