[PATCH 3/5] nfsd41: reclaim DRC memory on session free

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From: Andy Adamson <andros@xxxxxxxxxx>

Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b4a536d..991c3cc 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -583,6 +583,9 @@ free_session(struct kref *kref)
 		struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry;
 		nfsd4_release_respages(e->ce_respages, e->ce_resused);
 	}
+	spin_lock(&nfsd_drc_lock);
+	nfsd_drc_mem_used -= ses->se_fchannel.maxreqs * NFSD_SLOT_CACHE_SIZE;
+	spin_unlock(&nfsd_drc_lock);
 	kfree(ses);
 }
 
-- 
1.5.4.3

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