linux-kernel - [PATCH 1/4] dump.f2fs: show extra attr only when feature is enabled

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Date:   Thu, 16 Nov 2017 19:50:55 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     <jaegeuk@...nel.org>
CC:     <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        Chao Yu <yuchao0@...wei.com>
Subject: [PATCH 1/4] dump.f2fs: show extra attr only when feature is enabled

If we don't turn on the feature, don't show related info in dumped data.

Signed-off-by: Chao Yu <yuchao0@...wei.com>
---
 fsck/mount.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/fsck/mount.c b/fsck/mount.c
index 653dcf391da7..c094f940ee1b 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -222,10 +222,15 @@ void print_inode_info(struct f2fs_sb_info *sbi,
 			le32_to_cpu(inode->i_ext.blk_addr),
 			le32_to_cpu(inode->i_ext.len));
 
-	DISP_u16(inode, i_extra_isize);
-	DISP_u16(inode, i_inline_xattr_size);
-	DISP_u32(inode, i_projid);
-	DISP_u32(inode, i_inode_checksum);
+	if (c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
+		DISP_u16(inode, i_extra_isize);
+		if (c.feature & cpu_to_le32(F2FS_FEATURE_FLEXIBLE_INLINE_XATTR))
+			DISP_u16(inode, i_inline_xattr_size);
+		if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA))
+			DISP_u32(inode, i_projid);
+		if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CHKSUM))
+			DISP_u32(inode, i_inode_checksum);
+	}
 
 	DISP_u32(inode, i_addr[ofs]);		/* Pointers to data blocks */
 	DISP_u32(inode, i_addr[ofs + 1]);	/* Pointers to data blocks */
-- 
2.15.0.55.gc2ece9dc4de6