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fs/nfsd/xdr4.h
25.8 KB
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/* |
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* Server-side types for NFSv4. * * Copyright (c) 2002 The Regents of the University of Michigan. * All rights reserved. * * Kendrick Smith <kmsmith@umich.edu> * Andy Adamson <andros@umich.edu> * * 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. * */ #ifndef _LINUX_NFSD_XDR4_H #define _LINUX_NFSD_XDR4_H |
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#include "state.h" #include "nfsd.h" |
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#define NFSD4_MAX_TAGLEN 128 #define XDR_LEN(n) (((n) + 3) & ~3) |
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#define CURRENT_STATE_ID_FLAG (1<<0) #define SAVED_STATE_ID_FLAG (1<<1) |
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#define SET_CSTATE_FLAG(c, f) ((c)->sid_flags |= (f)) #define HAS_CSTATE_FLAG(c, f) ((c)->sid_flags & (f)) #define CLEAR_CSTATE_FLAG(c, f) ((c)->sid_flags &= ~(f)) |
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struct nfsd4_compound_state { |
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struct svc_fh current_fh; struct svc_fh save_fh; struct nfs4_stateowner *replay_owner; |
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struct nfs4_client *clp; |
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/* For sessions DRC */ struct nfsd4_session *session; struct nfsd4_slot *slot; |
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int data_offset; |
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bool spo_must_allowed; |
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size_t iovlen; |
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u32 minorversion; |
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__be32 status; |
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stateid_t current_stateid; stateid_t save_stateid; /* to indicate current and saved state id presents */ u32 sid_flags; |
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}; |
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static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) { return cs->slot != NULL; } |
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struct nfsd4_change_info { u32 atomic; |
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bool change_supported; |
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u32 before_ctime_sec; u32 before_ctime_nsec; |
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u64 before_change; |
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u32 after_ctime_sec; u32 after_ctime_nsec; |
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u64 after_change; |
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}; struct nfsd4_access { u32 ac_req_access; /* request */ u32 ac_supported; /* response */ u32 ac_resp_access; /* response */ }; struct nfsd4_close { u32 cl_seqid; /* request */ stateid_t cl_stateid; /* request+response */ |
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}; struct nfsd4_commit { u64 co_offset; /* request */ u32 co_count; /* request */ nfs4_verifier co_verf; /* response */ }; struct nfsd4_create { u32 cr_namelen; /* request */ char * cr_name; /* request */ u32 cr_type; /* request */ union { /* request */ struct { |
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u32 datalen; char *data; |
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struct kvec first; |
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} link; /* NF4LNK */ struct { u32 specdata1; u32 specdata2; } dev; /* NF4BLK, NF4CHR */ } u; |
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u32 cr_bmval[3]; /* request */ |
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struct iattr cr_iattr; /* request */ |
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int cr_umask; /* request */ |
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struct nfsd4_change_info cr_cinfo; /* response */ struct nfs4_acl *cr_acl; |
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struct xdr_netobj cr_label; |
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}; |
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#define cr_datalen u.link.datalen #define cr_data u.link.data |
