From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 12 Dec 2007 03:01:56 +0000 (-0500)
Subject: NFSv2/v3: Fix a memory leak when using -onolock
X-Git-Tag: v2.6.24-rc6~56^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cef338b30c110daf547fb13d99f0c77f2a79fbc;p=pandora-kernel.git

NFSv2/v3: Fix a memory leak when using -onolock

Neil Brown said:
> Hi Trond,
>
> We found that a machine which made moderately heavy use of
> 'automount' was leaking some nfs data structures - particularly the
> 4K allocated by rpc_alloc_iostats.
> It turns out that this only happens with filesystems with -onolock
> set.

> The problem is that if NFS_MOUNT_NONLM is set, nfs_start_lockd doesn't
> set server->destroy, so when the filesystem is unmounted, the
> ->client_acl is not shutdown, and so several resources are still
> held.  Multiple mount/umount cycles will slowly eat away memory
> several pages at a time.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: NeilBrown <neilb@suse.de>
---

Reading git-diff-tree failed