| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Neil Brown | 284 | 14.62% | 32 | 19.88% |
| Linus Torvalds (pre-git) | 256 | 13.18% | 14 | 8.70% |
| J. Bruce Fields | 205 | 10.56% | 21 | 13.04% |
| Olga Kornievskaia | 192 | 9.89% | 3 | 1.86% |
| Marc Eshel | 155 | 7.98% | 1 | 0.62% |
| Trond Myklebust | 113 | 5.82% | 7 | 4.35% |
| Stanislav Kinsbursky | 86 | 4.43% | 8 | 4.97% |
| Harvey Harrison | 71 | 3.66% | 2 | 1.24% |
| Andy Adamson | 59 | 3.04% | 4 | 2.48% |
| Chuck Lever | 51 | 2.63% | 7 | 4.35% |
| Lorenzo Bianconi | 49 | 2.52% | 2 | 1.24% |
| Dai Ngo | 48 | 2.47% | 8 | 4.97% |
| Steve Dickson | 48 | 2.47% | 4 | 2.48% |
| Christoph Hellwig | 39 | 2.01% | 6 | 3.73% |
| Andreas Gruenbacher | 39 | 2.01% | 2 | 1.24% |
| Jeff Layton | 32 | 1.65% | 5 | 3.11% |
| David P. Quigley | 30 | 1.54% | 1 | 0.62% |
| Kendrick M. Smith | 30 | 1.54% | 2 | 1.24% |
| Greg Banks | 23 | 1.18% | 2 | 1.24% |
| Andrew Morton | 22 | 1.13% | 6 | 3.73% |
| Benny Halevy | 21 | 1.08% | 2 | 1.24% |
| Andrew Elble | 14 | 0.72% | 1 | 0.62% |
| Anna Schumaker | 13 | 0.67% | 3 | 1.86% |
| Al Viro | 10 | 0.51% | 3 | 1.86% |
| Mike Snitzer | 10 | 0.51% | 1 | 0.62% |
| Linus Torvalds | 9 | 0.46% | 2 | 1.24% |
| van der Linden, Frank | 8 | 0.41% | 1 | 0.62% |
| Josef Whiter | 5 | 0.26% | 1 | 0.62% |
| Meelap Shah | 4 | 0.21% | 1 | 0.62% |
| David Howells | 3 | 0.15% | 1 | 0.62% |
| Stephen Rothwell | 3 | 0.15% | 1 | 0.62% |
| Zhang Yanfei | 3 | 0.15% | 1 | 0.62% |
| Amir Goldstein | 2 | 0.10% | 1 | 0.62% |
| Greg Kroah-Hartman | 1 | 0.05% | 1 | 0.62% |
| Jesper Juhl | 1 | 0.05% | 1 | 0.62% |
| Mark Salter | 1 | 0.05% | 1 | 0.62% |
| Ondrej Valousek | 1 | 0.05% | 1 | 0.62% |
| James Morris | 1 | 0.05% | 1 | 0.62% |
| Total | 1942 | 161 |
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/* SPDX-License-Identifier: GPL-2.0 */ /* * Hodge-podge collection of knfsd-related stuff. * I will sort this out later. * * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> */ #ifndef LINUX_NFSD_NFSD_H #define LINUX_NFSD_NFSD_H #include <linux/types.h> #include <linux/mount.h> #include <linux/nfs.h> #include <linux/nfs2.h> #include <linux/nfs3.h> #include <linux/nfs4.h> #include <linux/sunrpc/svc.h> #include <linux/sunrpc/svc_xprt.h> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/addr.h> #include <uapi/linux/nfsd/debug.h> #include "export.h" #undef ifdebug #ifdef CONFIG_SUNRPC_DEBUG # define ifdebug(flag) if (nfsd_debug & NFSDDBG_##flag) #else # define ifdebug(flag) if (0) #endif /* * nfsd version */ #define NFSD_MINVERS 2 #define NFSD_MAXVERS 4 #define NFSD_SUPPORTED_MINOR_VERSION 2 bool nfsd_support_version(int vers); #include "netns.h" #include "stats.h" /* * Maximum blocksizes supported by daemon under various circumstances. */ #define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD /* NFSv2 is limited by the protocol specification, see RFC 1094 */ #define NFSSVC_MAXBLKSIZE_V2 (8*1024) /* * Largest number