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#define cr_first u.link.first |
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#define cr_specdata1 u.dev.specdata1 #define cr_specdata2 u.dev.specdata2 struct nfsd4_delegreturn { stateid_t dr_stateid; }; struct nfsd4_getattr { |
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u32 ga_bmval[3]; /* request */ |
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struct svc_fh *ga_fhp; /* response */ }; struct nfsd4_link { u32 li_namelen; /* request */ char * li_name; /* request */ struct nfsd4_change_info li_cinfo; /* response */ }; struct nfsd4_lock_denied { clientid_t ld_clientid; |
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struct xdr_netobj ld_owner; |
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u64 ld_start; u64 ld_length; u32 ld_type; }; struct nfsd4_lock { /* request */ u32 lk_type; u32 lk_reclaim; /* boolean */ u64 lk_offset; u64 lk_length; u32 lk_is_new; union { struct { u32 open_seqid; stateid_t open_stateid; u32 lock_seqid; clientid_t clientid; struct xdr_netobj owner; } new; struct { stateid_t lock_stateid; u32 lock_seqid; } old; } v; /* response */ union { struct { stateid_t stateid; } ok; struct nfsd4_lock_denied denied; } u; |
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}; #define lk_new_open_seqid v.new.open_seqid #define lk_new_open_stateid v.new.open_stateid #define lk_new_lock_seqid v.new.lock_seqid #define lk_new_clientid v.new.clientid #define lk_new_owner v.new.owner #define lk_old_lock_stateid v.old.lock_stateid #define lk_old_lock_seqid v.old.lock_seqid |
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#define lk_resp_stateid u.ok.stateid #define lk_denied u.denied struct nfsd4_lockt { u32 lt_type; clientid_t lt_clientid; struct xdr_netobj lt_owner; u64 lt_offset; u64 lt_length; |
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struct nfsd4_lock_denied lt_denied; }; struct nfsd4_locku { u32 lu_type; u32 lu_seqid; stateid_t lu_stateid; u64 lu_offset; u64 lu_length; |
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}; struct nfsd4_lookup { u32 lo_len; /* request */ char * lo_name; /* request */ }; struct nfsd4_putfh { u32 pf_fhlen; /* request */ char *pf_fhval; /* request */ |
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bool no_verify; /* represents foreigh fh */ |
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}; |
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struct nfsd4_getxattr { char *getxa_name; /* request */ u32 getxa_len; /* request */ void *getxa_buf; }; struct nfsd4_setxattr { u32 setxa_flags; /* request */ char *setxa_name; /* request */ char *setxa_buf; /* request */ u32 setxa_len; /* request */ struct nfsd4_change_info setxa_cinfo; /* response */ }; struct nfsd4_removexattr { char *rmxa_name; /* request */ struct nfsd4_change_info rmxa_cinfo; /* response */ }; struct nfsd4_listxattrs { u64 lsxa_cookie; /* request */ u32 lsxa_maxcount; /* request */ char *lsxa_buf; /* unfiltered buffer (reply) */ u32 lsxa_len; /* unfiltered len (reply) */ }; |
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struct nfsd4_open { u32 op_claim_type; /* request */ struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ u32 op_delegate_type; /* request - CLAIM_PREV only */ stateid_t op_delegate_stateid; /* request - response */ |
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u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ |
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u32 op_create; /* request */ u32 op_createmode; /* request */ |
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int op_umask; /* request */ |
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u32 op_bmval[3]; /* request */ |
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struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
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nfs4_verifier op_verf __attribute__((aligned(32))); /* EXCLUSIVE4 */ |
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clientid_t op_clientid; /* request */ struct xdr_netobj op_owner; /* request */ u32 op_seqid; /* request */ u32 op_share_access; /* request */ u32 op_share_deny; /* request */ |
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u32 op_deleg_want; /* request */ |
