This is the first "official" posting of the patchset that I sent as an
RFC last week. I've spent some time testing the set now and I'm fairly
convinced that it works properly. At this point, it's probably ready to
soak in -next for a bit and if all goes well, merge in 3.8.
The main changes from the last set are:
1/ I've prefixed this set with the patches to add nfsdcltrack
2/ fixed an off-by-one bug in nfsd4_cltrack_legacy_recdir()
3/ error handling for nfs4_make_rec_clidname() has been cleaned up so
that errors from the functions called are returned to the caller
4/ the callers of nfs4_make_rec_clidname in the legacy tracker now call
it earlier, which means that it's computed under fewer locks
5/ if nfs4_make_rec_clidname returns -ENOENT, then the legacy tracker
will now disable the client ID tracking altogether and emit a
printk to warn that recovery won't work properly
6/ the legacy tracker also frees the contents of the reclaim list in
its gracedone operation. There's no point in keeping that around
afterward.
Bruce, let me know if you see anything that needs addressing before
you can put this into your for-next branch.
Thanks,
Jeff Layton (11):
nfsd: add a usermodehelper upcall for NFSv4 client ID tracking
nfsd: change heuristic for selecting the client_tracking_ops
nfsd: pass info about the legacy recoverydir in environment variables
nfsd: warn about impending removal of nfsdcld upcall
nfsd: have nfsd4_find_reclaim_client take a char * argument
nfsd: break out reclaim record removal into separate function
nfsd: make nfs4_client_to_reclaim return a pointer to the reclaim
record
nfsd: don't search for client by hash on legacy reboot recovery
gracedone
nfsd: move the confirmed and unconfirmed hlists to a rbtree
nfsd: get rid of cl_recdir field
nfsd: release the legacy reclaimable clients list in grace_done
fs/nfsd/nfs4recover.c | 354 ++++++++++++++++++++++++++++++++++++++++++++++----
fs/nfsd/nfs4state.c | 217 ++++++++++++++++++-------------
fs/nfsd/state.h | 14 +-
3 files changed, 461 insertions(+), 124 deletions(-)
--
1.7.11.7
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