On 18/01/2019 00:46, Chaitanya Kulkarni wrote: > This will force the user to run all tests in the buffered_io mode. > > What we really need is a config for the nvme category option which user can > set and decide > whether to run buffered_io or direct_io, you can set by default to the > buffered_io mode.
We could also introduce a check if we can use direct IO on the underlying FS, but the only way I can think of from a shell script is doing a 'dd of=$TMPDIR/testfile oflag=direct' and then populate the result to the helper functions. Chaitanya, Omar any ideas? -- Johannes Thumshirn SUSE Labs Filesystems [email protected] +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850
