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| author | Andy Adamson <andros@netapp.com> | 2011-03-01 01:34:11 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-11 15:38:41 -0500 |
| commit | d6fb79d433d0a34c36bdf74eaf90857193a6261f (patch) | |
| tree | bf7686b2bd65d598ef1a4e5ceaebb0432302a726 | |
| parent | d3b4c9d76738df49a7db7682c2518a0ef9f7391d (diff) | |
| download | kernel_samsung_smdk4412-d6fb79d433d0a34c36bdf74eaf90857193a6261f.zip kernel_samsung_smdk4412-d6fb79d433d0a34c36bdf74eaf90857193a6261f.tar.gz kernel_samsung_smdk4412-d6fb79d433d0a34c36bdf74eaf90857193a6261f.tar.bz2 | |
NFSv4.1: new flag for lease time check
Data servers cannot send nfs4_proc_get_lease_time. but still need to setup
state renewal. Add the NFS_CS_CHECK_LEASE_TIME bit to indicate if the lease
time can be checked.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/client.c | 9 | ||||
| -rw-r--r-- | fs/nfs/nfs4state.c | 5 | ||||
| -rw-r--r-- | include/linux/nfs_fs_sb.h | 1 |
3 files changed, 15 insertions, 0 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index a86698c..280d41f6 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1400,6 +1400,15 @@ static int nfs4_set_client(struct nfs_server *server, goto error; } + /* + * Query for the lease time on clientid setup or renewal + * + * Note that this will be set on nfs_clients that were created + * only for the DS role and did not set this bit, but now will + * serve a dual role. + */ + set_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state); + server->nfs_client = clp; dprintk("<-- nfs4_set_client() = 0 [new %p]\n", clp); return 0; diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 0592288..69c8363 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -153,6 +153,11 @@ static int nfs41_setup_state_renewal(struct nfs_client *clp) int status; struct nfs_fsinfo fsinfo; + if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) { + nfs4_schedule_state_renewal(clp); + return 0; + } + status = nfs4_proc_get_lease_time(clp, &fsinfo); if (status == 0) { /* Update lease time and schedule renewal */ diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 0bac417..c00d4ec 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -31,6 +31,7 @@ struct nfs_client { #define NFS_CS_IDMAP 2 /* - idmap started */ #define NFS_CS_RENEWD 3 /* - renewd started */ #define NFS_CS_STOP_RENEW 4 /* no more state to renew */ +#define NFS_CS_CHECK_LEASE_TIME 5 /* need to check lease time */ struct sockaddr_storage cl_addr; /* server identifier */ size_t cl_addrlen; char * cl_hostname; /* hostname of server */ |