/* * fs/nfs/nfs4xdr.c * * Client-side XDR for NFSv4. * * Copyright (c) 2002 The Regents of the University of Michigan. * All rights reserved. * * Kendrick Smith <[email protected]> * Andy Adamson <[email protected]> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/param.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/in.h> #include <linux/pagemap.h> #include <linux/proc_fs.h> #include <linux/kdev_t.h> #include <linux/module.h> #include <linux/utsname.h> #include <linux/sunrpc/clnt.h> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/gss_api.h> #include <linux/nfs.h> #include <linux/nfs4.h> #include <linux/nfs_fs.h> #include "nfs4_fs.h" #include "nfs4trace.h" #include "internal.h" #include "nfs4idmap.h" #include "nfs4session.h" #include "pnfs.h" #include "netns.h" #define NFSDBG_FACILITY … /* Mapping from NFS error code to "errno" error code. */ #define errno_NFSERR_IO … struct compound_hdr; static int nfs4_stat_to_errno(int); static void encode_layoutget(struct xdr_stream *xdr, const struct nfs4_layoutget_args *args, struct compound_hdr *hdr); static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_layoutget_res *res); /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ #ifdef DEBUG #define NFS4_MAXTAGLEN … #else #define NFS4_MAXTAGLEN … #endif /* lock,open owner id: * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) */ #define pagepad_maxsz … #define open_owner_id_maxsz … #define lock_owner_id_maxsz … #define decode_lockowner_maxsz … #define compound_encode_hdr_maxsz … #define compound_decode_hdr_maxsz … #define op_encode_hdr_maxsz … #define op_decode_hdr_maxsz … #define encode_stateid_maxsz … #define decode_stateid_maxsz … #define encode_verifier_maxsz … #define decode_verifier_maxsz … #define encode_putfh_maxsz … #define decode_putfh_maxsz … #define encode_putrootfh_maxsz … #define decode_putrootfh_maxsz … #define encode_getfh_maxsz … #define decode_getfh_maxsz … #define nfs4_fattr_bitmap_maxsz … #define encode_getattr_maxsz … #define nfstime4_maxsz … #define nfs4_name_maxsz … #define nfs4_path_maxsz … #define nfs4_owner_maxsz … #define nfs4_group_maxsz … #ifdef CONFIG_NFS_V4_SECURITY_LABEL /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ #define nfs4_label_maxsz … #else #define nfs4_label_maxsz … #endif /* We support only one layout type per file system */ #define decode_mdsthreshold_maxsz … /* This is based on getfattr, which uses the most attributes: */ #define nfs4_fattr_value_maxsz … #define nfs4_fattr_maxsz … #define decode_getattr_maxsz … #define encode_attrs_maxsz … #define encode_savefh_maxsz … #define decode_savefh_maxsz … #define encode_restorefh_maxsz … #define decode_restorefh_maxsz … #define encode_fsinfo_maxsz … /* The 5 accounts for the PNFS attributes, and assumes that at most three * layout types will be returned. */ #define decode_fsinfo_maxsz … #define encode_renew_maxsz … #define decode_renew_maxsz … #define encode_setclientid_maxsz … #define decode_setclientid_maxsz … #define encode_setclientid_confirm_maxsz … #define decode_setclientid_confirm_maxsz … #define encode_lookup_maxsz … #define decode_lookup_maxsz … #define encode_lookupp_maxsz … #define decode_lookupp_maxsz … #define encode_share_access_maxsz … #define encode_createmode_maxsz … #define encode_opentype_maxsz … #define encode_claim_null_maxsz … #define encode_open_maxsz … #define decode_space_limit_maxsz … #define decode_ace_maxsz … #define decode_delegation_maxsz … #define decode_change_info_maxsz … #define decode_open_maxsz … #define encode_open_confirm_maxsz … #define decode_open_confirm_maxsz … #define encode_open_downgrade_maxsz … #define decode_open_downgrade_maxsz … #define encode_close_maxsz … #define decode_close_maxsz … #define encode_setattr_maxsz … #define decode_setattr_maxsz … #define encode_delegattr_maxsz … #define decode_delegattr_maxsz … #define encode_read_maxsz … #define decode_read_maxsz … #define encode_readdir_maxsz … #define decode_readdir_maxsz … #define encode_readlink_maxsz … #define decode_readlink_maxsz … #define encode_write_maxsz … #define decode_write_maxsz … #define encode_commit_maxsz … #define decode_commit_maxsz … #define encode_remove_maxsz … #define decode_remove_maxsz … #define encode_rename_maxsz … #define decode_rename_maxsz … #define encode_link_maxsz … #define decode_link_maxsz … #define encode_lockowner_maxsz … #define encode_lock_maxsz … #define decode_lock_denied_maxsz … #define decode_lock_maxsz … #define encode_lockt_maxsz … #define decode_lockt_maxsz … #define encode_locku_maxsz … #define decode_locku_maxsz … #define encode_release_lockowner_maxsz … #define decode_release_lockowner_maxsz … #define encode_access_maxsz … #define decode_access_maxsz … #define encode_symlink_maxsz … #define decode_symlink_maxsz … #define encode_create_maxsz … #define decode_create_maxsz … #define encode_statfs_maxsz … #define decode_statfs_maxsz … #define encode_delegreturn_maxsz … #define decode_delegreturn_maxsz … #define encode_getacl_maxsz … #define decode_getacl_maxsz … #define encode_setacl_maxsz … #define decode_setacl_maxsz … #define encode_fs_locations_maxsz … #define decode_fs_locations_maxsz … #define encode_secinfo_maxsz … #define decode_secinfo_maxsz … #if defined(CONFIG_NFS_V4_1) #define NFS4_MAX_MACHINE_NAME_LEN … #define IMPL_NAME_LIMIT … #define encode_exchange_id_maxsz … #define decode_exchange_id_maxsz … #define encode_channel_attrs_maxsz … #define decode_channel_attrs_maxsz … #define encode_create_session_maxsz … #define decode_create_session_maxsz … #define encode_bind_conn_to_session_maxsz … #define decode_bind_conn_to_session_maxsz … #define encode_destroy_session_maxsz … #define decode_destroy_session_maxsz … #define encode_destroy_clientid_maxsz … #define decode_destroy_clientid_maxsz … #define encode_sequence_maxsz … #define decode_sequence_maxsz … #define encode_reclaim_complete_maxsz … #define decode_reclaim_complete_maxsz … #define encode_getdeviceinfo_maxsz … #define decode_getdeviceinfo_maxsz … #define encode_layoutget_maxsz … #define decode_layoutget_maxsz … #define encode_layoutcommit_maxsz … /* the actual content of layoutupdate4 should be allocated by drivers and spliced in using xdr_write_pages */ #define decode_layoutcommit_maxsz … #define encode_layoutreturn_maxsz … #define decode_layoutreturn_maxsz … #define encode_secinfo_no_name_maxsz … #define decode_secinfo_no_name_maxsz … #define encode_test_stateid_maxsz … #define decode_test_stateid_maxsz … #define encode_free_stateid_maxsz … #define decode_free_stateid_maxsz … #else /* CONFIG_NFS_V4_1 */ #define encode_sequence_maxsz … #define decode_sequence_maxsz … #define encode_layoutreturn_maxsz … #define decode_layoutreturn_maxsz … #define encode_layoutget_maxsz … #define decode_layoutget_maxsz … #endif /* CONFIG_NFS_V4_1 */ #define NFS4_enc_compound_sz … #define NFS4_dec_compound_sz … #define NFS4_enc_read_sz … #define NFS4_dec_read_sz … #define NFS4_enc_readlink_sz … #define NFS4_dec_readlink_sz … #define NFS4_enc_readdir_sz … #define NFS4_dec_readdir_sz … #define NFS4_enc_write_sz … #define NFS4_dec_write_sz … #define NFS4_enc_commit_sz … #define NFS4_dec_commit_sz … #define NFS4_enc_open_sz … #define NFS4_dec_open_sz … #define NFS4_enc_open_confirm_sz … #define NFS4_dec_open_confirm_sz … #define NFS4_enc_open_noattr_sz … #define NFS4_dec_open_noattr_sz … #define NFS4_enc_open_downgrade_sz … #define NFS4_dec_open_downgrade_sz … #define NFS4_enc_close_sz … #define NFS4_dec_close_sz … #define NFS4_enc_setattr_sz … #define NFS4_dec_setattr_sz … #define NFS4_enc_fsinfo_sz … #define NFS4_dec_fsinfo_sz … #define NFS4_enc_renew_sz … #define NFS4_dec_renew_sz … #define NFS4_enc_setclientid_sz … #define NFS4_dec_setclientid_sz … #define NFS4_enc_setclientid_confirm_sz … #define NFS4_dec_setclientid_confirm_sz … #define NFS4_enc_lock_sz … #define NFS4_dec_lock_sz … #define NFS4_enc_lockt_sz … #define NFS4_dec_lockt_sz … #define NFS4_enc_locku_sz … #define NFS4_dec_locku_sz … #define NFS4_enc_release_lockowner_sz … #define NFS4_dec_release_lockowner_sz … #define NFS4_enc_access_sz … #define NFS4_dec_access_sz … #define NFS4_enc_getattr_sz … #define NFS4_dec_getattr_sz … #define NFS4_enc_lookup_sz … #define NFS4_dec_lookup_sz … #define NFS4_enc_lookupp_sz … #define NFS4_dec_lookupp_sz … #define NFS4_enc_lookup_root_sz … #define NFS4_dec_lookup_root_sz … #define NFS4_enc_remove_sz … #define NFS4_dec_remove_sz … #define NFS4_enc_rename_sz … #define NFS4_dec_rename_sz … #define NFS4_enc_link_sz … #define NFS4_dec_link_sz … #define NFS4_enc_symlink_sz … #define NFS4_dec_symlink_sz … #define NFS4_enc_create_sz … #define NFS4_dec_create_sz … #define NFS4_enc_pathconf_sz … #define NFS4_dec_pathconf_sz … #define NFS4_enc_statfs_sz … #define NFS4_dec_statfs_sz … #define NFS4_enc_server_caps_sz … #define NFS4_dec_server_caps_sz … #define NFS4_enc_delegreturn_sz … #define NFS4_dec_delegreturn_sz … #define NFS4_enc_getacl_sz … #define NFS4_dec_getacl_sz … #define NFS4_enc_setacl_sz … #define NFS4_dec_setacl_sz … #define NFS4_enc_fs_locations_sz … #define NFS4_dec_fs_locations_sz … #define NFS4_enc_secinfo_sz … #define NFS4_dec_secinfo_sz … #define NFS4_enc_fsid_present_sz … #define NFS4_dec_fsid_present_sz … #if defined(CONFIG_NFS_V4_1) #define NFS4_enc_bind_conn_to_session_sz … #define NFS4_dec_bind_conn_to_session_sz … #define NFS4_enc_exchange_id_sz … #define NFS4_dec_exchange_id_sz … #define NFS4_enc_create_session_sz … #define NFS4_dec_create_session_sz … #define NFS4_enc_destroy_session_sz … #define NFS4_dec_destroy_session_sz … #define NFS4_enc_destroy_clientid_sz … #define NFS4_dec_destroy_clientid_sz … #define NFS4_enc_sequence_sz … #define NFS4_dec_sequence_sz … #endif #define NFS4_enc_get_lease_time_sz … #define NFS4_dec_get_lease_time_sz … #if defined(CONFIG_NFS_V4_1) #define NFS4_enc_reclaim_complete_sz … #define NFS4_dec_reclaim_complete_sz … #define NFS4_enc_getdeviceinfo_sz … #define NFS4_dec_getdeviceinfo_sz … #define NFS4_enc_layoutget_sz … #define NFS4_dec_layoutget_sz … #define NFS4_enc_layoutcommit_sz … #define NFS4_dec_layoutcommit_sz … #define NFS4_enc_layoutreturn_sz … #define NFS4_dec_layoutreturn_sz … #define NFS4_enc_secinfo_no_name_sz … #define NFS4_dec_secinfo_no_name_sz … #define NFS4_enc_test_stateid_sz … #define NFS4_dec_test_stateid_sz … #define NFS4_enc_free_stateid_sz … #define NFS4_dec_free_stateid_sz … const u32 nfs41_maxwrite_overhead = …; const u32 nfs41_maxread_overhead = …; const u32 nfs41_maxgetdevinfo_overhead = …; EXPORT_SYMBOL_GPL(…); #endif /* CONFIG_NFS_V4_1 */ static const umode_t nfs_type2fmt[] = …; struct compound_hdr { … }; static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) { … } static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) { … } static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) { … } static void encode_uint32(struct xdr_stream *xdr, u32 n) { … } static void encode_uint64(struct xdr_stream *xdr, u64 n) { … } static ssize_t xdr_encode_bitmap4(struct xdr_stream *xdr, const __u32 *bitmap, size_t len) { … } static size_t mask_bitmap4(const __u32 *bitmap, const __u32 *mask, __u32 *res, size_t