Messages in this thread Patch in this message | | | From | Sweet Tea Dorminy <> | Subject | [PATCH RFC v2 16/16] btrfs: implement fscrypt ioctls | Date | Sat, 23 Jul 2022 20:54:01 -0400 |
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From: Omar Sandoval <osandov@osandov.com>
These ioctls allow encryption to be set up.
Signed-off-by: Omar Sandoval <osandov@osandov.com> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me> --- fs/btrfs/ioctl.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 708e514aca25..2f91abb62a1d 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -5457,6 +5457,34 @@ long btrfs_ioctl(struct file *file, unsigned int return btrfs_ioctl_get_fslabel(fs_info, argp); case FS_IOC_SETFSLABEL: return btrfs_ioctl_set_fslabel(file, argp); + case FS_IOC_SET_ENCRYPTION_POLICY: { + if (!IS_ENABLED(CONFIG_FS_ENCRYPTION)) + return -EOPNOTSUPP; + if (sb_rdonly(fs_info->sb)) + return -EOPNOTSUPP; + /* + * If we crash before we commit, nothing encrypted could have + * been written so it doesn't matter whether the encrypted + * state persists. + */ + btrfs_set_fs_incompat(fs_info, FSCRYPT); + return fscrypt_ioctl_set_policy(file, (const void __user *)arg); + } + case FS_IOC_GET_ENCRYPTION_POLICY: + return fscrypt_ioctl_get_policy(file, (void __user *)arg); + 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, (void __user *)arg); + case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS: + return fscrypt_ioctl_remove_key_all_users(file, + (void __user *)arg); + case FS_IOC_GET_ENCRYPTION_KEY_STATUS: + return fscrypt_ioctl_get_key_status(file, (void __user *)arg); + case FS_IOC_GET_ENCRYPTION_NONCE: + return fscrypt_ioctl_get_nonce(file, (void __user *)arg); case FITRIM: return btrfs_ioctl_fitrim(fs_info, argp); case BTRFS_IOC_SNAP_CREATE: -- 2.35.1
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