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stateid_t op_stateid; /* response */ |
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__be32 op_xdr_error; /* see nfsd4_open_omfg() */ |
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u32 op_recall; /* recall */ |
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struct nfsd4_change_info op_cinfo; /* response */ u32 op_rflags; /* response */ |
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bool op_truncate; /* used during processing */ bool op_created; /* used during processing */ |
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struct nfs4_openowner *op_openowner; /* used during processing */ |
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struct nfs4_file *op_file; /* used during processing */ |
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struct nfs4_ol_stateid *op_stp; /* used during processing */ |
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struct nfs4_clnt_odstate *op_odstate; /* used during processing */ |
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struct nfs4_acl *op_acl; |
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struct xdr_netobj op_label; |
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}; |
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struct nfsd4_open_confirm { stateid_t oc_req_stateid /* request */; u32 oc_seqid /* request */; stateid_t oc_resp_stateid /* response */; |
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}; struct nfsd4_open_downgrade { stateid_t od_stateid; u32 od_seqid; |
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u32 od_share_access; /* request */ u32 od_deleg_want; /* request */ u32 od_share_deny; /* request */ |
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}; struct nfsd4_read { |
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stateid_t rd_stateid; /* request */ u64 rd_offset; /* request */ u32 rd_length; /* request */ int rd_vlen; struct nfsd_file *rd_nf; |
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struct svc_rqst *rd_rqstp; /* response */ struct svc_fh *rd_fhp; /* response */ |
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}; struct nfsd4_readdir { u64 rd_cookie; /* request */ nfs4_verifier rd_verf; /* request */ u32 rd_dircount; /* request */ u32 rd_maxcount; /* request */ |
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u32 rd_bmval[3]; /* request */ |
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struct svc_rqst *rd_rqstp; /* response */ struct svc_fh * rd_fhp; /* response */ struct readdir_cd common; |
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struct xdr_stream *xdr; int cookie_offset; |
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}; struct nfsd4_release_lockowner { clientid_t rl_clientid; struct xdr_netobj rl_owner; }; struct nfsd4_readlink { struct svc_rqst *rl_rqstp; /* request */ struct svc_fh * rl_fhp; /* request */ }; struct nfsd4_remove { u32 rm_namelen; /* request */ char * rm_name; /* request */ struct nfsd4_change_info rm_cinfo; /* response */ }; struct nfsd4_rename { u32 rn_snamelen; /* request */ char * rn_sname; /* request */ u32 rn_tnamelen; /* request */ char * rn_tname; /* request */ struct nfsd4_change_info rn_sinfo; /* response */ struct nfsd4_change_info rn_tinfo; /* response */ }; |
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struct nfsd4_secinfo { u32 si_namelen; /* request */ char *si_name; /* request */ struct svc_export *si_exp; /* response */ }; |
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struct nfsd4_secinfo_no_name { u32 sin_style; /* request */ struct svc_export *sin_exp; /* response */ }; |
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struct nfsd4_setattr { stateid_t sa_stateid; /* request */ |
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u32 sa_bmval[3]; /* request */ |
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struct iattr sa_iattr; /* request */ struct nfs4_acl *sa_acl; |
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struct xdr_netobj sa_label; |
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}; struct nfsd4_setclientid { nfs4_verifier se_verf; /* request */ |
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struct xdr_netobj se_name; |
