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authorAlexandros Batsakis <batsakis@netapp.com>2009-12-09 01:50:11 -0800
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-12-15 13:50:01 -0500
commit3bfb0fc59192f7fffae0a1caada8dc68af53997a (patch)
treead4c11861dc1e5d50875c725cca3723332b05be2 /fs/nfs/nfs4proc.c
parent3ea6b3d0e6d0ffd91c0f8cadeb69b7133c038b32 (diff)
downloadblackbird-op-linux-3bfb0fc59192f7fffae0a1caada8dc68af53997a.tar.gz
blackbird-op-linux-3bfb0fc59192f7fffae0a1caada8dc68af53997a.zip
nfs: minor cleanup of session draining
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 9f5f11ecfd93..d117a7befd46 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -341,6 +341,23 @@ nfs4_free_slot(struct nfs4_slot_table *tbl, u8 free_slotid)
free_slotid, tbl->highest_used_slotid);
}
+/*
+ * Signal state manager thread if session is drained
+ */
+static void nfs41_check_drain_session_complete(struct nfs4_session *ses)
+{
+ if (!test_bit(NFS4CLNT_SESSION_DRAINING, &ses->clp->cl_state)) {
+ rpc_wake_up_next(&ses->fc_slot_table.slot_tbl_waitq);
+ return;
+ }
+
+ if (ses->fc_slot_table.highest_used_slotid != -1)
+ return;
+
+ dprintk("%s COMPLETE: Session Drained\n", __func__);
+ complete(&ses->complete);
+}
+
static void nfs41_sequence_free_slot(const struct nfs_client *clp,
struct nfs4_sequence_res *res)
{
@@ -356,15 +373,7 @@ static void nfs41_sequence_free_slot(const struct nfs_client *clp,
spin_lock(&tbl->slot_tbl_lock);
nfs4_free_slot(tbl, res->sr_slotid);
-
- /* Signal state manager thread if session is drained */
- if (test_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state)) {
- if (tbl->highest_used_slotid == -1) {
- dprintk("%s COMPLETE: Session Drained\n", __func__);
- complete(&clp->cl_session->complete);
- }
- } else
- rpc_wake_up_next(&tbl->slot_tbl_waitq);
+ nfs41_check_drain_session_complete(clp->cl_session);
spin_unlock(&tbl->slot_tbl_lock);
res->sr_slotid = NFS4_MAX_SLOT_TABLE;
}
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