From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Wed, 28 Aug 2019 16:08:09 +0000 (-0400)
Subject: xfs: introduce v5 inode group structure
X-Git-Tag: v5.3.0-rc1~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d9b8f757f22a1f6d9920875750ab9c911d0c364;p=thirdparty%2Fxfsprogs-dev.git

xfs: introduce v5 inode group structure

Source kernel commit: 5f19c7fc6873351a3d81bbbb98c928343902d8d6

Introduce a new "v5" inode group structure that fixes the alignment
and padding problems of the existing structure.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---

diff --git a/libxfs/xfs_fs.h b/libxfs/xfs_fs.h
index 4f5a2e43b..6bc8adf5c 100644
--- a/libxfs/xfs_fs.h
+++ b/libxfs/xfs_fs.h
@@ -466,6 +466,17 @@ struct xfs_inogrp {
 	__u64		xi_allocmask;	/* mask of allocated inodes	*/
 };
 
+/* New inumbers structure that reports v5 features and fixes padding issues */
+struct xfs_inumbers {
+	uint64_t	xi_startino;	/* starting inode number	*/
+	uint64_t	xi_allocmask;	/* mask of allocated inodes	*/
+	uint8_t		xi_alloccount;	/* # bits set in allocmask	*/
+	uint8_t		xi_version;	/* version			*/
+	uint8_t		xi_padding[6];	/* zero				*/
+};
+
+#define XFS_INUMBERS_VERSION_V1	(1)
+#define XFS_INUMBERS_VERSION_V5	(5)
 
 /*
  * Error injection.