Hi, EXT2_FEATURE_RO_COMPAT_BTREE_DIR is no longer used and all its remnants should be removed. It has been replaced with EXT2_FEATURE_COMPAT_DIR_INDEX long back. Signed-off-by: Kalpak Shah <kalpak@xxxxxxxxxxxxx> Index: e2fsprogs-1.40.2/lib/ext2fs/ext2_fs.h =================================================================== --- e2fsprogs-1.40.2.orig/lib/ext2fs/ext2_fs.h +++ e2fsprogs-1.40.2/lib/ext2fs/ext2_fs.h @@ -626,7 +626,6 @@ struct ext2_super_block { #define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 #define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 -/* #define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 not used */ #define EXT4_FEATURE_RO_COMPAT_HUGE_FILE 0x0008 #define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 @@ -645,8 +644,7 @@ struct ext2_super_block { #define EXT2_FEATURE_COMPAT_SUPP 0 #define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE) #define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \ - EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \ - EXT2_FEATURE_RO_COMPAT_BTREE_DIR) + EXT2_FEATURE_RO_COMPAT_LARGE_FILE) /* * Default values for user and/or group using reserved blocks - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html