linux-ext4 - [RFCv1 19/72] libext2fs: Misc fixes for struct_ext2

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Date:   Mon,  7 Nov 2022 17:51:07 +0530
From:   "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
To:     Theodore Ts'o <tytso@....edu>
Cc:     linux-ext4@...r.kernel.org,
        Harshad Shirwadkar <harshadshirwadkar@...il.com>,
        Wang Shilong <wshilong@....com>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Li Xi <lixi@....com>, Andreas Dilger <adilger@...mcloud.com>,
        Ritesh Harjani <ritesh.list@...il.com>
Subject: [RFCv1 19/72] libext2fs: Misc fixes for struct_ext2_filsys

From: Andreas Dilger <adilger@...mcloud.com>

Move ext2_filsys fs_num_threads to fit into the __u16 "pad" field
to avoid consuming one of the few remaining __u32 reserved fields.

Signed-off-by: Andreas Dilger <adilger@...mcloud.com>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>
---
 lib/ext2fs/ext2fs.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 6b4926ce..950ab042 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -278,12 +278,11 @@ struct struct_ext2_filsys {
 	time_t				now;
 	int				cluster_ratio_bits;
 	__u16				default_bitmap_type;
-	__u16				pad;
-	__u32				fs_num_threads;
+	__u16				fs_num_threads;
 	/*
 	 * Reserved for future expansion
 	 */
-	__u32				reserved[4];
+	__u32				reserved[5];
 
 	/*
 	 * Reserved for the use of the calling application.
-- 
2.37.3