From be957968f6fade15d0a7a6058ae270141263bd64 Mon Sep 17 00:00:00 2001
From: Ziyang Zhang <ZiyangZhang@linux.alibaba.com>
Date: Mon, 12 Dec 2022 13:56:44 +0800
Subject: common/xfs: Add a helper to export inode core size

Some xfs test cases need the number of bytes reserved for only the inode
record, excluding the immediate fork areas. Now the value is hard-coded
and it is not a good chioce. Add a helper in common/xfs to export the
inode core size.

Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Ziyang Zhang <ZiyangZhang@linux.alibaba.com>
Signed-off-by: Zorro Lang <zlang@kernel.org>
---
 common/xfs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'common/xfs')

diff --git a/common/xfs b/common/xfs
index f466d2c4..04ae121d 100644
--- a/common/xfs
+++ b/common/xfs
@@ -1495,3 +1495,18 @@ _require_xfsrestore_xflag()
 	$XFSRESTORE_PROG -h 2>&1 | grep -q -e '-x' || \
 			_notrun 'xfsrestore does not support -x flag.'
 }
+
+# Number of bytes reserved for only the inode record, excluding the
+# immediate fork areas.
+_xfs_get_inode_core_bytes()
+{
+	local dir="$1"
+
+	if _xfs_has_feature "$dir" crc; then
+		# v5 filesystems
+		echo 176
+	else
+		# v4 filesystems
+		echo 96
+	fi
+}
-- 
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