linux-ext4 - [PATCH 49/51] libext2fs: Enable support for the metadata checksumming feature

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Date:	Tue, 13 Dec 2011 17:18:40 -0800
From:	"Darrick J. Wong" <djwong@...ibm.com>
To:	Andreas Dilger <adilger.kernel@...ger.ca>,
	Theodore Tso <tytso@....edu>,
	"Darrick J. Wong" <djwong@...ibm.com>
Cc:	Sunil Mushran <sunil.mushran@...cle.com>,
	Amir Goldstein <amir73il@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Mingming Cao <cmm@...ibm.com>,
	Joel Becker <jlbec@...lplan.org>, linux-ext4@...r.kernel.org,
	Coly Li <colyli@...il.com>
Subject: [PATCH 49/51] libext2fs: Enable support for the metadata checksumming
	feature

Add metadata checksumming to the list of supported features.

Signed-off-by: Darrick J. Wong <djwong@...ibm.com>
---
 lib/ext2fs/ext2fs.h     |   12 ++++++++----
 lib/ext2fs/kernel-jbd.h |    3 ++-
 2 files changed, 10 insertions(+), 5 deletions(-)


diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index e107e61..a09597e 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -567,7 +567,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT3_FEATURE_INCOMPAT_EXTENTS|\
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG|\
 					 EXT4_FEATURE_INCOMPAT_MMP|\
-					 EXT4_FEATURE_INCOMPAT_64BIT)
+					 EXT4_FEATURE_INCOMPAT_64BIT|\
+					 EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM)
 #else
 #define EXT2_LIB_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE|\
 					 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
@@ -576,7 +577,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT3_FEATURE_INCOMPAT_EXTENTS|\
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG|\
 					 EXT4_FEATURE_INCOMPAT_MMP|\
-					 EXT4_FEATURE_INCOMPAT_64BIT)
+					 EXT4_FEATURE_INCOMPAT_64BIT|\
+					 EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM)
 #endif
 #ifdef CONFIG_QUOTA
 #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
@@ -586,7 +588,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\
 					 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
 					 EXT4_FEATURE_RO_COMPAT_BIGALLOC|\
-					 EXT4_FEATURE_RO_COMPAT_QUOTA)
+					 EXT4_FEATURE_RO_COMPAT_QUOTA|\
+					 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
 #else
 #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
 					 EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\
@@ -594,7 +597,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\
 					 EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\
 					 EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\
-					 EXT4_FEATURE_RO_COMPAT_BIGALLOC)
+					 EXT4_FEATURE_RO_COMPAT_BIGALLOC|\
+					 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
 #endif
 
 /*
diff --git a/lib/ext2fs/kernel-jbd.h b/lib/ext2fs/kernel-jbd.h
index e9d725d..a86150c 100644
--- a/lib/ext2fs/kernel-jbd.h
+++ b/lib/ext2fs/kernel-jbd.h
@@ -259,7 +259,8 @@ typedef struct journal_superblock_s
 #define JFS_KNOWN_ROCOMPAT_FEATURES	0
 #define JFS_KNOWN_INCOMPAT_FEATURES	(JFS_FEATURE_INCOMPAT_REVOKE|\
 					 JFS_FEATURE_INCOMPAT_ASYNC_COMMIT|\
-					 JFS_FEATURE_INCOMPAT_64BIT)
+					 JFS_FEATURE_INCOMPAT_64BIT|\
+					 JFS_FEATURE_INCOMPAT_CSUM_V2)
 
 #if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
 #ifdef E2FSCK_INCLUDE_INLINE_FUNCS

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