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u32 se_callback_prog; /* request */ u32 se_callback_netid_len; /* request */ char * se_callback_netid_val; /* request */ u32 se_callback_addr_len; /* request */ char * se_callback_addr_val; /* request */ u32 se_callback_ident; /* request */ clientid_t se_clientid; /* response */ nfs4_verifier se_confirm; /* response */ }; struct nfsd4_setclientid_confirm { clientid_t sc_clientid; nfs4_verifier sc_confirm; }; |
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struct nfsd4_saved_compoundargs { __be32 *p; __be32 *end; int pagelen; struct page **pagelist; }; |
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struct nfsd4_test_stateid_id { __be32 ts_id_status; stateid_t ts_id_stateid; struct list_head ts_id_list; }; |
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struct nfsd4_test_stateid { |
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u32 ts_num_ids; |
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struct list_head ts_stateid_list; |
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}; |
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struct nfsd4_free_stateid { stateid_t fr_stateid; /* request */ |
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}; |
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/* also used for NVERIFY */ struct nfsd4_verify { |
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u32 ve_bmval[3]; /* request */ |
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u32 ve_attrlen; /* request */ char * ve_attrval; /* request */ }; struct nfsd4_write { stateid_t wr_stateid; /* request */ u64 wr_offset; /* request */ u32 wr_stable_how; /* request */ u32 wr_buflen; /* request */ |
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struct kvec wr_head; struct page ** wr_pagelist; /* request */ |
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u32 wr_bytes_written; /* response */ u32 wr_how_written; /* response */ nfs4_verifier wr_verifier; /* response */ }; |
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struct nfsd4_exchange_id { |
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nfs4_verifier verifier; struct xdr_netobj clname; u32 flags; clientid_t clientid; u32 seqid; int spa_how; |
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u32 spo_must_enforce[3]; u32 spo_must_allow[3]; |
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struct xdr_netobj nii_domain; struct xdr_netobj nii_name; struct timespec64 nii_time; |
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}; |
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struct nfsd4_sequence { |
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struct nfs4_sessionid sessionid; /* request/response */ u32 seqid; /* request/response */ u32 slotid; /* request/response */ u32 maxslots; /* request/response */ u32 cachethis; /* request */ #if 0 u32 target_maxslots; /* response */ |
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#endif /* not yet */ |
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u32 status_flags; /* response */ |
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}; struct nfsd4_destroy_session { |
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struct nfs4_sessionid sessionid; |
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}; |
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struct nfsd4_destroy_clientid { clientid_t clientid; }; |
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struct nfsd4_reclaim_complete { u32 rca_one_fs; }; |
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struct nfsd4_deviceid { u64 fsid_idx; u32 generation; u32 pad; }; struct nfsd4_layout_seg { u32 iomode; u64 offset; u64 length; }; struct nfsd4_getdeviceinfo { struct nfsd4_deviceid gd_devid; /* request */ u32 gd_layout_type; /* request */ u32 gd_maxcount; /* request */ u32 gd_notify_types;/* request - response */ void *gd_device; /* response */ }; struct nfsd4_layoutget { u64 lg_minlength; /* request */ u32 lg_signal; /* request */ u32 lg_layout_type; /* request */ u32 lg_maxcount; /* request */ stateid_t lg_sid; /* request/response */ struct nfsd4_layout_seg lg_seg; /* request/response */ void *lg_content; /* response */ }; struct nfsd4_layoutcommit { stateid_t lc_sid; /* request */ struct nfsd4_layout_seg lc_seg; /* request */ u32 lc_reclaim; /* request */ u32 lc_newoffset; /* request */ u64 lc_last_wr; /* request */ |
