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btrfs-progs: convert-tests: Add test for backup superblock migration 

New convert framework uses new and simpler chunk layout, while the cost
is the more complex superblock range migration logical, compared to old
convert.

Enhance the convert test script to create file which will takes up 2nd
backup superblock space, to ensure the superblock migration is working
as expected.

Suggested-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2016-06-01 09:51:21 +08:00 committed by David Sterba
parent 205bd5edbe
commit bb3c2ea224
1 changed files with 6 additions and 0 deletions
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6
tests/convert-tests.sh
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@ -124,6 +124,12 @@ convert_test() {
# create a file to check btrfs-convert can convert regular file
# correct
run_check_mount_test_dev
# create a file inside the fs before convert, to make sure there is
# data covering btrfs backup superblock range (64M)
run_check $SUDO_HELPER dd if=/dev/zero bs=1M count=64 \
of=$TEST_MNT/convert_space_holder
populate_fs
run_check $SUDO_HELPER dd if=/dev/zero of=$TEST_MNT/test bs=$nodesize \
count=1 >/dev/null 2>&1