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

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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>

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This commit is contained in:

Trond Myklebust 2007-12-11 22:01:56 -05:00

parent 4584f520e1

commit 5cef338b30

1 changed files with 3 additions and 3 deletions

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fs/nfs/client.c

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