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struct timespec64 lc_mtime; /* request */ |
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u32 lc_layout_type; /* request */ u32 lc_up_len; /* layout length */ void *lc_up_layout; /* decoded by callback */ u32 lc_size_chg; /* boolean for response */ u64 lc_newsize; /* response */ }; struct nfsd4_layoutreturn { u32 lr_return_type; /* request */ u32 lr_layout_type; /* request */ struct nfsd4_layout_seg lr_seg; /* request */ u32 lr_reclaim; /* request */ u32 lrf_body_len; /* request */ void *lrf_body; /* request */ stateid_t lr_sid; /* request/response */ u32 lrs_present; /* response */ }; |
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struct nfsd4_fallocate { /* request */ stateid_t falloc_stateid; loff_t falloc_offset; u64 falloc_length; }; |
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struct nfsd4_clone { /* request */ stateid_t cl_src_stateid; stateid_t cl_dst_stateid; u64 cl_src_pos; u64 cl_dst_pos; u64 cl_count; }; |
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struct nfsd42_write_res { u64 wr_bytes_written; u32 wr_stable_how; nfs4_verifier wr_verifier; |
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stateid_t cb_stateid; |
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}; struct nfsd4_copy { /* request */ |
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stateid_t cp_src_stateid; stateid_t cp_dst_stateid; u64 cp_src_pos; u64 cp_dst_pos; u64 cp_count; struct nl4_server cp_src; bool cp_intra; |
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/* both */ |
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bool cp_synchronous; /* response */ struct nfsd42_write_res cp_res; |
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/* for cb_offload */ struct nfsd4_callback cp_cb; __be32 nfserr; struct knfsd_fh fh; |
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struct nfs4_client *cp_clp; |
5c4583b2b nfsd: hook up nfs... |
544 545 |
struct nfsd_file *nf_src; struct nfsd_file *nf_dst; |
e0639dc58 NFSD introduce as... |
546 |
|
624322f1a NFSD add COPY_NOT... |
547 |
copy_stateid_t cp_stateid; |
e0639dc58 NFSD introduce as... |
548 549 550 551 552 |
struct list_head copies; struct task_struct *copy_task; refcount_t refcount; bool stopped; |
ce0887ac9 NFSD add nfs4 int... |
553 554 555 556 |
struct vfsmount *ss_mnt; struct nfs_fh c_fh; nfs4_stateid stateid; |
29ae7f9dc NFSD: Implement t... |
557 |
}; |
ce0887ac9 NFSD add nfs4 int... |
558 |
extern bool inter_copy_offload_enable; |
29ae7f9dc NFSD: Implement t... |
559 |
|
24bab4912 NFSD: Implement SEEK |
560 561 562 563 564 565 566 567 568 569 |
struct nfsd4_seek { /* request */ stateid_t seek_stateid; loff_t seek_offset; u32 seek_whence; /* response */ u32 seek_eof; loff_t seek_pos; }; |
6308bc98e NFSD OFFLOAD_STAT... |
570 571 572 573 574 575 576 577 |
struct nfsd4_offload_status { /* request */ stateid_t stateid; /* response */ u64 count; u32 status; }; |
51911868f NFSD COPY_NOTIFY xdr |
578 579 580 581 582 583 584 585 586 587 588 |
struct nfsd4_copy_notify { /* request */ stateid_t cpn_src_stateid; struct nl4_server cpn_dst; /* response */ stateid_t cpn_cnr_stateid; u64 cpn_sec; u32 cpn_nsec; struct nl4_server cpn_src; }; |
1da177e4c Linux-2.6.12-rc2 |
589 590 |
struct nfsd4_op { int opnum; |
f4f9ef4a1 nfsd4: opdesc wil... |
591 |
const struct nfsd4_operation * opdesc; |
b37ad28bc [PATCH] nfsd: nfs... |
592 |
__be32 status; |
b60e98598 nfsd4: properly t... |
593 |
union nfsd4_op_u { |
1da177e4c Linux-2.6.12-rc2 |
594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 |
struct nfsd4_access access; struct nfsd4_close close; struct nfsd4_commit commit; struct nfsd4_create create; struct nfsd4_delegreturn delegreturn; struct nfsd4_getattr getattr; struct svc_fh * getfh; struct nfsd4_link link; struct nfsd4_lock lock; struct nfsd4_lockt lockt; struct nfsd4_locku locku; struct nfsd4_lookup lookup; struct nfsd4_verify nverify; struct nfsd4_open open; struct nfsd4_open_confirm open_confirm; struct nfsd4_open_downgrade open_downgrade; struct nfsd4_putfh putfh; struct nfsd4_read read; struct nfsd4_readdir readdir; struct nfsd4_readlink readlink; struct nfsd4_remove remove; struct nfsd4_rename rename; clientid_t renew; |
