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Wed, 18 Mar 2026 20:17:03 -0700 (PDT) Received: from localhost.localdomain ([45.114.151.61]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82a6b5308fcsm5091656b3a.9.2026.03.18.20.17.00 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 18 Mar 2026 20:17:03 -0700 (PDT) From: Nithurshen To: linux-erofs@lists.ozlabs.org Cc: hsiangkao@linux.alibaba.com, zhaoyifan28@huawei.com, xiang@kernel.org, Nithurshen Subject: [PATCH experimental-tests] erofs-utils: tests: add test for blobdev block map support Date: Thu, 19 Mar 2026 08:46:43 +0530 Message-ID: <20260319031643.97106-1-nithurshen.dev@gmail.com> X-Mailer: git-send-email 2.52.0 X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Recent changes to mkfs.erofs enabled the use of the block map chunk format in conjunction with extra blob devices. Add a test case to ensure this functionality works as expected and to prevent future regressions. The test creates a dummy source directory, formats it using `--blobdev` and `-E force-inode-blockmap`, extracts the resulting image using `fsck.erofs`, and performs a strict diff to verify that the data mapped to the external blob device is read correctly without corruption. Signed-off-by: Nithurshen --- tests/Makefile.am | 3 +++ tests/erofs/028 | 48 +++++++++++++++++++++++++++++++++++++++++++++ tests/erofs/028.out | 2 ++ 3 files changed, 53 insertions(+) create mode 100755 tests/erofs/028 create mode 100644 tests/erofs/028.out diff --git a/tests/Makefile.am b/tests/Makefile.am index fe7fb47..03c6212 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -119,6 +119,9 @@ TESTS += erofs/026 # 027 - ensure that uncompressed filesystems should not have LZ4_0PADDING set TESTS += erofs/027 +# 028 - test mkfs with block map for blob devices +TESTS += erofs/028 + EXTRA_DIST = common/rc erofs clean-local: clean-local-check diff --git a/tests/erofs/028 b/tests/erofs/028 new file mode 100755 index 0000000..cfd1531 --- /dev/null +++ b/tests/erofs/028 @@ -0,0 +1,48 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0+ +# +# test mkfs with block map for blob devices + +seq=`basename $0` +seqres=$RESULT_DIR/$(echo $0 | awk '{print $((NF-1))"/"$NF}' FS="/") + +# get standard environment, filters and checks +. "${srcdir}/common/rc" + +cleanup() +{ + cd / + rm -rf $tmp.* +} + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +echo "QA output created by $seq" + +if [ -z $SCRATCH_DEV ]; then + SCRATCH_DEV=$tmp/erofs_$seq.img + rm -f SCRATCH_DEV +fi + +blob_dev=$tmp/erofs_blob_$seq.img +rm -f $blob_dev + +localdir="$tmp/$seq" +rm -rf $localdir +mkdir -p $localdir/test-source + +dd if=/dev/urandom of=$localdir/test-source/large_file.bin bs=1M count=2 status=none +echo "Hello EROFS Block Map" > $localdir/test-source/small_file.txt + +_scratch_mkfs $localdir/test-source -E force-inode-blockmap --chunksize=4096 --blobdev=$blob_dev >> $seqres.full 2>&1 || _fail "failed to mkfs" + +mkdir -p $localdir/extract-dir +$FSCK_EROFS_PROG --extract=$localdir/extract-dir --device=$blob_dev $SCRATCH_DEV >> $seqres.full 2>&1 || _fail "failed to extract image" + +diff -r --no-dereference $localdir/test-source/ $localdir/extract-dir/ >> $seqres.full 2>&1 || _fail "content mismatch! Data read from blob device is corrupted." + +echo Silence is golden +status=0 +exit 0 \ No newline at end of file diff --git a/tests/erofs/028.out b/tests/erofs/028.out new file mode 100644 index 0000000..2615f73 --- /dev/null +++ b/tests/erofs/028.out @@ -0,0 +1,2 @@ +QA output created by 028 +Silence is golden -- 2.43.0