53 lines
1.3 KiB
Bash
Executable File
53 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Read and set scrub limits on a filesystem
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source "$TEST_TOP/common" || exit
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setup_root_helper
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setup_loopdevs 4
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prepare_loopdevs
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TEST_DEV=${loopdevs[1]}
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support=true
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fsid="13411a59-ccea-4296-a6f8-1446ccf8c9be"
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sysfs="/sys/fs/btrfs/13411a59-ccea-4296-a6f8-1446ccf8c9be"
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run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f --uuid "$fsid" -d raid1 -m raid1 "${loopdevs[@]}"
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run_check_mount_test_dev
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# Set the limits directly
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for i in "$sysfs"/devinfo/*/scrub_speed_max; do
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if ! [ -f "$i" ]; then
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_log "sysfs file scrub_speed_max not available, skip setting limits"
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support=false
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break;
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fi
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run_check cat "$i"
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echo "10m" | run_check $SUDO_HELPER tee "$i" >/dev/null
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done
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# This works even if scrub_speed_max files don't exist, this is equivalent to unlimited
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run_check "$TOP/btrfs" scrub limit "$TEST_MNT"
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# The rest of the test would fail
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if ! $support; then
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run_check_umount_test_dev
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cleanup_loopdevs
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fi
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# Set the limits by command
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here=`pwd`
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cd "$sysfs/devinfo"
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for i in *; do
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run_check $SUDO_HELPER "$TOP/btrfs" scrub limit -d "$i" -l 20m "$TEST_MNT"
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done
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cd "$here"
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run_check "$TOP/btrfs" scrub limit "$TEST_MNT"
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# Set limits for all devices
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run_check $SUDO_HELPER "$TOP/btrfs" scrub limit -a -l 30m "$TEST_MNT"
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run_check "$TOP/btrfs" scrub limit "$TEST_MNT"
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run_check_umount_test_dev
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cleanup_loopdevs
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