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ecryptfs: switch ecryptfs_decode_and_decrypt_filename() from dentry to sb

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-06-16 20:05:38 +04:00
parent cb5e05d1a6
commit 0747fdb2bd
4 changed files with 8 additions and 10 deletions
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5
fs/ecryptfs/crypto.c
View File

@ -2243,12 +2243,11 @@ int ecryptfs_encrypt_and_encode_filename(
*/
int ecryptfs_decode_and_decrypt_filename(char **plaintext_name,
size_t *plaintext_name_size,
struct dentry *ecryptfs_dir_dentry,
struct super_block *sb,
const char *name, size_t name_size)
{
struct ecryptfs_mount_crypt_stat *mount_crypt_stat =
&ecryptfs_superblock_to_private(
ecryptfs_dir_dentry->d_sb)->mount_crypt_stat;
&ecryptfs_superblock_to_private(sb)->mount_crypt_stat;
char *decoded_name;
size_t decoded_name_size;
size_t packet_size;

2
fs/ecryptfs/ecryptfs_kernel.h
View File

@ -575,7 +575,7 @@ int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry,
struct inode *ecryptfs_inode);
int ecryptfs_decode_and_decrypt_filename(char **decrypted_name,
size_t *decrypted_name_size,
struct dentry *ecryptfs_dentry,
struct super_block *sb,
const char *name, size_t name_size);
int ecryptfs_fill_zeros(struct file *file, loff_t new_length);
int ecryptfs_encrypt_and_encode_filename(

9
fs/ecryptfs/file.c
View File

@ -70,7 +70,7 @@ static ssize_t ecryptfs_read_update_atime(struct kiocb *iocb,
struct ecryptfs_getdents_callback {
struct dir_context ctx;
struct dir_context *caller;
struct dentry *dentry;
struct super_block *sb;
int filldir_called;
int entries_written;
};
@ -88,7 +88,7 @@ ecryptfs_filldir(void *dirent, const char *lower_name, int lower_namelen,
buf->filldir_called++;
rc = ecryptfs_decode_and_decrypt_filename(&name, &name_size,
buf->dentry, lower_name,
buf->sb, lower_name,
lower_namelen);
if (rc) {
printk(KERN_ERR "%s: Error attempting to decode and decrypt "
@ -114,15 +114,14 @@ static int ecryptfs_readdir(struct file *file, struct dir_context *ctx)
{
int rc;
struct file *lower_file;
struct inode *inode;
struct inode *inode = file_inode(file);
struct ecryptfs_getdents_callback buf = {
.ctx.actor = ecryptfs_filldir,
.caller = ctx,
.dentry = file->f_path.dentry
.sb = inode->i_sb,
};
lower_file = ecryptfs_file_to_lower(file);
lower_file->f_pos = ctx->pos;
inode = file_inode(file);
rc = iterate_dir(lower_file, &buf.ctx);
ctx->pos = buf.ctx.pos;
if (rc < 0)

2
fs/ecryptfs/inode.c
View File

@ -679,7 +679,7 @@ static int ecryptfs_readlink_lower(struct dentry *dentry, char **buf,
set_fs(old_fs);
if (rc < 0)
goto out;
rc = ecryptfs_decode_and_decrypt_filename(buf, bufsiz, dentry,
rc = ecryptfs_decode_and_decrypt_filename(buf, bufsiz, dentry->d_sb,
lower_buf, rc);
out:
kfree(lower_buf);