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nfsd41: reclaim DRC memory on session free 

This fixes a leak which would eventually lock out new clients.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Andy Adamson 2009-07-27 18:49:05 -04:00 committed by J. Bruce Fields
parent 413d63d710
commit be98d1bbd1
1 changed files with 3 additions and 0 deletions
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3
fs/nfsd/nfs4state.c
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@ -585,6 +585,9 @@ free_session(struct kref *kref)
struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry; struct nfsd4_cache_entry *e = &ses->se_slots[i].sl_cache_entry;
nfsd4_release_respages(e->ce_respages, e->ce_resused); nfsd4_release_respages(e->ce_respages, e->ce_resused);
} }
spin_lock(&nfsd_drc_lock);
nfsd_drc_pages_used -= ses->se_fchannel.maxreqs * NFSD_PAGES_PER_SLOT;
spin_unlock(&nfsd_drc_lock);
kfree(ses); kfree(ses);
} }