| Re: [PATCH v3 1/4] SUNRPC: release per-net clients lock before calling PipeFS dentries creation [message #45356 is a reply to message #45352] |
Mon, 27 February 2012 18:07   |
Stanislav Kinsbursky
Messages: 683
Registered: October 2011
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Senior Member |
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27.02.2012 22:05, Stanislav Kinsbursky пишет:
> v3:
> 1) Lookup for client is performed from the beginning of the list on each PipeFS
> event handling operation.
>
> Lockdep is sad otherwise, because inode mutex is taken on PipeFS dentry
> creation, which can be called on mount notification, where this per-net client
> lock is taken on clients list walk.
>
> Signed-off-by: Stanislav Kinsbursky<skinsbursky@parallels.com>
>
> ---
> net/sunrpc/clnt.c | 26 +++++++++++++++++++++-----
> 1 files changed, 21 insertions(+), 5 deletions(-)
>
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index bb7ed2f3..48f3d15 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -50,7 +50,7 @@
> __func__, t->tk_status)
>
> /*
> - * All RPC clients are linked into this list
> + * All RPC clients are linked into this list Client Cto hand;le ustatus is checke
> */
>
> static DECLARE_WAIT_QUEUE_HEAD(destroy_wait);
Sorry for this hunk.
--
Best regards,
Stanislav Kinsbursky
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