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From: Benny Halevy <bhalevy@panasas.com>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH 3/6] SQUASHME: remove wait parameter from the layoutreturn path.
Date: Fri, 22 Apr 2011 11:31:45 +0300	[thread overview]
Message-ID: <4DB13CF1.8070300@panasas.com> (raw)
In-Reply-To: <1303459491-16357-1-git-send-email-bhalevy@panasas.com>

On 2011-04-22 11:04, Benny Halevy wrote:
> all call sites are sync now
> squash into "pnfs: layoutreturn"
> 
> Signed-off-by: Benny Halevy <bhalevy@panasas.com>
> ---
>  fs/nfs/nfs4proc.c |   11 ++++-------
>  fs/nfs/pnfs.c     |   10 +++++-----
>  fs/nfs/pnfs.h     |   12 +++++-------
>  3 files changed, 14 insertions(+), 19 deletions(-)
> 
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index 3e1843d..4f637e9 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -2333,7 +2333,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
>  	int status;
>  
>  	if (pnfs_ld_layoutret_on_setattr(inode))
> -		pnfs_return_layout(inode, NULL, true);
> +		pnfs_return_layout(inode, NULL);
>  
>  	nfs_fattr_init(fattr);
>  	
> @@ -5739,7 +5739,7 @@ static const struct rpc_call_ops nfs4_layoutreturn_call_ops = {
>  	.rpc_release = nfs4_layoutreturn_release,
>  };
>  
> -int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool issync)
> +int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp)
>  {
>  	struct rpc_task *task;
>  	struct rpc_message msg = {
> @@ -5752,22 +5752,19 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool issync)
>  		.rpc_message = &msg,
>  		.callback_ops = &nfs4_layoutreturn_call_ops,
>  		.callback_data = lrp,
> -		.flags = RPC_TASK_ASYNC,
>  	};
> -	int status = 0;
> +	int status;
>  
>  	dprintk("--> %s\n", __func__);
>  	task = rpc_run_task(&task_setup_data);
>  	if (IS_ERR(task))
>  		return PTR_ERR(task);
> -	if (!issync)
> -		goto out;
>  	status = nfs4_wait_for_completion_rpc_task(task);

sorry, no need to wait if the task isn't ASYNC.