dcb488a3b knfsd: nfsd4: imp... |
617 |
struct nfsd4_secinfo secinfo; |
1da177e4c Linux-2.6.12-rc2 |
618 619 620 621 622 623 |
struct nfsd4_setattr setattr; struct nfsd4_setclientid setclientid; struct nfsd4_setclientid_confirm setclientid_confirm; struct nfsd4_verify verify; struct nfsd4_write write; struct nfsd4_release_lockowner release_lockowner; |
2db134eb3 nfsd41: xdr infra... |
624 625 626 |
/* NFSv4.1 */ struct nfsd4_exchange_id exchange_id; |
cb73a9f46 nfsd4: implement ... |
627 |
struct nfsd4_backchannel_ctl backchannel_ctl; |
1d1bc8f20 nfsd4: support BI... |
628 |
struct nfsd4_bind_conn_to_session bind_conn_to_session; |
2db134eb3 nfsd41: xdr infra... |
629 630 |
struct nfsd4_create_session create_session; struct nfsd4_destroy_session destroy_session; |
eb69853da nfsd4: properly t... |
631 |
struct nfsd4_destroy_clientid destroy_clientid; |
2db134eb3 nfsd41: xdr infra... |
632 |
struct nfsd4_sequence sequence; |
4dc6ec00f nfsd4: implement ... |
633 |
struct nfsd4_reclaim_complete reclaim_complete; |
174568045 NFSD: Added TEST_... |
634 |
struct nfsd4_test_stateid test_stateid; |
e1ca12dfb NFSD: added FREE_... |
635 |
struct nfsd4_free_stateid free_stateid; |
9cf514ccf nfsd: implement p... |
636 637 638 639 |
struct nfsd4_getdeviceinfo getdeviceinfo; struct nfsd4_layoutget layoutget; struct nfsd4_layoutcommit layoutcommit; struct nfsd4_layoutreturn layoutreturn; |
eb69853da nfsd4: properly t... |
640 |
struct nfsd4_secinfo_no_name secinfo_no_name; |
24bab4912 NFSD: Implement SEEK |
641 642 |
/* NFSv4.2 */ |
95d871f03 nfsd: Add ALLOCAT... |
643 |
struct nfsd4_fallocate allocate; |
b0cb90852 nfsd: Add DEALLOC... |
644 |
struct nfsd4_fallocate deallocate; |
ffa0160a1 nfsd: implement t... |
645 |
struct nfsd4_clone clone; |
29ae7f9dc NFSD: Implement t... |
646 |
struct nfsd4_copy copy; |
6308bc98e NFSD OFFLOAD_STAT... |
647 |
struct nfsd4_offload_status offload_status; |
51911868f NFSD COPY_NOTIFY xdr |
648 |
struct nfsd4_copy_notify copy_notify; |
24bab4912 NFSD: Implement SEEK |
649 |
struct nfsd4_seek seek; |
6178713bd nfsd: add structu... |
650 651 652 653 654 |
struct nfsd4_getxattr getxattr; struct nfsd4_setxattr setxattr; struct nfsd4_listxattrs listxattrs; struct nfsd4_removexattr removexattr; |
1da177e4c Linux-2.6.12-rc2 |
655 656 657 |
} u; struct nfs4_replay * replay; }; |
1091006c5 nfsd: turn on rep... |
658 |
bool nfsd4_cache_this_op(struct nfsd4_op *); |
d5e233832 nfsd4: replace de... |
659 660 661 662 663 664 665 |
/* * Memory needed just for the duration of processing one compound: */ struct svcxdr_tmpbuf { struct svcxdr_tmpbuf *next; char buf[]; }; |
1da177e4c Linux-2.6.12-rc2 |
666 667 |
struct nfsd4_compoundargs { /* scratch variables for XDR decode */ |
2ebbc012a [PATCH] xdr annot... |
668 669 |
__be32 * p; __be32 * end; |
1da177e4c Linux-2.6.12-rc2 |
670 671 |
struct page ** pagelist; int pagelen; |
eae03e2ac nfsd: Incoming xd... |
672 |
bool tail; |
2ebbc012a [PATCH] xdr annot... |
673 674 |
__be32 tmp[8]; __be32 * tmpp; |
d5e233832 nfsd4: replace de... |
675 |
struct svcxdr_tmpbuf *to_free; |
1da177e4c Linux-2.6.12-rc2 |
676 677 678 679 680 681 682 683 684 |
struct svc_rqst *rqstp; u32 taglen; char * tag; u32 minorversion; u32 opcnt; struct nfsd4_op *ops; struct nfsd4_op iops[8]; |
1091006c5 nfsd: turn on rep... |
685 |
int cachetype; |
1da177e4c Linux-2.6.12-rc2 |
686 687 688 689 |
}; struct nfsd4_compoundres { /* scratch variables for XDR encode */ |
4aea24b2f nfsd4: embed xdr_... |
690 |
struct xdr_stream xdr; |
1da177e4c Linux-2.6.12-rc2 |
691 692 693 694 695 |
struct svc_rqst * rqstp; u32 taglen; char * tag; u32 opcnt; |
e354d571b nfsd: embed nfsd4... |
696 697 |
__be32 * tagp; /* tag, opcount encode location */ struct nfsd4_compound_state cstate; |
1da177e4c Linux-2.6.12-rc2 |
698 |
}; |
bf864a31d nfsd41: non-page ... |
699 700 701 |
static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) { struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; |
468de9e54 nfsd41: expand so... |
702 |
return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
bf864a31d nfsd41: non-page ... |
703 |
} |
