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Message-Id: <20190220065249.32099-18-ebiggers@kernel.org>
Date: Tue, 19 Feb 2019 22:52:48 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: linux-fscrypt@...r.kernel.org
Cc: Satya Tangirala <satyat@...gle.com>, linux-api@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net, keyrings@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-crypto@...r.kernel.org,
linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
Paul Crowley <paulcrowley@...gle.com>
Subject: [RFC PATCH v3 17/18] ubifs: wire up new fscrypt ioctls
From: Eric Biggers <ebiggers@...gle.com>
Wire up the new ioctls for adding and removing fscrypt keys to/from the
filesystem, and the new ioctl for retrieving v2 encryption policies.
FS_IOC_REMOVE_ENCRYPTION_KEY also required making UBIFS use
fscrypt_drop_inode().
For more details see Documentation/filesystems/fscrypt.rst, as well as
the fscrypt patches that added the implementation of these ioctls.
Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
fs/ubifs/ioctl.c | 24 ++++++++++++++++++------
fs/ubifs/super.c | 3 +++
2 files changed, 21 insertions(+), 6 deletions(-)
diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index 0f9c362a3402..5f4c4620f9c4 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -197,13 +197,21 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return -EOPNOTSUPP;
#endif
}
- case FS_IOC_GET_ENCRYPTION_POLICY: {
-#ifdef CONFIG_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);
+
+ case FS_IOC_REMOVE_ENCRYPTION_KEY:
+ return fscrypt_ioctl_remove_key(file, (const void __user *)arg);
+
+ case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
+ return fscrypt_ioctl_get_key_status(file, (void __user *)arg);
default:
return -ENOTTY;
@@ -222,6 +230,10 @@ 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:
break;
default:
return -ENOIOCTLCMD;
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 8dc2818fdd84..32937c887794 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1982,6 +1982,9 @@ const struct super_operations ubifs_super_operations = {
.destroy_inode = ubifs_destroy_inode,
.put_super = ubifs_put_super,
.write_inode = ubifs_write_inode,
+#ifdef CONFIG_FS_ENCRYPTION
+ .drop_inode = fscrypt_drop_inode,
+#endif
.evict_inode = ubifs_evict_inode,
.statfs = ubifs_statfs,
.dirty_inode = ubifs_dirty_inode,
--
2.20.1
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