On Sun, Jul 16, 2023 at 11:52:42PM -0400, Sweet Tea Dorminy wrote:
> Since extent encryption requires inline encryption, even though we
> expect to use the inlinecrypt software fallback most of the time, we
> need to enumerate all the devices in use by btrfs.
>
> I'm not sure this is the correct list of active devices and it isn't
> tested with any multi-device test yet.
>
> Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@xxxxxxxxxx>
> ---
> fs/btrfs/fscrypt.c | 39 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
>
> diff --git a/fs/btrfs/fscrypt.c b/fs/btrfs/fscrypt.c
> index e03157c367a2..6875108f4363 100644
> --- a/fs/btrfs/fscrypt.c
> +++ b/fs/btrfs/fscrypt.c
> @@ -11,7 +11,9 @@
> #include "ioctl.h"
> #include "messages.h"
> #include "root-tree.h"
> +#include "super.h"
> #include "transaction.h"
> +#include "volumes.h"
> #include "xattr.h"
>
> /*
> @@ -164,9 +166,46 @@ static bool btrfs_fscrypt_empty_dir(struct inode *inode)
> return inode->i_size == BTRFS_EMPTY_DIR_SIZE;
> }
>
> +static struct block_device **btrfs_fscrypt_get_devices(struct super_block *sb,
> + unsigned int *num_devs)
> +{
> + struct btrfs_fs_info *fs_info = btrfs_sb(sb);
> + struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
> + int nr_devices = fs_devices->open_devices;
> +
Extraneous newline. Thanks,
Josef
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