Tested fallback? No - not any more than if a user supplied O_DIRECT as a config option - but it does appear that the code tests for the error, prints a warning "InnoDB: Failed to set O_DIRECT on file %s: %s: %s, continuing anyway\n" and goes on.
I'll see about changing them in haildb too though.
Tested fallback? No - not any more than if a user supplied O_DIRECT as a config option - but it does appear that the code tests for the error, prints a warning "InnoDB: Failed to set O_DIRECT on file %s: %s: %s, continuing anyway\n" and goes on.
I'll see about changing them in haildb too though.