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 <[email protected]>
Cc: Andreas Dilger <[email protected]>
Cc: Mingming Cao <[email protected]>
---
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 783c6f3..6acf418 100644
--- a/include/linux/ext4_fs.h
+++ b/include/linux/ext4_fs.h
@@ -145,6 +145,11 @@ 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 */
--
Coly Li
SuSE PRC Labs
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