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ext4: sync up block group descriptor with e2fsprogs.

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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>
This commit is contained in:
Coly Li 2008-01-28 23:58:27 -05:00 • committed by Theodore Ts'o
commit 91b51a018d
1 changed files with 5 additions and 0 deletions
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5
include/linux/ext4_fs.h
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@ -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 */