085def3ad nfsd4: fix cached... |
704 705 706 707 708 709 710 711 712 713 |
/* * The session reply cache only needs to cache replies that the client * actually asked us to. But it's almost free for us to cache compounds * consisting of only a SEQUENCE op, so we may as well cache those too. * Also, the protocol doesn't give us a convenient response in the case * of a replay of a solo SEQUENCE op that wasn't cached * (RETRY_UNCACHED_REP can only be returned in the second op of a * compound). */ static inline bool nfsd4_cache_this(struct nfsd4_compoundres *resp) |
bf864a31d nfsd41: non-page ... |
714 |
{ |
085def3ad nfsd4: fix cached... |
715 |
return (resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) |
73e79482b nfsd4: rearrange ... |
716 |
|| nfsd4_is_solo_sequence(resp); |
bf864a31d nfsd41: non-page ... |
717 |
} |
9b3234b92 nfsd4: disable ze... |
718 719 720 721 722 723 724 |
static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) { struct nfsd4_compoundres *resp = rqstp->rq_resp; struct nfsd4_compoundargs *argp = rqstp->rq_argp; return argp->opcnt == resp->opcnt; } |
f4f9ef4a1 nfsd4: opdesc wil... |
725 |
const struct nfsd4_operation *OPDESC(struct nfsd4_op *op); |
4f0cefbf3 nfsd4: more preci... |
726 |
int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); |
07d1f8020 nfsd4: fix encodi... |
727 |
void warn_on_nonidempotent_op(struct nfsd4_op *op); |
1da177e4c Linux-2.6.12-rc2 |
728 729 730 731 732 |
#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) static inline void set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) { |
c1ac3ffcd nfsd: Fix possibl... |
733 |
BUG_ON(!fhp->fh_pre_saved); |
aaf91ec14 nfsd: switch unsi... |
734 |
cinfo->atomic = (u32)fhp->fh_post_saved; |
2b0143b5c VFS: normal files... |
735 |
cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); |
c1ac3ffcd nfsd: Fix possibl... |
736 737 738 739 740 741 742 |
cinfo->before_change = fhp->fh_pre_change; cinfo->after_change = fhp->fh_post_change; cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; |
1da177e4c Linux-2.6.12-rc2 |
743 |
} |
dedeb13f9 nfsd: allow mach_... |
744 745 |
bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp); |
dcc46991d NFSD: Encoder and... |
746 |
int nfs4svc_decode_voidarg(struct svc_rqst *, __be32 *); |
63f8de379 sunrpc: properly ... |
747 |
int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *); |
026fec7e7 sunrpc: properly ... |
748 |
int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *); |
63f8de379 sunrpc: properly ... |
749 |
int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *); |
57b7b43b4 nfsd4: int/__be32... |
750 |
__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); |
1da177e4c Linux-2.6.12-rc2 |
751 |
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
d0a381dd0 nfsd4: teach enco... |
752 |
void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); |
d51846586 nfsd4: tweak nfsd... |
753 754 755 756 |
__be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, struct svc_fh *fhp, struct svc_export *exp, struct dentry *dentry, u32 *bmval, struct svc_rqst *, int ignore_crossmnt); |
b37ad28bc [PATCH] nfsd: nfs... |
757 |
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
758 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28bc [PATCH] nfsd: nfs... |
759 |
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
760 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4b nfsd41: proc stubs |
761 |
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
762 763 764 765 766 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, union nfsd4_op_u *u); |
3c4ab2aaa nfsd4: indentatio... |
767 |
extern __be32 nfsd4_create_session(struct svc_rqst *, |
eb69853da nfsd4: properly t... |
768 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
069b6ad4b nfsd41: proc stubs |
769 |
extern __be32 nfsd4_sequence(struct svc_rqst *, |
eb69853da nfsd4: properly t... |
770 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b607664ee nfsd: Cleanup nfs... |
771 |
extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); |
069b6ad4b nfsd41: proc stubs |
772 |
extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
eb69853da nfsd4: properly t... |
773 774 775 776 777 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, union nfsd4_op_u *u); __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, union nfsd4_op_u *u); |
