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Brute force all possible blocksize clustersize combination on a bigalloc > filesystem for stressing atomic write using fio data crc verifier. We run > multiple threads in parallel with each job writing to its own file. The > parallel jobs running on a constrained filesystem size ensure that we > stress the ext4 allocator to allocate contiguous extents. > > This test might do overlapping atomic writes but that should be okay > since overlapping parallel hardware atomic writes don't cause tearing as > long as io size is the same for all writes. > > Signed-off-by: Ritesh Harjani (IBM) > Reviewed-by: Darrick J. Wong > Signed-off-by: Ojaswin Mujoo > --- > tests/ext4/062 | 176 +++++++++++++++++++++++++++++++++++++++++++++ > tests/ext4/062.out | 2 + > 2 files changed, 178 insertions(+) > create mode 100755 tests/ext4/062 > create mode 100644 tests/ext4/062.out Is the only difference to 061 that we have multiple files (and not a single file)? Thanks, John