ext4: remove unnecessary test_opt for DIOREAD_NOLOCK
The DIOREAD_NOLOCK flag has been cleared when doing the test_opt that is meaningless, so remove the unnecessary test_opt for DIOREAD_NOLOCK. Signed-off-by: NKaixu Xia <kaixuxia@tencent.com> Link: https://lore.kernel.org/r/1586751862-19437-1-git-send-email-kaixuxia@tencent.comSigned-off-by: NTheodore Ts'o <tytso@mit.edu>
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