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Commit 30626f9c authored by Peng Tao's avatar Peng Tao Committed by Tom Haynes
Browse files

nfs41: allow LD to choose DS connection version/minor_version 



flexfile layout may need to set such when making DS connections.

Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
Signed-off-by: default avatarTom Haynes <Thomas.Haynes@primarydata.com>
parent 1a04c6e1

fs/nfs/filelayout/filelayoutdev.c

+2 −1
Original line number Diff line number Diff line
@@ -278,7 +278,8 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx) 
		goto out_test_devid;



	nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo,

			     dataserver_retrans,

			     dataserver_retrans, 4,

			     s->nfs_client->cl_minorversion,

			     s->nfs_client->cl_rpcclient->cl_auth->au_flavor);



out_test_devid:

fs/nfs/internal.h

+1 −0
Original line number Diff line number Diff line
@@ -190,6 +190,7 @@ extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp, 
					     int ds_addrlen, int ds_proto,

					     unsigned int ds_timeo,

					     unsigned int ds_retrans,

					     u32 minor_version,

					     rpc_authflavor_t au_flavor);

extern struct rpc_clnt *nfs4_find_or_create_ds_client(struct nfs_client *,

						struct inode *);

fs/nfs/nfs4client.c

+2 −2
Original line number Diff line number Diff line
@@ -850,14 +850,14 @@ static int nfs4_set_client(struct nfs_server *server, 
struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,

		const struct sockaddr *ds_addr, int ds_addrlen,

		int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans,

		rpc_authflavor_t au_flavor)

		u32 minor_version, rpc_authflavor_t au_flavor)

{

	struct nfs_client_initdata cl_init = {

		.addr = ds_addr,

		.addrlen = ds_addrlen,

		.nfs_mod = &nfs_v4,

		.proto = ds_proto,

		.minorversion = mds_clp->cl_minorversion,

		.minorversion = minor_version,

		.net = mds_clp->cl_net,

	};

	struct rpc_timeout ds_timeout;

fs/nfs/pnfs.h

+2 −1
Original line number Diff line number Diff line
@@ -325,7 +325,8 @@ struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs, 
				      gfp_t gfp_flags);

void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,

			  struct nfs4_deviceid_node *devid, unsigned int timeo,

			  unsigned int retrans, rpc_authflavor_t au_flavor);

			  unsigned int retrans, u32 versoin, u32 minor_version,

			  rpc_authflavor_t au_flavor);

struct nfs4_pnfs_ds_addr *nfs4_decode_mp_ds_addr(struct net *net,

						 struct xdr_stream *xdr,

						 gfp_t gfp_flags);

fs/nfs/pnfs_nfs.c

+7 −4
Original line number Diff line number Diff line
@@ -554,6 +554,7 @@ static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, 
				 struct nfs4_pnfs_ds *ds,

				 unsigned int timeo,

				 unsigned int retrans,

				 u32 minor_version,

				 rpc_authflavor_t au_flavor)

{

	struct nfs_client *clp = ERR_PTR(-EIO);
@@ -570,7 +571,8 @@ static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, 
		clp = nfs4_set_ds_client(mds_srv->nfs_client,

					(struct sockaddr *)&da->da_addr,

					da->da_addrlen, IPPROTO_TCP,

					timeo, retrans, au_flavor);

					timeo, retrans, minor_version,

					au_flavor);

		if (!IS_ERR(clp))

			break;

	}
@@ -601,13 +603,14 @@ static int _nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, 
 */

void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds,

			  struct nfs4_deviceid_node *devid, unsigned int timeo,

			  unsigned int retrans, rpc_authflavor_t au_flavor)

			  unsigned int retrans, u32 version,

			  u32 minor_version, rpc_authflavor_t au_flavor)

{

	if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {

		int err = 0;



		err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo,

					    retrans, au_flavor);

		err = _nfs4_pnfs_ds_connect(mds_srv, ds, timeo, retrans,

					    minor_version, au_flavor);

		if (err)

			nfs4_mark_deviceid_unavailable(devid);

		nfs4_clear_ds_conn_bit(ds);