[PATCH 34/51] tune2fs: Store checksum algorithm type in superblock
From: Darrick J. Wong <hidden>
Date: 2011-12-14 01:17:10
Subsystem:
the rest · Maintainer:
Linus Torvalds
Actually records the checksum algorithm type in the superblock when enabling checksumming. Signed-off-by: Darrick J. Wong <redacted> --- misc/tune2fs.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 4b91192..7299ad6 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c@@ -699,6 +699,12 @@ static void rewrite_metadata_checksums(ext2_filsys fs) ext2fs_mark_bb_dirty(fs); fs->flags &= ~EXT2_FLAG_SUPER_ONLY; fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS; + if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, + EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) + fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM; + else + fs->super->s_checksum_type = 0; + ext2fs_mark_super_dirty(fs); } /*