Re: [PATCH 2/2] NFSv4.1 convert layoutcommit sync to boolean

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On 2011-03-24 21:50, peter.staubach@xxxxxxx wrote:

> In nfs4_proc_layoutcommit(), I think that it read better as "if (!sync)".  Wasn't that part of the whole point of switching to boolean instead of just an int?  :-)

==

Otherwise, my ACK :)

Benny

> 	Thanx...
>
> 		ps
>
>
> -----Original Message-----
> From: linux-nfs-owner@xxxxxxxxxxxxxxx [mailto:linux-nfs-owner@xxxxxxxxxxxxxxx] On Behalf Of andros@xxxxxxxxxx
> Sent: Saturday, March 12, 2011 2:58 AM
> To: trond.myklebust@xxxxxxxxxx
> Cc: linux-nfs@xxxxxxxxxxxxxxx; Andy Adamson
> Subject: [PATCH 2/2] NFSv4.1 convert layoutcommit sync to boolean
>
> From: Andy Adamson <andros@xxxxxxxxxx>
>
> Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
> ---
>  fs/nfs/file.c     |    2 +-
>  fs/nfs/nfs4_fs.h  |    2 +-
>  fs/nfs/nfs4proc.c |    4 ++--
>  fs/nfs/pnfs.c     |    2 +-
>  fs/nfs/pnfs.h     |    4 ++--
>  fs/nfs/write.c    |    8 +++++---
>  6 files changed, 12 insertions(+), 10 deletions(-)
>
> diff --git a/fs/nfs/file.c b/fs/nfs/file.c
> index 85cb95d..3ac5bd6 100644
> --- a/fs/nfs/file.c
> +++ b/fs/nfs/file.c
> @@ -328,7 +328,7 @@ nfs_file_fsync(struct file *file, int datasync)
>  		ret = status;
>  	if (!ret && !datasync)
>  		/* application has asked for meta-data sync */
> -		ret = pnfs_layoutcommit_inode(inode, 1);
> +		ret = pnfs_layoutcommit_inode(inode, true);
>  	return ret;
>  }
>  
> diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
> index 1e612d1..4414fd7 100644
> --- a/fs/nfs/nfs4_fs.h
> +++ b/fs/nfs/nfs4_fs.h
> @@ -263,7 +263,7 @@ extern int nfs4_init_session(struct nfs_server *server);
>  extern int nfs4_proc_get_lease_time(struct nfs_client *clp,
>  		struct nfs_fsinfo *fsinfo);
>  extern int nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data,
> -				  int sync);
> +				  bool sync);
>  
>  static inline bool
>  is_ds_only_client(struct nfs_client *clp)
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index 6f2f402..43045fa 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -5671,7 +5671,7 @@ static const struct rpc_call_ops nfs4_layoutcommit_ops = {
>  };
>  
>  int
> -nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, int sync)
> +nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, bool sync)
>  {
>  	struct rpc_message msg = {
>  		.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_LAYOUTCOMMIT],
> @@ -5699,7 +5699,7 @@ nfs4_proc_layoutcommit(struct nfs4_layoutcommit_data *data, int sync)
>  	task = rpc_run_task(&task_setup_data);
>  	if (IS_ERR(task))
>  		return PTR_ERR(task);
> -	if (!sync)
> +	if (sync == false)
>  		goto out;
>  	status = nfs4_wait_for_completion_rpc_task(task);
>  	if (status != 0)
> diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
> index ac71125..22c2ddb 100644
> --- a/fs/nfs/pnfs.c
> +++ b/fs/nfs/pnfs.c
> @@ -991,7 +991,7 @@ EXPORT_SYMBOL_GPL(pnfs_set_layoutcommit);
>   * if WRITEs to a data server return NFS_DATA_SYNC.
>   */
>  int
> -pnfs_layoutcommit_inode(struct inode *inode, int sync)
> +pnfs_layoutcommit_inode(struct inode *inode, bool sync)
>  {
>  	struct nfs4_layoutcommit_data *data;
>  	struct nfs_inode *nfsi = NFS_I(inode);
> diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
> index 0806c77..33b9ae9 100644
> --- a/fs/nfs/pnfs.h
> +++ b/fs/nfs/pnfs.h
> @@ -155,7 +155,7 @@ void pnfs_roc_release(struct inode *ino);
>  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, int sync);
> +int pnfs_layoutcommit_inode(struct inode *inode, bool sync);
>  
>  static inline int lo_fail_bit(u32 iomode)
>  {
> @@ -328,7 +328,7 @@ static inline void pnfs_clear_request_commit(struct nfs_page *req)
>  {
>  }
>  
> -static inline int pnfs_layoutcommit_inode(struct inode *inode, int sync)
> +static inline int pnfs_layoutcommit_inode(struct inode *inode, bool sync)
>  {
>  	return 0;
>  }
> diff --git a/fs/nfs/write.c b/fs/nfs/write.c
> index a03c11f..85d7525 100644
> --- a/fs/nfs/write.c
> +++ b/fs/nfs/write.c
> @@ -1566,10 +1566,12 @@ int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
>  
>  	ret = nfs_commit_unstable_pages(inode, wbc);
>  	if (ret >= 0 && test_bit(NFS_INO_LAYOUTCOMMIT, &NFS_I(inode)->flags)) {
> -		int status, sync = wbc->sync_mode;
> +		int status;
> +		bool sync = true;
>  
> -		if (wbc->nonblocking || wbc->for_background)
> -				sync = 0;
> +		if (wbc->sync_mode == WB_SYNC_NONE || wbc->nonblocking ||
> +		    wbc->for_background)
> +			sync = false;
>  
>  		status = pnfs_layoutcommit_inode(inode, sync);
>  		if (status < 0)

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