On Tue, Dec 05, 2017 at 04:56:51PM -0700, Ross Zwisler wrote: > Add a new 'log_writes' command to xfs_io so that we can add dm-log-writes > log marks. It's helpful to allow users of xfs_io to adds these marks from > within xfs_io instead of waiting until after xfs_io exits because then they > are able to replay the dm-log-writes log up to immediately after another > xfs_io operation such as mwrite. This isolates the log replay from other > operations that happen as part of xfs_io exiting (file handles being > closed, mmaps being torn down, etc.). This also allows users to insert > multiple marks between different xfs_io commands. > > Signed-off-by: Ross Zwisler <[email protected]> > Suggested-by: Dave Chinner <[email protected]>
having just looked at the xfs_io mess, this new command needs to set "exitcode = 1" on failure. I haven't looked at anything else in the patch. Cheers, Dave. -- Dave Chinner [email protected] _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
