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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-06-16 09:52:27 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-06-22 13:24:03 -0400 |
| commit | 1055d76d91e69c8ea9fb748db4d4a53b6384df31 (patch) | |
| tree | 4bcb3c6427b48eadc5e0b226d5b8522f4dd32ee9 | |
| parent | fe74ba3a8db003410e48863a5cafa6ac90674540 (diff) | |
| download | linux-1055d76d91e69c8ea9fb748db4d4a53b6384df31.tar.gz linux-1055d76d91e69c8ea9fb748db4d4a53b6384df31.tar.bz2 linux-1055d76d91e69c8ea9fb748db4d4a53b6384df31.zip | |
NFSv4.1: There is no need to init the session more than once...
Set up a flag to ensure that is indeed the case.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 1 | ||||
| -rw-r--r-- | fs/nfs/nfs4proc.c | 7 |
2 files changed, 7 insertions, 1 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 04eff16b34d3..a986f13e8039 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -49,6 +49,7 @@ enum nfs4_client_state { }; enum nfs4_session_state { + NFS4_SESSION_INITING, NFS4_SESSION_DRAINING, }; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index b4132fe14282..243d6c72cfa1 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4807,6 +4807,8 @@ struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp) spin_lock_init(&tbl->slot_tbl_lock); rpc_init_wait_queue(&tbl->slot_tbl_waitq, "BackChannel Slot table"); + session->session_state = 1<<NFS4_SESSION_INITING; + session->clp = clp; return session; } @@ -5023,6 +5025,10 @@ int nfs4_init_session(struct nfs_server *server) if (!nfs4_has_session(clp)) return 0; + session = clp->cl_session; + if (!test_and_clear_bit(NFS4_SESSION_INITING, &session->session_state)) + return 0; + rsize = server->rsize; if (rsize == 0) rsize = NFS_MAX_FILE_IO_SIZE; @@ -5030,7 +5036,6 @@ int nfs4_init_session(struct nfs_server *server) if (wsize == 0) wsize = NFS_MAX_FILE_IO_SIZE; - session = clp->cl_session; session->fc_attrs.max_rqst_sz = wsize + nfs41_maxwrite_overhead; session->fc_attrs.max_resp_sz = rsize + nfs41_maxread_overhead; |