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NFSv4.1 set RPC_TASK_SOFTCONN for filelayout DS RPC calls

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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>
This commit is contained in:
Andy Adamson
2012-04-27 17:53:44 -04:00
committed by Trond Myklebust
parent 90fecfcb34
commit 9f0ec176b3
4 changed files with 19 additions and 16 deletions
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6
fs/nfs/read.c
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@@ -206,7 +206,7 @@ out:
int nfs_initiate_read(struct rpc_clnt *clnt,
struct nfs_read_data *data,
const struct rpc_call_ops *call_ops)
const struct rpc_call_ops *call_ops, int flags)
{
struct inode *inode = data->header->inode;
int swap_flags = IS_SWAPFILE(inode) ? NFS_RPC_SWAPFLAGS : 0;
@@ -223,7 +223,7 @@ int nfs_initiate_read(struct rpc_clnt *clnt,
.callback_ops = call_ops,
.callback_data = data,
.workqueue = nfsiod_workqueue,
.flags = RPC_TASK_ASYNC | swap_flags,
.flags = RPC_TASK_ASYNC | swap_flags | flags,
};
/* Set up the initial task struct. */
@@ -272,7 +272,7 @@ static int nfs_do_read(struct nfs_read_data *data,
{
struct inode *inode = data->header->inode;
return nfs_initiate_read(NFS_CLIENT(inode), data, call_ops);
return nfs_initiate_read(NFS_CLIENT(inode), data, call_ops, 0);
}
static int