diff options
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/client.c | 13 | ||||
| -rw-r--r-- | fs/nfs/super.c | 60 |
2 files changed, 50 insertions, 23 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c index f2a092ca69b..5ee23e7058b 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -431,14 +431,14 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto, { to->to_initval = timeo * HZ / 10; to->to_retries = retrans; - if (!to->to_retries) - to->to_retries = 2; switch (proto) { case XPRT_TRANSPORT_TCP: case XPRT_TRANSPORT_RDMA: + if (to->to_retries == 0) + to->to_retries = NFS_DEF_TCP_RETRANS; if (to->to_initval == 0) - to->to_initval = 60 * HZ; + to->to_initval = NFS_DEF_TCP_TIMEO * HZ / 10; if (to->to_initval > NFS_MAX_TCP_TIMEOUT) to->to_initval = NFS_MAX_TCP_TIMEOUT; to->to_increment = to->to_initval; @@ -450,14 +450,17 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto, to->to_exponential = 0; break; case XPRT_TRANSPORT_UDP: - default: + if (to->to_retries == 0) + to->to_retries = NFS_DEF_UDP_RETRANS; if (!to->to_initval) - to->to_initval = 11 * HZ / 10; + to->to_initval = NFS_DEF_UDP_TIMEO * HZ / 10; if (to->to_initval > NFS_MAX_UDP_TIMEOUT) to->to_initval = NFS_MAX_UDP_TIMEOUT; to->to_maxval = NFS_MAX_UDP_TIMEOUT; to->to_exponential = 1; break; + default: + BUG(); } } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 73a8e5970f0..9c1a960f5b9 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -817,6 +817,43 @@ static void nfs_parse_ip_address(char *string, size_t str_len, } /* + * Sanity check the NFS transport protocol. + * + */ +static void nfs_validate_transport_protocol(struct nfs_parsed_mount_data *mnt) +{ + switch (mnt->nfs_server.protocol) { + case XPRT_TRANSPORT_UDP: + case XPRT_TRANSPORT_TCP: + case XPRT_TRANSPORT_RDMA: + break; + default: + mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; + } +} + +/* + * For text based NFSv2/v3 mounts, the mount protocol transport default + * settings should depend upon the specified NFS transport. + */ +static void nfs_set_mount_transport_protocol(struct nfs_parsed_mount_data *mnt) +{ + nfs_validate_transport_protocol(mnt); + + if (mnt->mount_server.protocol == XPRT_TRANSPORT_UDP || + mnt->mount_server.protocol == XPRT_TRANSPORT_TCP) + return; + switch (mnt->nfs_server.protocol) { + case XPRT_TRANSPORT_UDP: + mnt->mount_server.protocol = XPRT_TRANSPORT_UDP; + break; + case XPRT_TRANSPORT_TCP: + case XPRT_TRANSPORT_RDMA: + mnt->mount_server.protocol = XPRT_TRANSPORT_TCP; + } +} + +/* * Error-check and convert a string of mount options from user space into * a data structure */ @@ -896,20 +933,14 @@ static int nfs_parse_mount_options(char *raw, case Opt_udp: mnt->flags &= ~NFS_MOUNT_TCP; mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP; - mnt->timeo = 7; - mnt->retrans = 5; break; case Opt_tcp: mnt->flags |= NFS_MOUNT_TCP; mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; - mnt->timeo = 600; - mnt->retrans = 2; break; case Opt_rdma: mnt->flags |= NFS_MOUNT_TCP; /* for side protocols */ mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; - mnt->timeo = 600; - mnt->retrans = 2; break; case Opt_acl: mnt->flags &= ~NFS_MOUNT_NOACL; @@ -1103,21 +1134,15 @@ static int nfs_parse_mount_options(char *raw, case Opt_xprt_udp: mnt->flags &= ~NFS_MOUNT_TCP; mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP; - mnt->timeo = 7; - mnt->retrans = 5; break; case Opt_xprt_tcp: mnt->flags |= NFS_MOUNT_TCP; mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP; - mnt->timeo = 600; - mnt->retrans = 2; break; case Opt_xprt_rdma: /* vector side protocols to TCP */ mnt->flags |= NFS_MOUNT_TCP; mnt->nfs_server.protocol = XPRT_TRANSPORT_RDMA; - mnt->timeo = 600; - mnt->retrans = 2; break; default: goto out_unrec_xprt; @@ -1438,14 +1463,11 @@ static int nfs_validate_mount_data(void *options, args->flags = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP); args->rsize = NFS_MAX_FILE_IO_SIZE; args->wsize = NFS_MAX_FILE_IO_SIZE; - args->timeo = 600; - args->retrans = 2; args->acregmin = 3; args->acregmax = 60; args->acdirmin = 30; args->acdirmax = 60; args->mount_server.port = 0; /* autobind unless user sets port */ - args->mount_server.protocol = XPRT_TRANSPORT_UDP; args->nfs_server.port = 0; /* autobind unless user sets port */ args->nfs_server.protocol = XPRT_TRANSPORT_TCP; @@ -1546,6 +1568,8 @@ static int nfs_validate_mount_data(void *options, &args->nfs_server.address)) goto out_no_address; + nfs_set_mount_transport_protocol(args); + status = nfs_parse_devname(dev_name, &args->nfs_server.hostname, PAGE_SIZE, @@ -2095,14 +2119,11 @@ static int nfs4_validate_mount_data(void *options, args->rsize = NFS_MAX_FILE_IO_SIZE; args->wsize = NFS_MAX_FILE_IO_SIZE; - args->timeo = 600; - args->retrans = 2; args->acregmin = 3; args->acregmax = 60; args->acdirmin = 30; args->acdirmax = 60; args->nfs_server.port = NFS_PORT; /* 2049 unless user set port= */ - args->nfs_server.protocol = XPRT_TRANSPORT_TCP; switch (data->version) { case 1: @@ -2163,6 +2184,7 @@ static int nfs4_validate_mount_data(void *options, args->acdirmin = data->acdirmin; args->acdirmax = data->acdirmax; args->nfs_server.protocol = data->proto; + nfs_validate_transport_protocol(args); break; default: { @@ -2175,6 +2197,8 @@ static int nfs4_validate_mount_data(void *options, &args->nfs_server.address)) return -EINVAL; + nfs_validate_transport_protocol(args); + switch (args->auth_flavor_len) { case 0: args->auth_flavors[0] = RPC_AUTH_UNIX; 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