diff options
| author | Benny Halevy <bhalevy@panasas.com> | 2009-04-01 09:22:55 -0400 |
|---|---|---|
| committer | Benny Halevy <bhalevy@panasas.com> | 2009-06-17 12:43:47 -0700 |
| commit | 9bdaa86d2a4cbf9a71de3048c0c0a874e7ebc8ad (patch) | |
| tree | d12e23a15e86b929e3840116741696765000a6b4 /fs/nfs | |
| parent | f4a2e418bfd03a1f25f515e8a92ecd584d96cfc1 (diff) | |
nfs41: Refactor nfs4_{init,destroy}_callback for nfs4.0
Refactor-out code to bring the callback service up and down.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/client.c | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 3e232bf56dfb..d9657d455730 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -47,6 +47,9 @@ #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); @@ -121,11 +124,8 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_ clp->rpc_ops = cl_init->rpc_ops; - if (cl_init->rpc_ops->version == 4) { - if (nfs_callback_up() < 0) - goto error_2; - __set_bit(NFS_CS_CALLBACK, &clp->cl_res_state); - } + if (nfs4_init_callback(clp) < 0) + goto error_2; atomic_set(&clp->cl_count, 1); clp->cl_cons_state = NFS_CS_INITING; @@ -162,8 +162,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_ return clp; error_3: - if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) - nfs_callback_down(); + nfs4_destroy_callback(clp); error_2: kfree(clp); error_0: @@ -184,6 +183,17 @@ static void nfs4_shutdown_client(struct nfs_client *clp) } /* + * Destroy the NFS4 callback service + */ +static void nfs4_destroy_callback(struct nfs_client *clp) +{ +#ifdef CONFIG_NFS_V4 + if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) + nfs_callback_down(); +#endif /* CONFIG_NFS_V4 */ +} + +/* * Clears/puts all minor version specific parts from an nfs_client struct * reverting it to minorversion 0. */ @@ -215,8 +225,7 @@ static void nfs_free_client(struct nfs_client *clp) if (!IS_ERR(clp->cl_rpcclient)) rpc_shutdown_client(clp->cl_rpcclient); - if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state)) - nfs_callback_down(); + nfs4_destroy_callback(clp); if (clp->cl_machine_cred != NULL) put_rpccred(clp->cl_machine_cred); @@ -1088,6 +1097,25 @@ error: #ifdef CONFIG_NFS_V4 /* + * Initialize the NFS4 callback service + */ +static int nfs4_init_callback(struct nfs_client *clp) +{ + int error; + + if (clp->rpc_ops->version == 4) { + error = nfs_callback_up(); + if (error < 0) { + dprintk("%s: failed to start callback. Error = %d\n", + __func__, error); + return error; + } + __set_bit(NFS_CS_CALLBACK, &clp->cl_res_state); + } + return 0; +} + +/* * Initialize the minor version specific parts of an NFS4 client record */ static int nfs4_init_client_minor_version(struct nfs_client *clp) |