ext4: switch to fscrypt_file_open() (09a5c31c) · Commits · 戴 / test

fs/ext4/file.c

+4 −19

Original line number	Diff line number	Diff line
		@@ -364,7 +364,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
		struct super_block *sb = inode->i_sb;
		struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
		struct vfsmount *mnt = filp->f_path.mnt;
		struct dentry *dir;
		struct path path;
		char buf[64], *cp;
		int ret;
		@@ -404,25 +403,11 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
		ext4_journal_stop(handle);
		}
		}
		if (ext4_encrypted_inode(inode)) {
		ret = fscrypt_get_encryption_info(inode);

		ret = fscrypt_file_open(inode, filp);
		if (ret)
		return -EACCES;
		if (!fscrypt_has_encryption_key(inode))
		return -ENOKEY;
		}

		dir = dget_parent(file_dentry(filp));
		if (ext4_encrypted_inode(d_inode(dir)) &&
		!fscrypt_has_permitted_context(d_inode(dir), inode)) {
		ext4_warning(inode->i_sb,
		"Inconsistent encryption contexts: %lu/%lu",
		(unsigned long) d_inode(dir)->i_ino,
		(unsigned long) inode->i_ino);
		dput(dir);
		return -EPERM;
		}
		dput(dir);
		return ret;

		/*
		* Set up the jbd2_inode if we are opening the inode for
		* writing and the journal is present