fsck get error with the file which is > 2TB in 4k block file system

[ck ya <ykwan0201@xxxxxxxxx>]

I compiled the latest e2fsprogs, and do fsck with -nvf on my ext4 file system.
It showed
Inode 18, i_blocks is 17179870744, should be 17179870744. Fix? no
The i_blocks is the same.

I found ext2fs_inode_i_blocks() has problem.  The function check
EXT4_FEATURE_RO_COMPAT_HUGE_FILE with "s_feature_compat".  It should
be "s_feature_ro_compat".

Thanks.

diff --git a/lib/ext2fs/blknum.c b/lib/ext2fs/blknum.c
index a48b696..d67c6ec 100644
--- a/lib/ext2fs/blknum.c
+++ b/lib/ext2fs/blknum.c
@@ -49,7 +49,7 @@ blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs,
                                        struct ext2_inode *inode)
 {
        return (inode->i_blocks |
-               ((fs->super->s_feature_incompat &
+               ((fs->super->s_feature_ro_incompat &
                  EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ?
                 (__u64) inode->osd2.linux2.l_i_blocks_hi << 32 : 0)) -
                (inode->i_file_acl ? fs->blocksize >> 9 : 0);
@@ -62,7 +62,7 @@ blk64_t ext2fs_inode_i_blocks(ext2_filsys fs,
                                        struct ext2_inode *inode)
 {
        return (inode->i_blocks |
-               ((fs->super->s_feature_incompat &
+               ((fs->super->s_feature_ro_incompat &
                  EXT4_FEATURE_RO_COMPAT_HUGE_FILE) ?
                 (__u64)inode->osd2.linux2.l_i_blocks_hi << 32 : 0));
 }
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