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Signed-off-by: Anand Jain Reviewed-by: Zorro Lang --- tests/btrfs/226 | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tests/btrfs/226 b/tests/btrfs/226 index 359813c4f394..ce53b7d48c49 100755 --- a/tests/btrfs/226 +++ b/tests/btrfs/226 @@ -22,10 +22,8 @@ _require_xfs_io_command fpunch _scratch_mkfs >>$seqres.full 2>&1 -# This test involves RWF_NOWAIT direct IOs, but for inodes with data checksum, -# btrfs will fall back to buffered IO unconditionally to prevent data checksum -# mimsatch, and that will break RWF_NOWAIT with -EAGAIN. -# So here we have to go with nodatasum mount option. +# RWF_NOWAIT works only with direct I/O and requires an inode with nodatasum +# to avoid checksum mismatches. Otherwise, it falls back to buffered I/O. _scratch_mount -o nodatasum # Test a write against COW file/extent - should fail with -EAGAIN. Disable the