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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-23 13:24:36 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-23 15:21:13 -0400 |
| commit | 4697bd5e9419348ef9fa9b55cefe4355ad9d3d01 (patch) | |
| tree | 20bf5da80d10ec4df42ae0c3067af39a36f11c28 /fs/nfs/internal.h | |
| parent | 7b38c3682c5cab4f98751d5fe57b78a59020653d (diff) | |
| download | linux-4697bd5e9419348ef9fa9b55cefe4355ad9d3d01.tar.bz2 | |
NFSv4: Fix a race in the net namespace mount notification
Since the struct nfs_client gets added to the global nfs_client_list
before it is initialised, it is possible that rpc_pipefs_event can
end up trying to create idmapper entries on such a thing.
The solution is to have the mount notification wait for the
initialisation of each nfs_client to complete, and then to
skip any entries for which the it failed.
Reported-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 5ea571e8d0e9..1848a7275592 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -168,6 +168,7 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server *, struct nfs_fh *, struct nfs_fattr *, rpc_authflavor_t); +extern int nfs_wait_client_init_complete(const struct nfs_client *clp); extern void nfs_mark_client_ready(struct nfs_client *clp, int state); extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp, const struct sockaddr *ds_addr, |