For bcachefs, def_blksz is never assigned even MKFS_OPTIONS contains option '--block_size'. So block size of bcachefs on scratch dev is always 4096 if _scratch_mkfs_sized is called without second parameter. Add the pattern to set def_blksz if '--block_size' is given in MKFS_OPTIONS. Signed-off-by: Su Yue <glass.su@xxxxxxxx> --- changelog: v2: Born. --- common/rc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/common/rc b/common/rc index 31c21d2a8360..6a01de69cf05 100644 --- a/common/rc +++ b/common/rc @@ -950,6 +950,9 @@ _scratch_mkfs_sized() jfs) def_blksz=4096 ;; + bcachefs) + def_blksz=`echo $MKFS_OPTIONS | sed -rn 's/.*(--block_size)[ =]?+([0-9]+).*/\2/p'` + ;; esac [ -n "$def_blksz" ] && blocksize=$def_blksz -- 2.43.0