[PATCH v4 1/2] fstests: introduce MKFS_BCACHEFS_PROG for bcachefs

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From: Su Yue <glass.su@xxxxxxxx>

mkfs.bcachefs supports force overwrite when option '-f' is given:
$ mkfs.bcachefs --help | grep force
  -f, --force

There are some tests which call _scratch_mkfs multiple times
e.g. tests/generic/171. Without '-f' in MKFS_OPTIONS,
these tests just hang in overwrite confirmation.
After this commit, MKFS_BCACHEFS_PROG will contains ' -f' so
we don't have to add '-f' to MKFS_OPTIONS manually to make
these tests pass.

It also fixes generic/466 which unsets MKFS_OPTIONS causing
that test hangs in mfks.bcachefs waiting for confirmation of
the force overwrite.

Signed-off-by: Su Yue <glass.su@xxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
---
changelog:
v4:
    No change.
v3:
    Add Brian's Reviewed-by.
v2:
    Add more details about why MKFS_BCACHEFS_PROG should contain '-f'.
    
 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 524ffa02aa6a..31c21d2a8360 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
 		;;
 	*)
 		_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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