2020-06-16 06:32:30 +00:00
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#!/bin/bash
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# Regression test for mkfs.btrfs --rootdir with DUP data profile and rootdir
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# size near the limit of the device.
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#
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# There is a bug that makes mkfs.btrfs always to create unnecessary SINGLE
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# chunks, which eats up a lot of space and leads to unexpected ENOSPC bugs.
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source "$TEST_TOP/common"
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check_prereq mkfs.btrfs
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2023-04-13 18:40:23 +00:00
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2020-06-16 06:32:30 +00:00
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prepare_test_dev
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2021-10-11 13:56:58 +00:00
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tmp=$(_mktemp_dir mkfs-rootdir)
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2020-06-16 06:32:30 +00:00
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fallocate -l 128M $tmp/large_file
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# We should be able to create the fs with size limit to 2 * (128 + 32 + 8)
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# which is 336M. Here we round it up to 350M.
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run_check "$TOP/mkfs.btrfs" -f --rootdir "$tmp" -d dup -b 350M "$TEST_DEV"
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run_check "$TOP/btrfs" check "$TEST_DEV"
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rm -rf -- "$tmp"
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