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nfs41: minorversion support for nfs4_{init,destroy}_callback

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move nfs4_init_callback into nfs4_init_client_minor_version
and nfs4_destroy_callback into nfs4_clear_client_minor_version

as these need to happen also when auto-negotiating the minorversion
once the callback service for nfs41 becomes different than for nfs4.0

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: Fix checkpatch warning]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[Type check arguments of nfs_callback_up]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: Backchannel: Remove FIXME comment]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy
2009-04-01 09:22:56 -04:00
parent 9bdaa86d2a
commit 7146851376
3 changed files with 54 additions and 34 deletions
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21
fs/nfs/client.c
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@@ -47,9 +47,6 @@
#include "internal.h"
#include "fscache.h"
static int nfs4_init_callback(struct nfs_client *);
static void nfs4_destroy_callback(struct nfs_client *);
#define NFSDBG_FACILITY NFSDBG_CLIENT
static DEFINE_SPINLOCK(nfs_client_lock);
@@ -124,9 +121,6 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
clp->rpc_ops = cl_init->rpc_ops;
if (nfs4_init_callback(clp) < 0)
goto error_2;
atomic_set(&clp->cl_count, 1);
clp->cl_cons_state = NFS_CS_INITING;
@@ -136,7 +130,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
if (cl_init->hostname) {
clp->cl_hostname = kstrdup(cl_init->hostname, GFP_KERNEL);
if (!clp->cl_hostname)
goto error_3;
goto error_cleanup;
}
INIT_LIST_HEAD(&clp->cl_superblocks);
@@ -161,9 +155,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
return clp;
error_3:
nfs4_destroy_callback(clp);
error_2:
error_cleanup:
kfree(clp);
error_0:
return NULL;
@@ -207,6 +199,8 @@ static void nfs4_clear_client_minor_version(struct nfs_client *clp)
clp->cl_call_sync = _nfs4_call_sync;
#endif /* CONFIG_NFS_V4_1 */
nfs4_destroy_callback(clp);
}
/*
@@ -225,8 +219,6 @@ static void nfs_free_client(struct nfs_client *clp)
if (!IS_ERR(clp->cl_rpcclient))
rpc_shutdown_client(clp->cl_rpcclient);
nfs4_destroy_callback(clp);
if (clp->cl_machine_cred != NULL)
put_rpccred(clp->cl_machine_cred);
@@ -1104,7 +1096,8 @@ static int nfs4_init_callback(struct nfs_client *clp)
int error;
if (clp->rpc_ops->version == 4) {
error = nfs_callback_up();
error = nfs_callback_up(clp->cl_minorversion,
clp->cl_rpcclient->cl_xprt);
if (error < 0) {
dprintk("%s: failed to start callback. Error = %d\n",
__func__, error);
@@ -1139,7 +1132,7 @@ static int nfs4_init_client_minor_version(struct nfs_client *clp)
}
#endif /* CONFIG_NFS_V4_1 */
return 0;
return nfs4_init_callback(clp);
}
/*