Benny

>  	if (status != 0)
>  		goto out;
>  	status = task->tk_status;
>  out:
> -	dprintk("<-- %s\n", __func__);
> +	dprintk("<-- %s status=%d\n", __func__, status);
>  	rpc_put_task(task);
>  	return status;
>  }
> diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
> index bacde63..1ec5bb8 100644
> --- a/fs/nfs/pnfs.c
> +++ b/fs/nfs/pnfs.c
> @@ -667,7 +667,7 @@ out_err_free:
>  }
>  
>  static int
> -return_layout(struct inode *ino, struct pnfs_layout_range *range, bool wait)
> +return_layout(struct inode *ino, struct pnfs_layout_range *range)
>  {
>  	struct nfs4_layoutreturn *lrp;
>  	struct nfs_server *server = NFS_SERVER(ino);
> @@ -687,7 +687,7 @@ return_layout(struct inode *ino, struct pnfs_layout_range *range, bool wait)
>  	lrp->args.inode = ino;
>  	lrp->clp = server->nfs_client;
>  
> -	status = nfs4_proc_layoutreturn(lrp, wait);
> +	status = nfs4_proc_layoutreturn(lrp);
>  out:
>  	dprintk("<-- %s status: %d\n", __func__, status);
>  	return status;
> @@ -695,7 +695,7 @@ out:
>  
>  /* Initiates a LAYOUTRETURN(FILE) */
>  int
> -_pnfs_return_layout(struct inode *ino, struct pnfs_layout_range *range, bool wait)
> +_pnfs_return_layout(struct inode *ino, struct pnfs_layout_range *range)
>  {
>  	struct pnfs_layout_hdr *lo = NULL;
>  	struct nfs_inode *nfsi = NFS_I(ino);
> @@ -722,11 +722,11 @@ _pnfs_return_layout(struct inode *ino, struct pnfs_layout_range *range, bool wai
>  	pnfs_free_lseg_list(&tmp_list);
>  
>  	/* Return layout even if layoutcommit fails */
> -	status = pnfs_layoutcommit_inode(ino, wait);
> +	status = pnfs_layoutcommit_inode(ino, true);
>  	if (status)
>  		dprintk("%s: layoutcommit failed, status=%d. Returning layout anyway\n",
>  			__func__, status);
> -	status = return_layout(ino, &arg, wait);
> +	status = return_layout(ino, &arg);
>  out:
>  	dprintk("<-- %s status: %d\n", __func__, status);
>  	return status;
> diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
> index b0f9b79..b5d1d22 100644
> --- a/fs/nfs/pnfs.h
> +++ b/fs/nfs/pnfs.h
> @@ -164,7 +164,7 @@ extern int nfs4_proc_getdevicelist(struct nfs_server *server,
>  extern int nfs4_proc_getdeviceinfo(struct nfs_server *server,
>  				   struct pnfs_device *dev);
>  extern int nfs4_proc_layoutget(struct nfs4_layoutget *lgp);
> -extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool wait);
> +extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp);
>  
>  /* pnfs.c */
>  void get_layout_hdr(struct pnfs_layout_hdr *lo);
> @@ -202,7 +202,7 @@ void pnfs_roc_set_barrier(struct inode *ino, u32 barrier);
>  bool pnfs_roc_drain(struct inode *ino, u32 *barrier);
>  void pnfs_set_layoutcommit(struct nfs_write_data *wdata);
>  int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
> -int _pnfs_return_layout(struct inode *, struct pnfs_layout_range *, bool wait);
> +int _pnfs_return_layout(struct inode *, struct pnfs_layout_range *);
>  int pnfs_write_done(struct nfs_write_data *);
>  int pnfs_read_done(struct nfs_read_data *);
>  
> @@ -284,14 +284,13 @@ pnfs_ld_layoutret_on_setattr(struct inode *inode)
>  }
>  
>  static inline int pnfs_return_layout(struct inode *ino,
> -				     struct pnfs_layout_range *range,
> -				     bool wait)
> +				     struct pnfs_layout_range *range)
>  {
>  	struct nfs_inode *nfsi = NFS_I(ino);
>  	struct nfs_server *nfss = NFS_SERVER(ino);
>  
>  	if (pnfs_enabled_sb(nfss) && nfsi->layout)
> -		return _pnfs_return_layout(ino, range, wait);
> +		return _pnfs_return_layout(ino, range);
>  
>  	return 0;
>  }
> @@ -338,8 +337,7 @@ pnfs_try_to_write_data(struct nfs_write_data *data,
>  }
>  
>  static inline int pnfs_return_layout(struct inode *ino,
> -				     struct pnfs_layout_range *range,
> -				     bool wait)
> +				     struct pnfs_layout_range *range)
>  {
>  	return 0;
>  }


