| Re: [PATCH v2] NFSd: simplify locking in nfsd_recall_delegations() [message #47191 is a reply to message #47063] |
Wed, 18 July 2012 23:27  |
bfields
Messages: 107
Registered: September 2007
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Senior Member |
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On Tue, Jul 03, 2012 at 05:02:24PM +0400, Stanislav Kinsbursky wrote:
> v2: rebased on 3.5-rc3 kernel
>
> Holding of client_mutex looks redundant here - recall_lock looks enough.
Yep, thanks.--b.
>
> Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
> ---
> fs/nfsd/nfs4state.c | 2 --
> 1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 33eccee..480ecc9 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -4622,7 +4622,6 @@ void nfsd_recall_delegations(u64 num)
> LIST_HEAD(victims);
> struct nfs4_delegation *dp, *dnext;
>
> - nfs4_lock_state();
> spin_lock(&recall_lock);
> count = nfsd_process_n_delegations(num, &victims);
> list_for_each_entry_safe(dp, dnext, &victims, dl_recall_lru) {
> @@ -4630,7 +4629,6 @@ void nfsd_recall_delegations(u64 num)
> nfsd_break_one_deleg(dp);
> }
> spin_unlock(&recall_lock);
> - nfs4_unlock_state();
>
> printk(KERN_INFO "NFSD: Recalled %d delegations", count);
> }
>
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