xfs: handle crtime more carefully in xfs_bulkstat_one_int

The crtime only exists for v5 inodes, so only copy it for those.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

fs/xfs/xfs_itable.c

@@ -99,8 +99,6 @@ xfs_bulkstat_one_int(
 	buf->bs_mtime_nsec = inode->i_mtime.tv_nsec;
 	buf->bs_ctime = inode->i_ctime.tv_sec;
 	buf->bs_ctime_nsec = inode->i_ctime.tv_nsec;
-	buf->bs_btime = dic->di_crtime.tv_sec;
-	buf->bs_btime_nsec = dic->di_crtime.tv_nsec;
 	buf->bs_gen = inode->i_generation;
 	buf->bs_mode = inode->i_mode;
 
@@ -113,6 +111,8 @@ xfs_bulkstat_one_int(
 	buf->bs_version = XFS_BULKSTAT_VERSION_V5;
 
 	if (xfs_sb_version_has_v3inode(&mp->m_sb)) {
+		buf->bs_btime = dic->di_crtime.tv_sec;
+		buf->bs_btime_nsec = dic->di_crtime.tv_nsec;
 		if (dic->di_flags2 & XFS_DIFLAG2_COWEXTSIZE)
 			buf->bs_cowextsize_blks = dic->di_cowextsize;
 	}