https://lwn.net/Articles/923969/ https://sources.debian.org/data/main/e/e2fsprogs/1.47.0-2/debian/patches/disable-metadata_csum_seed-and-orphan_file-by-default Description: Disable metadata_csum_seed and orphan_file by default for Debian . There are a lot of debian packages that assume that mkfs.ext4 for Debian N will work on Debian N-1 (and sometimes N-2, N-3, etc.). This is a bad assumption, but it's too late to fix this for Debian Bookworm. . So revert making these feature a default for now. We will enable it again post Bookworm. Author: Theodore Ts'o Origin: vendor Forwarded: not-needed Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1031622 Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1030939 --- a/misc/mke2fs.conf.in +++ b/misc/mke2fs.conf.in @@ -11,7 +11,7 @@ features = has_journal } ext4 = { - features = has_journal,extent,huge_file,flex_bg,metadata_csum,metadata_csum_seed,64bit,dir_nlink,extra_isize,orphan_file + features = has_journal,extent,huge_file,flex_bg,metadata_csum,64bit,dir_nlink,extra_isize } small = { blocksize = 1024 -- 2.31.0