6668958fa nfsd41: stateid h... |
778 |
extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
3320fef19 nfsd: use service... |
779 |
struct nfsd4_open *open, struct nfsd_net *nn); |
b37ad28bc [PATCH] nfsd: nfs... |
780 |
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
1da177e4c Linux-2.6.12-rc2 |
781 |
struct svc_fh *current_fh, struct nfsd4_open *open); |
58fb12e6a nfsd: Add a mutex... |
782 783 |
extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, |
422978999 nfsd: remove unus... |
784 |
struct nfsd4_open *open); |
b37ad28bc [PATCH] nfsd: nfs... |
785 |
extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
786 787 788 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28bc [PATCH] nfsd: nfs... |
789 |
extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
790 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
ca3643171 [PATCH] knfsd: nf... |
791 |
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
eb69853da nfsd4: properly t... |
792 793 794 795 796 |
union nfsd4_op_u *u); extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *, union nfsd4_op_u *u); |
b37ad28bc [PATCH] nfsd: nfs... |
797 |
extern __be32 |
1da177e4c Linux-2.6.12-rc2 |
798 |
nfsd4_release_lockowner(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
799 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); |
8537488b5 sunrpc: properly ... |
800 |
extern void nfsd4_release_compoundargs(struct svc_rqst *rqstp); |
b37ad28bc [PATCH] nfsd: nfs... |
801 |
extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
802 803 804 |
struct nfsd4_compound_state *, union nfsd4_op_u *u); extern __be32 nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *, union nfsd4_op_u *u); |
174568045 NFSD: Added TEST_... |
805 |
extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
806 |
struct nfsd4_compound_state *, union nfsd4_op_u *); |
e1ca12dfb NFSD: added FREE_... |
807 |
extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, |
eb69853da nfsd4: properly t... |
808 |
struct nfsd4_compound_state *, union nfsd4_op_u *); |
9411b1d4c nfsd4: cleanup ha... |
809 |
extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); |
58fb12e6a nfsd: Add a mutex... |
810 |
|
0020939f2 nfsd4: move some ... |
811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 |
enum nfsd4_op_flags { ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */ ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */ ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */ /* For rfc 5661 section 2.6.3.1.1: */ OP_HANDLES_WRONGSEC = 1 << 3, OP_IS_PUTFH_LIKE = 1 << 4, /* * These are the ops whose result size we estimate before * encoding, to avoid performing an op then not being able to * respond or cache a response. This includes writes and setattrs * as well as the operations usually called "nonidempotent": */ OP_MODIFIES_SOMETHING = 1 << 5, /* * Cache compounds containing these ops in the xid-based drc: * We use the DRC for compounds containing non-idempotent * operations, *except* those that are 4.1-specific (since * sessions provide their own EOS), and except for stateful * operations other than setclientid and setclientid_confirm * (since sequence numbers provide EOS for open, lock, etc in * the v4.0 case). */ OP_CACHEME = 1 << 6, /* * These are ops which clear current state id. */ OP_CLEAR_STATEID = 1 << 7, |
b7571e4cd nfsd4: skip encod... |
839 840 |
/* Most ops return only an error on failure; some may do more: */ OP_NONTRIVIAL_ERROR_ENCODE = 1 << 8, |
0020939f2 nfsd4: move some ... |
841 842 843 844 845 |
}; struct nfsd4_operation { __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *, union nfsd4_op_u *); |
34b1744c9 nfsd4: define ->o... |
846 |
void (*op_release)(union nfsd4_op_u *); |
0020939f2 nfsd4: move some ... |
847 848 849 850 851 852 853 854 855 |
u32 op_flags; char *op_name; /* Try to get response size before operation */ u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *); void (*op_get_currentstateid)(struct nfsd4_compound_state *, union nfsd4_op_u *); void (*op_set_currentstateid)(struct nfsd4_compound_state *, union nfsd4_op_u *); }; |
1da177e4c Linux-2.6.12-rc2 |
856 857 858 859 860 861 862 |
#endif /* * Local variables: * c-basic-offset: 8 * End: */ |