len) { … } static void encode_nfs4_seqid(struct xdr_stream *xdr, const struct nfs_seqid *seqid) { … } static void encode_compound_hdr(struct xdr_stream *xdr, struct rpc_rqst *req, struct compound_hdr *hdr) { … } static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, uint32_t replen, struct compound_hdr *hdr) { … } static void encode_nops(struct compound_hdr *hdr) { … } static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) { … } static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) { … } static __be32 * xdr_encode_nfstime4(__be32 *p, const struct timespec64 *t) { … } static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs4_label *label, const umode_t *umask, const struct nfs_server *server, const uint32_t attrmask[]) { … } static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) { … } static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) { … } static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) { … } static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) { … } static void encode_getattr(struct xdr_stream *xdr, const __u32 *bitmap, const __u32 *mask, size_t len, struct compound_hdr *hdr) { … } static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) { … } static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, const u32 *open_bitmap, struct compound_hdr *hdr) { … } static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) { … } static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) { … } static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { … } static inline int nfs4_lock_type(struct file_lock *fl, int block) { … } static inline uint64_t nfs4_lock_length(struct file_lock *fl) { … } static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) { … } /* * opcode,type,reclaim,offset,length,new_lock_owner = 32 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 */ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) { … } static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) { … } static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) { … } static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) { … } static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { … } static void encode_lookupp(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static void encode_share_access(struct xdr_stream *xdr, u32 share_access) { … } static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) { … } static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) { … } static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) { … } static inline void encode_delegation_type(struct xdr_stream *xdr, u32 delegation_type) { … } static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) { … } static inline void encode_claim_previous(struct xdr_stream *xdr, u32 type) { … } static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) { … } static inline void encode_claim_fh(struct xdr_stream *xdr) { … } static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) { … } static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) { … } static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) { … } static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) { … } static void encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) { … } static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, struct compound_hdr *hdr) { … } static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) { … } static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) { … } static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { … } static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) { … } static void encode_renew(struct xdr_stream *xdr, clientid4 clid, struct compound_hdr *hdr) { … } static void encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static void nfs4_acltype_to_bitmap(enum nfs4_acl_type type, __u32 bitmap[2]) { … } static void encode_setacl(struct xdr_stream *xdr, const struct nfs_setaclargs *arg, struct compound_hdr *hdr) { … } static void encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) { … } static void encode_delegattr(struct xdr_stream *xdr, const nfs4_stateid *stateid, const struct nfs4_delegattr *attr, struct compound_hdr *hdr) { … } static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) { … } static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) { … } static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, struct compound_hdr *hdr) { … } static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) { … } static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) { … } #if defined(CONFIG_NFS_V4_1) /* NFSv4.1 operations */ static void encode_bind_conn_to_session(struct xdr_stream *xdr, const struct nfs41_bind_conn_to_session_args *args, struct compound_hdr *hdr) { … } static void encode_op_map(struct xdr_stream *xdr, const struct nfs4_op_map *op_map) { … } static void encode_exchange_id(struct xdr_stream *xdr, const struct nfs41_exchange_id_args *args, struct compound_hdr *hdr) { … } static void encode_create_session(struct xdr_stream *xdr, const struct nfs41_create_session_args *args, struct compound_hdr *hdr) { … } static void encode_destroy_session(struct xdr_stream *xdr, const struct nfs4_session *session, struct compound_hdr *hdr) { … } static void encode_destroy_clientid(struct xdr_stream *xdr, uint64_t clientid, struct compound_hdr *hdr) { … } static void encode_reclaim_complete(struct xdr_stream *xdr, const struct nfs41_reclaim_complete_args *args, struct compound_hdr *hdr) { … } #endif /* CONFIG_NFS_V4_1 */ static void encode_sequence(struct xdr_stream *xdr, const struct nfs4_sequence_args *args, struct compound_hdr *hdr) { … } #ifdef CONFIG_NFS_V4_1 static void encode_getdeviceinfo(struct xdr_stream *xdr, const struct nfs4_getdeviceinfo_args *args, struct compound_hdr *hdr) { … } static void encode_layoutget(struct xdr_stream *xdr, const struct nfs4_layoutget_args *args, struct compound_hdr *hdr) { … } static int encode_layoutcommit(struct xdr_stream *xdr, struct inode *inode, const struct nfs4_layoutcommit_args *args, struct compound_hdr *hdr) { … } static void encode_layoutreturn(struct xdr_stream *xdr, const struct nfs4_layoutreturn_args *args, struct compound_hdr *hdr) { … } static int encode_secinfo_no_name(struct xdr_stream *xdr, const struct nfs41_secinfo_no_name_args *args, struct compound_hdr *hdr) { … } static void encode_test_stateid(struct xdr_stream *xdr, const struct nfs41_test_stateid_args *args, struct compound_hdr *hdr) { … } static void encode_free_stateid(struct xdr_stream *xdr, const struct nfs41_free_stateid_args *args, struct compound_hdr *hdr) { … } #else static inline void encode_layoutreturn(struct xdr_stream *xdr, const struct nfs4_layoutreturn_args *args, struct compound_hdr *hdr) { } static void encode_layoutget(struct xdr_stream *xdr, const struct nfs4_layoutget_args *args, struct compound_hdr *hdr) { } #endif /* CONFIG_NFS_V4_1 */ /* * END OF "GENERIC" ENCODE ROUTINES. */ static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) { … } /* * Encode an ACCESS request */ static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LOOKUP request */ static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LOOKUPP request */ static void nfs4_xdr_enc_lookupp(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LOOKUP_ROOT request */ static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode REMOVE request */ static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode RENAME request */ static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LINK request */ static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode CREATE request */ static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode SYMLINK request */ static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode GETATTR request */ static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a CLOSE request */ static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode an OPEN request */ static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode an OPEN_CONFIRM request */ static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode an OPEN request with no attributes. */ static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode an OPEN_DOWNGRADE request */ static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a LOCK request */ static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a LOCKT request */ static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a LOCKU request */ static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a READLINK request */ static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a READDIR request */ static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a READ request */ static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode an SETATTR request */ static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a GETACL request */ static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode a WRITE request */ static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a COMMIT request */ static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * FSINFO request */ static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a PATHCONF request */ static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a STATFS request */ static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * GETATTR_BITMAP request */ static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a RENEW request */ static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a SETCLIENTID request */ static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a SETCLIENTID_CONFIRM request */ static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * DELEGRETURN request */ static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode FS_LOCATIONS request */ static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode SECINFO request */ static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode FSID_PRESENT request */ static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } #if defined(CONFIG_NFS_V4_1) /* * BIND_CONN_TO_SESSION request */ static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * EXCHANGE_ID request */ static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a CREATE_SESSION request */ static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a DESTROY_SESSION request */ static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a DESTROY_CLIENTID request */ static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * a SEQUENCE request */ static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } #endif /* * a GET_LEASE_TIME request */ static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } #ifdef CONFIG_NFS_V4_1 /* * a RECLAIM_COMPLETE request */ static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode GETDEVICEINFO request */ static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LAYOUTGET request */ static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode LAYOUTCOMMIT request */ static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, struct xdr_stream *xdr, const