[v2,22/23] xfs: add fs-verity ioctls

Commit Message

Andrey Albershteyn April 4, 2023, 2:53 p.m. UTC

Add fs-verity ioctls to enable, dump metadata (descriptor and Merkle
tree pages) and obtain file's digest.

Signed-off-by: Andrey Albershteyn <[e-mail]>
---
 fs/xfs/xfs_ioctl.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Patch

diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 3d6d680b6cf3..ffa04f0aed4a 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -42,6 +42,7 @@ 
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/fileattr.h>
+#include <linux/fsverity.h>
 
 /*
  * xfs_find_handle maps from userspace xfs_fsop_handlereq structure to
@@ -2154,6 +2155,22 @@  xfs_file_ioctl(
 		return error;
 	}
 
+	case FS_IOC_ENABLE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_enable(filp, (const void __user *)arg);
+
+	case FS_IOC_MEASURE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_measure(filp, (void __user *)arg);
+
+	case FS_IOC_READ_VERITY_METADATA:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_read_metadata(filp,
+						    (const void __user *)arg);
+
 	default:
 		return -ENOTTY;
 	}