[Linux-cachefs] FS-Cache/CacheFS mark II

[Steve Dickson]

David Howells wrote:
>  (*) http://people.redhat.com/~dhowells/cachefs/fscache-nfs-2612mm1-10.diff
> 
> 	Cached NFS changes.

Attached is an update to David's patch that adds back the barriers
that stops calls into the fscache routines on filesystems that
are not mounted with the 'fsc' flag. Now, it can be argued that
these barriers are overkill, due to the designed of the
fscache interface, but having these barriers will guarantee the
stability of NFS will not be compromise by new and untested
code paths... I do think these barriers should be temporary,
but, again, to maintain the the stability of "normal" code
paths, I think they should be added....

The patch also does some general clean up and reworks
some of the debugging statements, tying them to NFSDBG_FSCACHE


steved.
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