NFS: Attach supplementary error information to fs_context.
Split out from commit "NFS: Add fs_context support." Add wrappers nfs_errorf(), nfs_invalf(), and nfs_warnf() which log error information to the fs_context. Convert some printk's to use these new wrappers instead. Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Scott Mayhew
Anna Schumaker
parent
62a55d088c
commit
ce8866f091
@ -318,10 +318,8 @@ static int nfs_auth_info_add(struct fs_context *fc,
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return 0;
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}
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if (auth_info->flavor_len + 1 >= max_flavor_len) {
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dfprintk(MOUNT, "NFS: too many sec= flavors\n");
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return -EINVAL;
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}
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if (auth_info->flavor_len + 1 >= max_flavor_len)
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return nfs_invalf(fc, "NFS: too many sec= flavors");
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auth_info->flavors[auth_info->flavor_len++] = flavor;
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return 0;
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@ -378,9 +376,7 @@ static int nfs_parse_security_flavors(struct fs_context *fc,
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pseudoflavor = RPC_AUTH_GSS_SPKMP;
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break;
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default:
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dfprintk(MOUNT,
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"NFS: sec= option '%s' not recognized\n", p);
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return -EINVAL;
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return nfs_invalf(fc, "NFS: sec=%s option not recognized", p);
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}
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ret = nfs_auth_info_add(fc, &ctx->auth_info, pseudoflavor);
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@ -425,8 +421,7 @@ static int nfs_parse_version_string(struct fs_context *fc,
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ctx->minorversion = 2;
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break;
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default:
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dfprintk(MOUNT, "NFS: Unsupported NFS version\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Unsupported NFS version");
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}
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return 0;
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}
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@ -451,10 +446,8 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
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switch (opt) {
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case Opt_source:
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if (fc->source) {
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dfprintk(MOUNT, "NFS: Multiple sources not supported\n");
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return -EINVAL;
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}
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if (fc->source)
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return nfs_invalf(fc, "NFS: Multiple sources not supported");
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fc->source = param->string;
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param->string = NULL;
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break;
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@ -664,8 +657,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
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xprt_load_transport(param->string);
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break;
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default:
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dfprintk(MOUNT, "NFS: unrecognized transport protocol\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Unrecognized transport protocol");
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}
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ctx->protofamily = protofamily;
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@ -688,8 +680,7 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
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break;
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case Opt_xprt_rdma: /* not used for side protocols */
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default:
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dfprintk(MOUNT, "NFS: unrecognized transport protocol\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Unrecognized transport protocol");
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}
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ctx->mountfamily = mountfamily;
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break;
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@ -774,13 +765,11 @@ static int nfs_fs_context_parse_param(struct fs_context *fc,
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return 0;
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out_invalid_value:
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printk(KERN_INFO "NFS: Bad mount option value specified\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Bad mount option value specified");
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out_invalid_address:
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printk(KERN_INFO "NFS: Bad IP address specified\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Bad IP address specified");
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out_of_bounds:
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printk(KERN_INFO "NFS: Value for '%s' out of range\n", param->key);
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nfs_invalf(fc, "NFS: Value for '%s' out of range", param->key);
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return -ERANGE;
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}
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@ -846,19 +835,15 @@ static int nfs_parse_source(struct fs_context *fc,
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return 0;
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out_bad_devname:
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dfprintk(MOUNT, "NFS: device name not in host:path format\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: device name not in host:path format");
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out_nomem:
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dfprintk(MOUNT, "NFS: not enough memory to parse device name\n");
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nfs_errorf(fc, "NFS: not enough memory to parse device name");
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return -ENOMEM;
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out_hostname:
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dfprintk(MOUNT, "NFS: server hostname too long\n");
