From patchwork Wed Mar 7 00:01:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [35/54] mke2fs: Record the checksum algorithm in use in the superblock Date: Tue, 06 Mar 2012 14:01:29 -0000 From: "Darrick J. Wong" X-Patchwork-Id: 145102 Message-Id: <20120307000129.11945.56042.stgit@elm3b70.beaverton.ibm.com> To: Andreas Dilger , Theodore Tso , "Darrick J. Wong" Cc: Sunil Mushran , Amir Goldstein , Andi Kleen , Mingming Cao , Joel Becker , linux-ext4@vger.kernel.org, Coly Li Record the type of checksum algorithm we're using for metadata in the superblock when creating a filesystem. Signed-off-by: Darrick J. Wong --- misc/mke2fs.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/misc/mke2fs.c b/misc/mke2fs.c index 28485e3..92b80e9 100644 --- a/misc/mke2fs.c +++ b/misc/mke2fs.c @@ -2422,6 +2422,10 @@ int main (int argc, char *argv[]) sizeof(fs->super->s_last_mounted)); } + if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super, + EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) + fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM; + if (!quiet || noaction) show_stats(fs);