  reply	other threads:[~2011-04-22  8:31 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-20 16:46 [RFC 0/27] pnfs-submit for 2.6.40 Benny Halevy
2011-04-20 17:26 ` [RFC 01/27] pnfs: CB_NOTIFY_DEVICEID Benny Halevy
2011-04-20 19:41   ` Trond Myklebust
2011-04-22  6:22     ` Benny Halevy
2011-04-20 17:26 ` [RFC 02/27] pnfs: direct i/o Benny Halevy
2011-04-20 17:26 ` [RFC 03/27] pnfs: layoutreturn Benny Halevy
2011-04-20 19:53   ` Trond Myklebust
2011-04-22  6:52     ` Benny Halevy
2011-04-22  8:04       ` [PATCH 1/6] SQUASHME: call pnfs_return_layout right before pnfs_destroy_layout Benny Halevy
2011-04-22  8:04       ` [PATCH 2/6] SQUASHME: remove assert_spin_locked from pnfs_clear_lseg_list Benny Halevy
2011-04-22  8:04       ` [PATCH 3/6] SQUASHME: remove wait parameter from the layoutreturn path Benny Halevy
2011-04-22  8:31         ` Benny Halevy [this message]
2011-04-22  8:05       ` [PATCH 4/6] SQUASHME: remove return_type field from nfs4_layoutreturn_args Benny Halevy
2011-04-22  8:05       ` [PATCH 5/6] SQUASHME: remove range " Benny Halevy
2011-04-22  8:05       ` [PATCH 6/6] SQUASHME: no need to send layoutcommit from _pnfs_return_layout Benny Halevy
2011-04-20 17:26 ` [RFC 04/27] pnfs: layoutret_on_setattr Benny Halevy
2011-04-20 20:03   ` Trond Myklebust
2011-04-22  8:23     ` Benny Halevy
2011-04-20 17:26 ` [RFC 05/27] pnfs: Use byte-range layout segments Benny Halevy
2011-04-20 17:26 ` [RFC 06/27] pnfs: encode_layoutreturn Benny Halevy
2011-04-20 20:16   ` Trond Myklebust
2011-04-22  8:26     ` Benny Halevy
2011-04-20 17:27 ` [RFC 07/27] pnfs: encode_layoutcommit Benny Halevy
2011-04-20 20:18   ` Trond Myklebust
2011-04-22  8:48     ` Benny Halevy
2011-04-20 17:27 ` [RFC 08/27] pnfs: {setup,cleanup}_layoutcommit Benny Halevy
2011-04-20 20:22   ` Trond Myklebust
2011-04-20 17:27 ` [RFC 09/27] pnfs: support for non-rpc layout drivers Benny Halevy
2011-04-20 20:34   ` Trond Myklebust
2011-04-22  9:03     ` Benny Halevy
2011-04-20 17:27 ` [RFC 10/27] pnfs: {,un}set_layoutdriver methods Benny Halevy
2011-04-20 17:27 ` [RFC 11/27] pnfs: per mount layout driver private data Benny Halevy
2011-04-20 20:36   ` Trond Myklebust
2011-04-22  9:05     ` Benny Halevy
2011-04-20 17:27 ` [RFC 12/27] pnfs: alloc and free layout_hdr layoutdriver methods Benny Halevy
2011-04-20 20:43   ` Trond Myklebust
2011-04-22  9:09     ` Benny Halevy
2011-04-20 17:27 ` [RFC 13/27] pnfs: client stats Benny Halevy
2011-04-20 17:28 ` [RFC 14/27] pnfsd: introduce exp_xdr.h Benny Halevy
2011-04-20 17:28 ` [RFC 15/27] pnfs-obj: pnfs_osd XDR definitions Benny Halevy
2011-04-20 20:49   ` Trond Myklebust
2011-04-22  9:11     ` Benny Halevy
2011-04-20 17:28 ` [RFC 16/27] pnfs-obj: pnfs_osd XDR client implementations Benny Halevy
2011-04-20 17:28 ` [RFC 17/27] exofs: pnfs-tree: Remove pnfs-osd private definitions Benny Halevy
2011-04-20 17:28 ` [RFC 18/27] pnfs-obj: Define PNFS_OBJLAYOUT Kconfig option Benny Halevy
2011-04-20 17:28 ` [RFC 19/27] pnfs-obj: objlayout driver skeleton Benny Halevy
2011-04-20 17:28 ` [RFC 20/27] pnfs-obj: objio_osd device information retrieval and caching Benny Halevy
2011-04-20 17:28 ` [RFC 21/27] pnfs-obj: objio_osd real IO implementation Benny Halevy
2011-04-20 17:29 ` [RFC 22/27] sunrpc: New xdr_rewind_stream() Benny Halevy
2011-04-20 17:29 ` [RFC 23/27] pnfs-obj: objlayout_encode_layoutreturn Implementation Benny Halevy
2011-04-20 17:29 ` [RFC 24/27] pnfs-obj: objio_osd report osd_errors for layoutreturn Benny Halevy
2011-04-20 17:29 ` [RFC 25/27] pnfs-obj: objlayout_encode_layoutcommit implementation Benny Halevy
2011-04-20 17:29 ` [RFC 26/27] pnfs-obj: objio_osd: RAID0 support Benny Halevy
2011-04-20 17:29 ` [RFC 27/27] pnfs-obj: objio_osd: groups support Benny Halevy

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