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nfs_errorf(fc, "NFS: server hostname too long");
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return -ENAMETOOLONG;
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out_path:
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dfprintk(MOUNT, "NFS: export pathname too long\n");
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nfs_errorf(fc, "NFS: export pathname too long");
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return -ENAMETOOLONG;
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}
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@ -1015,29 +1000,23 @@ out_no_data:
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ctx->skip_reconfig_option_check = true;
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return 0;
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}
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dfprintk(MOUNT, "NFS: mount program didn't pass any mount data\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: mount program didn't pass any mount data");
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out_no_v3:
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dfprintk(MOUNT, "NFS: nfs_mount_data version %d does not support v3\n",
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data->version);
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return -EINVAL;
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return nfs_invalf(fc, "NFS: nfs_mount_data version does not support v3");
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out_no_sec:
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dfprintk(MOUNT, "NFS: nfs_mount_data version supports only AUTH_SYS\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: nfs_mount_data version supports only AUTH_SYS");
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out_nomem:
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dfprintk(MOUNT, "NFS: not enough memory to handle mount options\n");
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dfprintk(MOUNT, "NFS: not enough memory to handle mount options");
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return -ENOMEM;
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out_no_address:
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dfprintk(MOUNT, "NFS: mount program didn't pass remote address\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: mount program didn't pass remote address");
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out_invalid_fh:
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dfprintk(MOUNT, "NFS: invalid root filehandle\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: invalid root filehandle");
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}
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#if IS_ENABLED(CONFIG_NFS_V4)
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@ -1132,21 +1111,17 @@ out_no_data:
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ctx->skip_reconfig_option_check = true;
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return 0;
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}
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dfprintk(MOUNT, "NFS4: mount program didn't pass any mount data\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS4: mount program didn't pass any mount data");
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out_inval_auth:
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dfprintk(MOUNT, "NFS4: Invalid number of RPC auth flavours %d\n",
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data->auth_flavourlen);
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return -EINVAL;
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return nfs_invalf(fc, "NFS4: Invalid number of RPC auth flavours %d",
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data->auth_flavourlen);
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out_no_address:
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dfprintk(MOUNT, "NFS4: mount program didn't pass remote address\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS4: mount program didn't pass remote address");
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out_invalid_transport_udp:
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dfprintk(MOUNT, "NFSv4: Unsupported transport protocol udp\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFSv4: Unsupported transport protocol udp");
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}
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#endif
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@ -1164,8 +1139,7 @@ static int nfs_fs_context_parse_monolithic(struct fs_context *fc,
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return nfs4_parse_monolithic(fc, data);
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#endif
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dfprintk(MOUNT, "NFS: Unsupported monolithic data version\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Unsupported monolithic data version");
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}
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/*
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@ -1253,32 +1227,25 @@ static int nfs_fs_context_validate(struct fs_context *fc)
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return 0;
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out_no_device_name:
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dfprintk(MOUNT, "NFS: Device name not specified\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Device name not specified");
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out_v4_not_compiled:
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dfprintk(MOUNT, "NFS: NFSv4 is not compiled into kernel\n");
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nfs_errorf(fc, "NFS: NFSv4 is not compiled into kernel");
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return -EPROTONOSUPPORT;
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out_invalid_transport_udp:
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dfprintk(MOUNT, "NFSv4: Unsupported transport protocol udp\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFSv4: Unsupported transport protocol udp");
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out_no_address:
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dfprintk(MOUNT, "NFS: mount program didn't pass remote address\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: mount program didn't pass remote address");
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out_mountproto_mismatch:
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dfprintk(MOUNT, "NFS: Mount server address does not match mountproto= option\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Mount server address does not match mountproto= option");
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out_proto_mismatch:
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dfprintk(MOUNT, "NFS: Server address does not match proto= option\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: Server address does not match proto= option");
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out_minorversion_mismatch:
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dfprintk(MOUNT, "NFS: Mount option vers=%u does not support minorversion=%u\n",
