[PATCH 20/26] xfs: add fs-verity ioctls

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From: Andrey Albershteyn <aalbersh@xxxxxxxxxx>

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

Signed-off-by: Andrey Albershteyn <aalbersh@xxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
[djwong: remove unnecessary casting]
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 fs/xfs/xfs_ioctl.c |   16 ++++++++++++++++
 1 file changed, 16 insertions(+)


diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6eed1e52d3fde..b05930462f461 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -47,6 +47,7 @@
 #include <linux/fileattr.h>
 #include <linux/security.h>
 #include <linux/fsnotify.h>
+#include <linux/fsverity.h>
 
 /* Return 0 on success or positive error */
 int
@@ -1574,6 +1575,21 @@ xfs_file_ioctl(
 	case XFS_IOC_MAP_FREESP:
 		return xfs_ioc_map_freesp(filp, arg);
 
+	case FS_IOC_ENABLE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_enable(filp, arg);
+
+	case FS_IOC_MEASURE_VERITY:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_measure(filp, arg);
+
+	case FS_IOC_READ_VERITY_METADATA:
+		if (!xfs_has_verity(mp))
+			return -EOPNOTSUPP;
+		return fsverity_ioctl_read_metadata(filp, arg);
+
 	default:
 		return -ENOTTY;
 	}





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