void *priv) { … } /* * Encode LAYOUTRETURN request */ static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode SECINFO_NO_NAME request */ static void nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode TEST_STATEID request */ static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Encode FREE_STATEID request */ static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } #endif /* CONFIG_NFS_V4_1 */ static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) { … } static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) { … } static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, int *nfs_retval) { … } static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) { … } /* Dummy routine */ static int decode_ace(struct xdr_stream *xdr, void *ace) { … } static ssize_t decode_bitmap4(struct xdr_stream *xdr, uint32_t *bitmap, size_t sz) { … } static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) { … } static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) { … } static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) { … } static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) { … } static int decode_attr_fh_expire_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) { … } static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) { … } static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) { … } static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) { … } static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) { … } static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) { … } static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) { … } static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_case_insensitive(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_case_preserving(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) { … } static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) { … } static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) { … } static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) { … } static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) { … } static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) { … } static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) { … } static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) { … } static ssize_t decode_nfs4_string(struct xdr_stream *xdr, struct nfs4_string *name, gfp_t gfp_flags) { … } static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, const struct nfs_server *server, kuid_t *uid, struct nfs4_string *owner_name) { … } static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, const struct nfs_server *server, kgid_t *gid, struct nfs4_string *group_name) { … } static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) { … } static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) { … } static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) { … } static __be32 * xdr_decode_nfstime4(__be32 *p, struct timespec64 *t) { … } static int decode_attr_time(struct xdr_stream *xdr, struct timespec64 *time) { … } static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) { … } static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) { … } static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) { … } static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_label *label) { … } static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) { … } static int decode_attr_xattrsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_open_arguments(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_open_caps *res) { … } static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) { … } static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { … } static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) { … } static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) { … } static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_invalid_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) { … } static int decode_verifier(struct xdr_stream *xdr, void *verifier) { … } static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) { … } static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) { … } static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { … } static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) { … } static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) { … } static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) { … } static int decode_threshold_hint(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res, uint32_t hint_bit) { … } static int decode_first_threshold_item4(struct xdr_stream *xdr, struct nfs4_threshold *res) { … } /* * Thresholds on pNFS direct I/O vrs MDS I/O */ static int decode_attr_mdsthreshold(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_threshold *res) { … } static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fattr *fattr, struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, const struct nfs_server *server) { … } static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, const struct nfs_server *server) { … } static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) { … } /* * Decode potentially multiple layout types. */ static int decode_pnfs_layout_types(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) { … } /* * The type of file system exported. * Note we must ensure that layouttype is set in any non-error case. */ static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsinfo *fsinfo) { … } /* * The prefered block size