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authorAndy Adamson <andros@netapp.com>2012-04-27 17:53:44 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-19 17:54:19 -0400
commit9f0ec176b3071e0472582c07ae1e68055b28184d (patch)
treea767381b136e8ac9f7839917b477fd7cd8cf9dc3 /fs/nfs/write.c
parent90fecfcb3437dfc9bec4ee3306584dcd6843701b (diff)
NFSv4.1 set RPC_TASK_SOFTCONN for filelayout DS RPC calls
RPC_TASK_SOFTCONN returns connection errors to the caller which allows the pNFS file layout to quickly try the MDS or perhaps another DS. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 8ffd7d5ed58..e6fe3d69d14 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -916,7 +916,7 @@ static int flush_task_priority(int how)
int nfs_initiate_write(struct rpc_clnt *clnt,
struct nfs_write_data *data,
const struct rpc_call_ops *call_ops,
- int how)
+ int how, int flags)
{
struct inode *inode = data->header->inode;
int priority = flush_task_priority(how);
@@ -933,7 +933,7 @@ int nfs_initiate_write(struct rpc_clnt *clnt,
.callback_ops = call_ops,
.callback_data = data,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | flags,
.priority = priority,
};
int ret = 0;
@@ -1009,7 +1009,7 @@ static int nfs_do_write(struct nfs_write_data *data,
{
struct inode *inode = data->header->inode;
- return nfs_initiate_write(NFS_CLIENT(inode), data, call_ops, how);
+ return nfs_initiate_write(NFS_CLIENT(inode), data, call_ops, how, 0);
}
static int nfs_do_multiple_writes(struct list_head *head,
@@ -1394,7 +1394,7 @@ EXPORT_SYMBOL_GPL(nfs_commitdata_release);
int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
const struct rpc_call_ops *call_ops,
- int how)
+ int how, int flags)
{
struct rpc_task *task;
int priority = flush_task_priority(how);
@@ -1410,7 +1410,7 @@ int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
.callback_ops = call_ops,
.callback_data = data,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC,
+ .flags = RPC_TASK_ASYNC | flags,
.priority = priority,
};
/* Set up the initial task struct. */
@@ -1499,7 +1499,8 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how,
/* Set up the argument struct */
nfs_init_commit(data, head, NULL, cinfo);
atomic_inc(&cinfo->mds->rpcs_out);
- return nfs_initiate_commit(NFS_CLIENT(inode), data, data->mds_ops, how);
+ return nfs_initiate_commit(NFS_CLIENT(inode), data, data->mds_ops,
+ how, 0);
out_bad:
nfs_retry_commit(head, NULL, cinfo);
cinfo->completion_ops->error_cleanup(NFS_I(inode));