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return nfs_invalf(fc, "NFS: Mount option vers=%u does not support minorversion=%u",
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ctx->version, ctx->minorversion);
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return -EINVAL;
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out_migration_misuse:
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dfprintk(MOUNT, "NFS: 'Migration' not supported for this NFS version\n");
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return -EINVAL;
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return nfs_invalf(fc, "NFS: 'Migration' not supported for this NFS version");
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out_version_unavailable:
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dfprintk(MOUNT, "NFS: Version unavailable\n");
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nfs_errorf(fc, "NFS: Version unavailable");
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return ret;
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}
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@ -86,6 +86,7 @@ int nfs_get_root(struct super_block *s, struct fs_context *fc)
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error = server->nfs_client->rpc_ops->getroot(server, ctx->mntfh, &fsinfo);
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if (error < 0) {
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dprintk("nfs_get_root: getattr error = %d\n", -error);
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nfs_errorf(fc, "NFS: Couldn't getattr on root");
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goto out_fattr;
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}
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@ -93,6 +94,7 @@ int nfs_get_root(struct super_block *s, struct fs_context *fc)
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if (IS_ERR(inode)) {
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dprintk("nfs_get_root: get root inode failed\n");
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error = PTR_ERR(inode);
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nfs_errorf(fc, "NFS: Couldn't get root inode");
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goto out_fattr;
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}
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@ -108,6 +110,7 @@ int nfs_get_root(struct super_block *s, struct fs_context *fc)
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if (IS_ERR(root)) {
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dprintk("nfs_get_root: get root dentry failed\n");
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error = PTR_ERR(root);
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nfs_errorf(fc, "NFS: Couldn't get root dentry");
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goto out_fattr;
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}
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@ -133,6 +133,10 @@ struct nfs_fs_context {
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} clone_data;
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};
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#define nfs_errorf(fc, fmt, ...) errorf(fc, fmt, ## __VA_ARGS__)
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#define nfs_invalf(fc, fmt, ...) invalf(fc, fmt, ## __VA_ARGS__)
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#define nfs_warnf(fc, fmt, ...) warnf(fc, fmt, ## __VA_ARGS__)
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static inline struct nfs_fs_context *nfs_fc2context(const struct fs_context *fc)
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{
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return fc->fs_private;
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@ -281,7 +281,7 @@ int nfs_do_submount(struct fs_context *fc)
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p = nfs_devname(dentry, buffer, 4096);
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if (IS_ERR(p)) {
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dprintk("NFS: Couldn't determine submount pathname\n");
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nfs_errorf(fc, "NFS: Couldn't determine submount pathname");
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ret = PTR_ERR(p);
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} else {
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ret = vfs_parse_fs_string(fc, "source", p, buffer + 4096 - p);
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@ -225,6 +225,7 @@ int nfs4_try_get_tree(struct fs_context *fc)
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fc, ctx->nfs_server.hostname,
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ctx->nfs_server.export_path);
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if (err) {
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nfs_errorf(fc, "NFS4: Couldn't follow remote path");
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dfprintk(MOUNT, "<-- nfs4_try_get_tree() = %d [error]\n", err);
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} else {
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dfprintk(MOUNT, "<-- nfs4_try_get_tree() = 0\n");
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@ -247,6 +248,7 @@ int nfs4_get_referral_tree(struct fs_context *fc)
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fc, ctx->nfs_server.hostname,
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ctx->nfs_server.export_path);
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if (err) {
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nfs_errorf(fc, "NFS4: Couldn't follow remote path");
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dfprintk(MOUNT, "<-- nfs4_get_referral_tree() = %d [error]\n", err);
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} else {
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dfprintk(MOUNT, "<-- nfs4_get_referral_tree() = 0\n");
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@ -1205,7 +1205,7 @@ int nfs_get_tree_common(struct fs_context *fc)
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fc->s_fs_info = NULL;
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if (IS_ERR(s)) {
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error = PTR_ERR(s);
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dfprintk(MOUNT, "NFS: Couldn't get superblock\n");
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nfs_errorf(fc, "NFS: Couldn't get superblock");
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goto out_err_nosb;
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}
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@ -1234,7 +1234,7 @@ int nfs_get_tree_common(struct fs_context *fc)
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error = nfs_get_root(s, fc);
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if (error < 0) {
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dfprintk(MOUNT, "NFS: Couldn't get root dentry\n");
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nfs_errorf(fc, "NFS: Couldn't get root dentry");
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goto error_splat_super;
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}
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