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author | J. Bruce Fields <bfields@redhat.com> | 2011-01-10 21:44:41 (GMT) |
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committer | J. Bruce Fields <bfields@redhat.com> | 2011-01-11 20:04:11 (GMT) |
commit | 5ce8ba25d657a71d6d8cdb05a2b90c5ae7debfda (patch) | |
tree | 831d815e91e23de373fe7fdc7a54b3eb098067f5 /fs/nfsd/state.h | |
parent | 3ff3600e7eab16301e824293e8f49b9990bd4641 (diff) | |
download | linux-fsl-qoriq-5ce8ba25d657a71d6d8cdb05a2b90c5ae7debfda.tar.xz |
nfsd4: allow restarting callbacks
If we lose the backchannel and then the client repairs the problem,
resend any callbacks.
We use a new cb_done flag to track whether there is still work to be
done for the callback or whether it can be destroyed with the rpc.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
-rw-r--r-- | fs/nfsd/state.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 4e5bdfd..3074656 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -68,10 +68,12 @@ typedef struct { struct nfsd4_callback { void *cb_op; struct nfs4_client *cb_clp; + struct list_head cb_per_client; u32 cb_minorversion; struct rpc_message cb_msg; const struct rpc_call_ops *cb_ops; struct work_struct cb_work; + bool cb_done; }; struct nfs4_delegation { @@ -248,6 +250,7 @@ struct nfs4_client { int cl_cb_state; struct nfsd4_callback cl_cb_null; struct nfsd4_session *cl_cb_session; + struct list_head cl_callbacks; /* list of in-progress callbacks */ /* for all client information that callback code might need: */ spinlock_t cl_lock; |