[RFC 49/51] nfsd41: clear DRC cache on free_session

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From: Andy Adamson <andros@xxxxxxxxxx>

Signed-off-by: Andy Adamson<andros@xxxxxxxxxx>
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
 fs/nfsd/nfs4state.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a1a9e0a..cefb605 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -478,8 +478,15 @@ void
 free_session(struct kref *kref)
 {
 	struct nfs41_session *ses;
+	int i;
 
 	ses = container_of(kref, struct nfs41_session, se_ref);
+	for (i = 0; i < ses->se_fnumslots; i++) {
+		struct nfs41_cache_entry *e = &ses->se_slots[i].sl_cache_entry;
+		spin_lock(&e->ce_lock);
+		nfsd4_clear_respages(e->ce_respages, e->ce_resused);
+		spin_unlock(&e->ce_lock);
+	}
 	kfree(ses->se_slots);
 	kfree(ses);
 }
-- 
1.6.0.2

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