66 lines
2.2 KiB
Bash
66 lines
2.2 KiB
Bash
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#!/bin/bash
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#
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# Verify that `btrfs check --init-csum-tree` can handle various nodatasum
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# cases.
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source "$TEST_TOP/common"
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check_prereq btrfs
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check_global_prereq fallocate
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check_global_prereq dd
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setup_root_helper
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prepare_test_dev
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run_check_mkfs_test_dev
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# Create an inode with nodatasum and some content
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run_check_mount_test_dev -o nodatasum
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run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/nodatasum_file" \
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bs=16k count=1 status=noxfer > /dev/null 2>&1
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# Revert to default datasum
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run_check $SUDO_HELPER mount -o remount,datasum "$TEST_MNT"
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# Then create an inode with datasum, but all preallocated extents
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run_check $SUDO_HELPER fallocate -l 32k "$TEST_MNT/prealloc1"
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# Create preallocated extent but partially written
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run_check $SUDO_HELPER fallocate -l 32k "$TEST_MNT/prealloc2"
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run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/prealloc2" \
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bs=16k count=1 conv=notrunc status=noxfer> /dev/null 2>&1
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# Then some regular files
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run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/regular" \
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bs=16k count=1 status=noxfer > /dev/null 2>&1
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# And some regular files with holes
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run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/regular_with_holes" \
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bs=16k count=1 status=noxfer > /dev/null 2>&1
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run_check $SUDO_HELPER fallocate -p -o 4096 -l 4096 "$TEST_MNT/regular_with_holes"
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# And the most complex one, preallocated, written, then hole
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run_check $SUDO_HELPER fallocate -l 8192 "$TEST_MNT/complex"
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run_check $SUDO_HELPER dd if=/dev/urandom of="$TEST_MNT/compex" \
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bs=4k count=1 conv=notrunc status=noxfer > /dev/null 2>&1
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sync
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run_check $SUDO_HELPER fallocate -p -l 4096 "$TEST_MNT/regular_with_holes"
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# Create some compressed file
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run_check $SUDO_HELPER mount -o remount,compress "$TEST_MNT"
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run_check $SUDO_HELPER dd if=/dev/zero of="$TEST_MNT/compressed" \
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bs=16k count=4 conv=notrunc status=noxfer> /dev/null 2>&1
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# And create a snapshot, every data extent is at least shared twice
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot "$TEST_MNT" \
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"$TEST_MNT/snapshot"
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run_check_umount_test_dev
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# --init-csum-tree should not fail
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run_check $SUDO_HELPER "$TOP/btrfs" check --force \
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--init-csum-tree "$TEST_DEV"
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# No error should be found
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run_check $SUDO_HELPER "$TOP/btrfs" check "$TEST_DEV"
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