From d475a507457b5cafa428871a473d0dcc828c5f68 Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Thu, 20 Oct 2016 16:47:56 +0200 Subject: ubifs: Add skeleton for fscrypto This is the first building block to provide file level encryption on UBIFS. Signed-off-by: Richard Weinberger --- fs/ubifs/super.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs/ubifs/super.c') diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index 4ec051089186..e85d5a47aeac 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -380,6 +380,9 @@ out: } done: clear_inode(inode); +#ifdef CONFIG_UBIFS_FS_ENCRYPTION + fscrypt_put_encryption_info(inode, NULL); +#endif } static void ubifs_dirty_inode(struct inode *inode, int flags) @@ -1995,6 +1998,12 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi) return c; } +#ifndef CONFIG_UBIFS_FS_ENCRYPTION +struct fscrypt_operations ubifs_crypt_operations = { + .is_encrypted = ubifs_crypt_is_encrypted, +}; +#endif + static int ubifs_fill_super(struct super_block *sb, void *data, int silent) { struct ubifs_info *c = sb->s_fs_info; @@ -2041,6 +2050,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE; sb->s_op = &ubifs_super_operations; sb->s_xattr = ubifs_xattr_handlers; + sb->s_cop = &ubifs_crypt_operations; mutex_lock(&c->umount_mutex); err = mount_ubifs(c); -- cgit v1.2.3