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NFSv4.1: Fix session initialisation races

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Session initialisation is not complete until the lease manager
has run. We need to ensure that both nfs4_init_session and
nfs4_init_ds_session do so, and that they check for any resulting
errors in clp->cl_cons_state.

Only after this is done, can nfs4_ds_connect check the contents
of clp->cl_exchange_flags.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Andy Adamson <andros@netapp.com>
This commit is contained in:
Trond Myklebust
2012-05-23 13:23:31 -04:00
parent acdeb69d9c
commit 7b38c3682c
4 changed files with 54 additions and 67 deletions
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3
fs/nfs/internal.h
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@@ -169,7 +169,6 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server *,
struct nfs_fattr *,
rpc_authflavor_t);
extern void nfs_mark_client_ready(struct nfs_client *clp, int state);
extern int nfs4_check_client_ready(struct nfs_client *clp);
extern struct nfs_client *nfs4_set_ds_client(struct nfs_client* mds_clp,
const struct sockaddr *ds_addr,
int ds_addrlen, int ds_proto,
@@ -234,7 +233,7 @@ extern const u32 nfs41_maxwrite_overhead;
extern struct rpc_procinfo nfs4_procedures[];
#endif
extern int nfs4_init_ds_session(struct nfs_client *clp);
extern int nfs4_init_ds_session(struct nfs_client *, unsigned long);
/* proc.c */
void nfs_close_context(struct nfs_open_context *ctx, int is_sync);