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authorColy Li2008-01-29 05:58:27 +0100
committerTheodore Ts'o2008-01-29 05:58:27 +0100
commit91b51a018d7711b20e9e0bb14c3d790de4e310d4 (patch)
tree59cc2c6f470207a6e19b5a1527868bfbb999ba31 /include/linux/ext4_fs.h
parentext3: Fix the max file size for ext3 file system. (diff)
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ext4: sync up block group descriptor with e2fsprogs.
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>
Diffstat (limited to 'include/linux/ext4_fs.h')
-rw-r--r--include/linux/ext4_fs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h
index 6ae91f40aaa2..55a376e7bca0 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 */