On Sun, Jan 14, 2024 at 12:41:20PM +0800, Su Yue wrote:
> mkfs.bcachefs supports force overwrite when option '-f' is given:
> $ mkfs.bcachefs --help | grep force
>   -f, --force
> After this commit, MKFS_BCACHEFS_PROG will contains ' -f' so
> we don't have to add '-f' to $MKFS_OPTIONS manually.
> 
> It also fixes generic/466 which unsets MKFS_OPTIONS causing
> that test hangs in mfks.bcachefs waiting for confirmation of
> the force overwrite.
> 

This seems mostly reasonable to me, but I'm kind of wondering why I
haven't had to add -f to my MKFS_OPTIONS for bcachefs. Is there
something unique to the test environment that affects this? I.e., I
don't see any issue with generic/466 on a recent Fedora, even if I
pre-format the scratch dev with XFS.

> Signed-off-by: Su Yue <[email protected]>
> ---
>  common/config |  3 ++-
>  common/rc     | 12 +++++++++---
>  2 files changed, 11 insertions(+), 4 deletions(-)
> 
> diff --git a/common/config b/common/config
> index c9771ff934cb..1f9edceec57a 100644
> --- a/common/config
> +++ b/common/config
> @@ -105,7 +105,7 @@ set_mkfs_prog_path_with_opts()
>       # Note: mkfs.f2fs doesn't support the --help option yet, but it doesn't
>       # matter since it also prints the help when an invalid option is given.
>       if [ "$p" != "" ] && \
> -             $p --help |& grep -q "[[:space:]]-f[[:space:]|]"; then
> +             $p --help |& grep -q "[[:space:]]-f[[:space:]|,]"; then
>               echo "$p -f"
>       else
>               echo $p
> @@ -313,6 +313,7 @@ export MKFS_REISER4_PROG=$(type -P mkfs.reiser4)
>  export E2FSCK_PROG=$(type -P e2fsck)
>  export TUNE2FS_PROG=$(type -P tune2fs)
>  export FSCK_OVERLAY_PROG=$(type -P fsck.overlay)
> +export MKFS_BCACHEFS_PROG=$(set_mkfs_prog_path_with_opts bcachefs)
>  
>  # SELinux adds extra xattrs which can mess up our expected output.
>  # So, mount with a context, and they won't be created.
> diff --git a/common/rc b/common/rc
> index cc92fe0681d6..f2e900bf1166 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -611,6 +611,9 @@ _test_mkfs()
>      xfs)
>       $MKFS_PROG -t $FSTYP -- -f $MKFS_OPTIONS $* $TEST_DEV
>       ;;
> +    bcachefs)
> +    $MKFS_BCACHEFS_PROG $MKFS_OPTIONS $* $TEST_DEV > /dev/null
> +     ;;
>      *)
>       yes | $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS $* $TEST_DEV
>       ;;
> @@ -753,6 +756,10 @@ _scratch_mkfs()
>               mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
>               mkfs_filter="grep -v -e ^mkfs\.ocfs2"
>               ;;
> +    bcachefs)
> +             mkfs_cmd="$MKFS_BCACHEFS_PROG"
> +             mkfs_filter="cat"
> +             ;;
>       *)
>               mkfs_cmd="yes | $MKFS_PROG -t $FSTYP --"
>               mkfs_filter="cat"
> @@ -1044,7 +1051,7 @@ _scratch_mkfs_sized()
>               export MOUNT_OPTIONS="-o size=$fssize $TMPFS_MOUNT_OPTIONS"
>               ;;
>       bcachefs)
> -             $MKFS_PROG -t $FSTYP -- $MKFS_OPTIONS --fs_size=$fssize 
> --block_size=$blocksize $SCRATCH_DEV
> +             $MKFS_BCACHEFS_PROG $MKFS_OPTIONS --fs_size=$fssize 
> --block_size=$blocksize $SCRATCH_DEV

Should this function have another bcachefs check at the top to set
def_blksize in the case the config specifies a blocksize to use?

Brian

>               ;;
>       *)
>               _notrun "Filesystem $FSTYP not supported in _scratch_mkfs_sized"
> @@ -1128,8 +1135,7 @@ _scratch_mkfs_blocksized()
>                                               -C $blocksize $SCRATCH_DEV
>               ;;
>       bcachefs)
> -             ${MKFS_PROG} -t $FSTYP $MKFS_OPTIONS --block_size=$blocksize \
> -                                                             $SCRATCH_DEV
> +             _scratch_mkfs --block_size=$blocksize
>               ;;
>       udf)
>               _scratch_mkfs -b $blocksize
> -- 
> 2.43.0
> 
> 


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