forked from Mirrors/btrfs-progs
45 lines
1.2 KiB
Bash
45 lines
1.2 KiB
Bash
#!/bin/bash
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# Test if "-m single" or "--mixed" can cause dev extent to use the reserved 1M
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# range
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#
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# Other profiles will cause mkfs.btrfs to allocate new meta/sys chunks
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# using btrfs_alloc_chunk() which won't use the 0~1M range, so other profiles
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# are safe, but we test them nevertheless.
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source "$TEST_TOP/common"
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check_prereq mkfs.btrfs
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check_prereq btrfs
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prepare_test_dev
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do_one_test ()
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{
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run_check_mkfs_test_dev "$@"
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# Use dev-extent tree to find first device extent
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first_dev_extent=$(run_check_stdout "$TOP/btrfs" inspect-internal \
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dump-tree -t device "$TEST_DEV" | \
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grep -oP '(?<=DEV_EXTENT )[[:digit:]]*' | head -n1)
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if [ -z "$first_dev_extent" ]; then
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_fail "failed to get first device extent"
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fi
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echo "first dev extent starts at $first_dev_extent" >> "$RESULTS"
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echo "reserved range is [0, $(( 1024 * 1024)))" >> "$RESULTS"
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# First device extent should not start below 1M
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if [ "$first_dev_extent" -lt $(( 1024 * 1024 )) ]; then
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_fail "first device extent occupies reserved 0~1M range"
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fi
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}
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do_one_test --mixed
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do_one_test -m single
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do_one_test
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do_one_test -m dup
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do_one_test -d dup
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do_one_test -m dup -d dup
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do_one_test --mixed -m dup -d dup
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