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[RFC,24/25] ubifs crypto: wire up FS_IOC_GET_ENCRYPTION_POLICY_EX

Message ID 20171023214058.128121-25-ebiggers3@gmail.com
State RFC
Delegated to: Richard Weinberger
Headers show
Series fscrypt: filesystem-level keyring and v2 policy support | expand

Commit Message

Eric Biggers Oct. 23, 2017, 9:40 p.m. UTC 
From: Eric Biggers <ebiggers@google.com>

FS_IOC_GET_ENCRYPTION_POLICY_EX allows filesystem encryption users to
retrieve the encryption policy for files and directories that use a v2
encryption policy.  Unlike the original FS_IOC_GET_ENCRYPTION_POLICY,
FS_IOC_GET_ENCRYPTION_POLICY_EX is also extensible to new versions of
the policy struct that may be added in the future.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 fs/ubifs/ioctl.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
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Patch

diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index 09ede2d1898f..2064c01ac864 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -197,13 +197,12 @@  long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		return -EOPNOTSUPP;
 #endif
 	}
-	case FS_IOC_GET_ENCRYPTION_POLICY: {
-#ifdef CONFIG_UBIFS_FS_ENCRYPTION
+
+	case FS_IOC_GET_ENCRYPTION_POLICY:
 		return fscrypt_ioctl_get_policy(file, (void __user *)arg);
-#else
-		return -EOPNOTSUPP;
-#endif
-	}
+
+	case FS_IOC_GET_ENCRYPTION_POLICY_EX:
+		return fscrypt_ioctl_get_policy_ex(file, (void __user *)arg);
 
 	case FS_IOC_ADD_ENCRYPTION_KEY:
 		return fscrypt_ioctl_add_key(file, (void __user *)arg);
@@ -231,6 +230,7 @@  long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 	case FS_IOC_SET_ENCRYPTION_POLICY:
 	case FS_IOC_GET_ENCRYPTION_POLICY:
+	case FS_IOC_GET_ENCRYPTION_POLICY_EX:
 	case FS_IOC_ADD_ENCRYPTION_KEY:
 	case FS_IOC_REMOVE_ENCRYPTION_KEY:
 	case FS_IOC_GET_ENCRYPTION_KEY_STATUS: