diff options
| -rw-r--r-- | fs/nfs/callback.h | 4 | ||||
| -rw-r--r-- | fs/nfs/callback_proc.c | 28 |
2 files changed, 32 insertions, 0 deletions
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h index 2b933ce064dd..576f51f4dc52 100644 --- a/fs/nfs/callback.h +++ b/fs/nfs/callback.h @@ -103,6 +103,9 @@ struct cb_sequenceres { uint32_t csr_target_highestslotid; }; +extern unsigned nfs4_callback_sequence(struct cb_sequenceargs *args, + struct cb_sequenceres *res); + #endif /* CONFIG_NFS_V4_1 */ extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res); @@ -119,6 +122,7 @@ extern void nfs_callback_down(int minorversion); * of slots for the backchannel. */ #define NFS41_BC_MIN_CALLBACKS 1 +#define NFS41_BC_MAX_CALLBACKS 1 extern unsigned int nfs_callback_set_tcpport; extern unsigned short nfs_callback_tcpport; diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index f7e83e23cf9f..f731bbe7ac6a 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -101,3 +101,31 @@ out: dprintk("%s: exit with status = %d\n", __func__, ntohl(res)); return res; } + +#if defined(CONFIG_NFS_V4_1) + +/* FIXME: validate args->cbs_{sequence,slot}id */ +/* FIXME: referring calls should be processed */ +unsigned nfs4_callback_sequence(struct cb_sequenceargs *args, + struct cb_sequenceres *res) +{ + int i; + unsigned status = 0; + + for (i = 0; i < args->csa_nrclists; i++) + kfree(args->csa_rclists[i].rcl_refcalls); + kfree(args->csa_rclists); + + memcpy(&res->csr_sessionid, &args->csa_sessionid, + sizeof(res->csr_sessionid)); + res->csr_sequenceid = args->csa_sequenceid; + res->csr_slotid = args->csa_slotid; + res->csr_highestslotid = NFS41_BC_MAX_CALLBACKS - 1; + res->csr_target_highestslotid = NFS41_BC_MAX_CALLBACKS - 1; + + dprintk("%s: exit with status = %d\n", __func__, ntohl(status)); + res->csr_status = status; + return status; +} + +#endif /* CONFIG_NFS_V4_1 */ |