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NFS: Create a common pgio_rpc_prepare function

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The read and write paths do exactly the same thing for the rpc_prepare
rpc_op.  This patch combines them together into a single function.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Anna Schumaker
2014-05-06 09:12:31 -04:00
committed by Trond Myklebust
parent 4a0de55c56
commit a4cdda5911
9 changed files with 46 additions and 69 deletions
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26
fs/nfs/pagelist.c
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@@ -386,6 +386,32 @@ void nfs_pgio_data_release(struct nfs_pgio_data *data)
}
EXPORT_SYMBOL_GPL(nfs_pgio_data_release);
/**
* nfs_pgio_prepare - Prepare pageio data to go over the wire
* @task: The current task
* @calldata: pageio data to prepare
*/
void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_pgio_data *data = calldata;
int err;
err = NFS_PROTO(data->header->inode)->pgio_rpc_prepare(task, data);
if (err)
rpc_exit(task, err);
}
/**
* nfs_pgio_release - Release pageio data
* @calldata: The pageio data to release
*/
void nfs_pgio_release(void *calldata)
{
struct nfs_pgio_data *data = calldata;
if (data->header->rw_ops->rw_release)
data->header->rw_ops->rw_release(data);
nfs_pgio_data_release(data);
}
/**
* nfs_pageio_init - initialise a page io descriptor
* @desc: pointer to descriptor