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OpenCloudOS-Kernel
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nfs41: allow LD to choose DS connection version/minor_version 

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

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
This commit is contained in:
Peng Tao 2014-05-30 18:15:58 +08:00 committed by Tom Haynes
parent 1a04c6e1a2
commit 30626f9c32
5 changed files with 14 additions and 8 deletions
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3
fs/nfs/filelayout/filelayoutdev.c
View File

@ -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:

1
fs/nfs/internal.h
View File

@ -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 *);

4
fs/nfs/nfs4client.c
View File

@ -850,14 +850,14 @@ error:
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;

3
fs/nfs/pnfs.h
View File

@ -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);

11
fs/nfs/pnfs_nfs.c
View File

@ -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 @@ out_put:
*/
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);