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From"Theodore Ts'o" <>
Subject[PATCH 18/49] ext4: sync up block group descriptor with e2fsprogs.
DateMon, 21 Jan 2008 22:01:57 -0500
From: Coly Li <coyli@suse.de>

This patch extends bg_itable_unused of ext4 group descriptor
from 16bit into 32bit. In order to add bg_itable_unused_hi into
struct ext4_group_desc, some extra fields which are already introduced into
e2fsprogs are also added in for consistency.

Signed-off-by: Coly Li <coyli@suse.de>
Cc: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
---
 include/linux/ext4_fs.h |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 6ae91f4..55a376e 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -118,6 +118,11 @@ struct ext4_group_desc
 	__le32	bg_block_bitmap_hi;	/* Blocks bitmap block MSB */
 	__le32	bg_inode_bitmap_hi;	/* Inodes bitmap block MSB */
 	__le32	bg_inode_table_hi;	/* Inodes table block MSB */
+	__le16	bg_free_blocks_count_hi;/* Free blocks count MSB */
+	__le16	bg_free_inodes_count_hi;/* Free inodes count MSB */
+	__le16	bg_used_dirs_count_hi;	/* Directories count MSB */
+	__le16	bg_itable_unused_hi;	/* Unused inodes count MSB */
+	__u32	bg_reserved2[3];
 };
 
 #define EXT4_BG_INODE_UNINIT	0x0001 /* Inode table/bitmap not in use */
-- 
1.5.4.rc3.31.g1271-dirty


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