Merge tag 'scrub-media-scan-service-6.10_2024-07-29' of https://git.kernel.org/pub...

xfs_scrub_all: automatic media scan service [v30.9 15/28]

Now that we've completed the online fsck functionality, there are a few
things that could be improved in the automatic service.  Specifically,
we would like to perform a more intensive metadata + media scan once per
month, to give the user confidence that the filesystem isn't losing data
silently.  To accomplish this, enhance xfs_scrub_all to be able to
trigger media scans.  Next, add a duplicate set of system services that
start the media scans automatically.

This has been running on the djcloud for months with no problems.  Enjoy!

Signed-off-by: Darrick J. Wong <djwong@kernel.org>