| From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| From: Eric Biggers <ebiggers@google.com> |
| Date: Wed, 9 Oct 2019 16:34:18 -0700 |
| Subject: FROMLIST: docs: ioctl-number: document fscrypt ioctl numbers |
| |
| The 'f' ioctls with numbers 19-26 decimal are currently used for fscrypt |
| (a.k.a. ext4/f2fs/ubifs encryption), and up to 39 decimal is reserved |
| for future fscrypt use, as per the comment in fs/ext4/ext4.h. So the |
| reserved range is 13-27 hex. |
| |
| Document this in ioctl-number.rst. |
| |
| Change-Id: Id106c59de21d1585c22729bd5b4339b27c298c9c |
| Signed-off-by: Eric Biggers <ebiggers@google.com> |
| Signed-off-by: Satya Tangirala <satyat@google.com> |
| Link: https://patchwork.kernel.org/patch/11182409/ |
| --- |
| Documentation/ioctl/ioctl-number.rst | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/Documentation/ioctl/ioctl-number.rst b/Documentation/ioctl/ioctl-number.rst |
| index bef79cd4c6b4..4ef86433bd67 100644 |
| --- a/Documentation/ioctl/ioctl-number.rst |
| +++ b/Documentation/ioctl/ioctl-number.rst |
| @@ -233,6 +233,7 @@ Code Seq# Include File Comments |
| 'f' 00-0F fs/ext4/ext4.h conflict! |
| 'f' 00-0F linux/fs.h conflict! |
| 'f' 00-0F fs/ocfs2/ocfs2_fs.h conflict! |
| +'f' 13-27 linux/fscrypt.h |
| 'f' 81-8F linux/fsverity.h |
| 'g' 00-0F linux/usb/gadgetfs.h |
| 'g' 20-2F linux/usb/g_printer.h |