for layout directed io */ static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } /* * The granularity of a CLONE operation. */ static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) { … } static int decode_attr_change_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, enum nfs4_change_attr_type *res) { … } static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) { … } static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) { … } static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { … } /* * We create the owner, so we know a proper owner.id length is 4. */ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) { … } static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) { … } static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) { … } static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) { … } static int decode_release_lockowner(struct xdr_stream *xdr) { … } static int decode_lookup(struct xdr_stream *xdr) { … } static int decode_lookupp(struct xdr_stream *xdr) { … } /* This is too sick! */ static int decode_space_limit(struct xdr_stream *xdr, unsigned long *pagemod_limit) { … } static int decode_rw_delegation(struct xdr_stream *xdr, struct nfs4_open_delegation *res) { … } static int decode_no_delegation(struct xdr_stream *xdr, struct nfs4_open_delegation *res) { … } static int decode_delegation(struct xdr_stream *xdr, struct nfs4_open_delegation *res) { … } static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) { … } static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) { … } static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) { … } static int decode_putfh(struct xdr_stream *xdr) { … } static int decode_putrootfh(struct xdr_stream *xdr) { … } static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_pgio_res *res) { … } static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) { … } static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) { … } static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) { … } static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, struct nfs4_change_info *new_cinfo) { … } static int decode_renew(struct xdr_stream *xdr) { … } static int decode_restorefh(struct xdr_stream *xdr) { … } static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_getaclres *res, enum nfs4_acl_type type) { … } static int decode_savefh(struct xdr_stream *xdr) { … } static int decode_setattr(struct xdr_stream *xdr) { … } static int decode_delegattr(struct xdr_stream *xdr) { … } static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) { … } static int decode_setclientid_confirm(struct xdr_stream *xdr) { … } static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) { … } static int decode_delegreturn(struct xdr_stream *xdr) { … } static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo4 *flavor) { … } static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) { … } static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) { … } #if defined(CONFIG_NFS_V4_1) static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) { … } static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) { … } static int decode_exchange_id(struct xdr_stream *xdr, struct nfs41_exchange_id_res *res) { … } static int decode_chan_attrs(struct xdr_stream *xdr, struct nfs4_channel_attrs *attrs) { … } static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) { … } static int decode_bind_conn_to_session(struct xdr_stream *xdr, struct nfs41_bind_conn_to_session_res *res) { … } static int decode_create_session(struct xdr_stream *xdr, struct nfs41_create_session_res *res) { … } static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) { … } static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) { … } static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) { … } #endif /* CONFIG_NFS_V4_1 */ static int decode_sequence(struct xdr_stream *xdr, struct nfs4_sequence_res *res, struct rpc_rqst *rqstp) { … } #if defined(CONFIG_NFS_V4_1) static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { … } static int decode_getdeviceinfo(struct xdr_stream *xdr, struct nfs4_getdeviceinfo_res *res) { … } static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_layoutget_res *res) { … } static int decode_layoutreturn(struct xdr_stream *xdr, struct nfs4_layoutreturn_res *res) { … } static int decode_layoutcommit(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_layoutcommit_res *res) { … } static int decode_test_stateid(struct xdr_stream *xdr, struct nfs41_test_stateid_res *res) { … } static int decode_free_stateid(struct xdr_stream *xdr, struct nfs41_free_stateid_res *res) { … } #else static inline int decode_layoutreturn(struct xdr_stream *xdr, struct nfs4_layoutreturn_res *res) { return 0; } static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_layoutget_res *res) { return 0; } #endif /* CONFIG_NFS_V4_1 */ /* * END OF "GENERIC" DECODE ROUTINES. */ /* * Decode OPEN_DOWNGRADE response */ static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode ACCESS response */ static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOOKUP response */ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOOKUPP response */ static int nfs4_xdr_dec_lookupp(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOOKUP_ROOT response */ static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode REMOVE response */ static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode RENAME response */ static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LINK response */ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode CREATE response */ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode SYMLINK response */ static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode GETATTR response */ static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Encode an SETACL request */ static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, const void *data) { … } /* * Decode SETACL response */ static int nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode GETACL response */ static int nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode CLOSE response */ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode OPEN response */ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode OPEN_CONFIRM response */ static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode OPEN response */ static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode SETATTR response */ static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOCK response */ static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOCKT response */ static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LOCKU response */ static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *dummy) { … } /* * Decode READLINK response */ static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode READDIR response */ static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode Read response */ static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode WRITE response */ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode COMMIT response */ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode FSINFO response */ static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode PATHCONF response */ static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode STATFS response */ static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode GETATTR_BITMAP response */ static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode RENEW response */ static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *__unused) { … } /* * Decode SETCLIENTID response */ static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode SETCLIENTID_CONFIRM response */ static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode DELEGRETURN response */ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode FS_LOCATIONS response */ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, struct xdr_stream *xdr, void *data) { … } /* * Decode SECINFO response */ static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode FSID_PRESENT response */ static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } #if defined(CONFIG_NFS_V4_1) /* * Decode BIND_CONN_TO_SESSION response */ static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode EXCHANGE_ID response */ static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode CREATE_SESSION response */ static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode DESTROY_SESSION response */ static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode DESTROY_CLIENTID response */ static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } /* * Decode SEQUENCE response */ static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *res) { … } #endif /* * Decode GET_LEASE_TIME response */ static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } #ifdef CONFIG_NFS_V4_1 /* * Decode RECLAIM_COMPLETE response */ static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode GETDEVINFO response */ static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LAYOUTGET response */ static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LAYOUTRETURN response */ static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode LAYOUTCOMMIT response */ static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode SECINFO_NO_NAME response */ static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode TEST_STATEID response */ static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } /* * Decode FREE_STATEID response */ static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, struct xdr_stream *xdr, void *data) { … } #endif /* CONFIG_NFS_V4_1 */ /** * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in * the local page cache. * @xdr: XDR stream where entry resides * @entry: buffer to fill in with entry data * @plus: boolean indicating whether this should be a readdirplus entry * * Returns zero if successful, otherwise a negative errno value is * returned. * * This function is not invoked during READDIR reply decoding, but * rather whenever an application invokes the getdents(2) system call * on a directory already in our cache. */ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, bool plus) { … } /* * We need to translate between nfs status return values and * the local errno values which may not be the same. */ static struct { … } nfs_errtbl[] = …; /* * Convert an NFS error code to a local one. * This one is used jointly by NFSv2 and NFSv3. */ static int nfs4_stat_to_errno(int stat) { … } #ifdef CONFIG_NFS_V4_2 #include "nfs42xdr.c" #endif /* CONFIG_NFS_V4_2 */ #define PROC(proc, argtype, restype) … #define STUB(proc) … #if defined(CONFIG_NFS_V4_1) #define PROC41(proc, argtype, restype) … #else #define PROC41 … #endif #if defined(CONFIG_NFS_V4_2) #define PROC42(proc, argtype, restype) … #else #define PROC42 … #endif const struct rpc_procinfo nfs4_procedures[] = …; static unsigned int nfs_version4_counts[ARRAY_SIZE(nfs4_procedures)]; const struct rpc_version nfs_version4 = …;
Codebase Browser
linux