of bytes we need to allocate for an NFS * call or reply. Used to control buffer sizes. We use * the length of v3 WRITE, READDIR and READDIR replies * which are an RPC header, up to 26 XDR units of reply * data, and some page data. * * Note that accuracy here doesn't matter too much as the * size is rounded up to a page size when allocating space. */ #define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE) struct readdir_cd { __be32 err; /* 0, nfserr, or nfserr_eof */ }; /* Maximum number of operations per session compound */ #define NFSD_MAX_OPS_PER_COMPOUND 50 struct nfsd_genl_rqstp { struct sockaddr rq_daddr; struct sockaddr rq_saddr; unsigned long rq_flags; ktime_t rq_stime; __be32 rq_xid; u32 rq_vers; u32 rq_prog; u32 rq_proc; /* NFSv4 compound */ u32 rq_opcnt; u32 rq_opnum[NFSD_MAX_OPS_PER_COMPOUND]; }; extern struct svc_program nfsd_programs[]; extern const struct svc_version nfsd_version2, nfsd_version3, nfsd_version4; extern struct mutex nfsd_mutex; extern spinlock_t nfsd_drc_lock; extern unsigned long nfsd_drc_max_mem; extern unsigned long nfsd_drc_mem_used; extern atomic_t nfsd_th_cnt; /* number of available threads */ extern const struct seq_operations nfs_exports_op; /* * Common void argument and result helpers */ struct nfsd_voidargs { }; struct nfsd_voidres { }; bool nfssvc_decode_voidarg(struct svc_rqst *rqstp, struct xdr_stream *xdr); bool nfssvc_encode_voidres(struct svc_rqst *rqstp, struct xdr_stream *xdr); /* * Function prototypes. */ int nfsd_svc(int n, int *nservers, struct net *net, const struct cred *cred, const char *scope); int nfsd_dispatch(struct svc_rqst *rqstp); int nfsd_nrthreads(struct net *); int nfsd_nrpools(struct net *); int nfsd_get_nrthreads(int n, int *, struct net *); int nfsd_set_nrthreads(int n, int *, struct net *); void nfsd_shutdown_threads(struct net *net); struct svc_rqst *nfsd_current_rqst(void); struct nfsdfs_client { struct kref cl_ref; void (*cl_release)(struct kref *kref); }; struct nfsdfs_client *get_nfsdfs_client(struct inode *); struct dentry *nfsd_client_mkdir(struct nfsd_net *nn, struct nfsdfs_client *ncl, u32 id, const struct tree_descr *, struct dentry **fdentries); void nfsd_client_rmdir(struct dentry *dentry); #if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) #ifdef CONFIG_NFSD_V2_ACL extern const struct svc_version nfsd_acl_version2; #else #define nfsd_acl_version2 NULL #endif #ifdef CONFIG_NFSD_V3_ACL extern const struct svc_version nfsd_acl_version3; #else #define nfsd_acl_version3 NULL #endif #endif #if IS_ENABLED(CONFIG_NFS_LOCALIO) extern const struct svc_version localio_version1; #endif struct nfsd_net; enum vers_op {NFSD_SET, NFSD_CLEAR, NFSD_TEST, NFSD_AVAIL }; int nfsd_vers(struct nfsd_net *nn, int vers, enum vers_op change); int nfsd_minorversion(struct nfsd_net *nn, u32 minorversion, enum vers_op change); void nfsd_reset_versions(struct nfsd_net *nn); int nfsd_create_serv(struct net *net); void nfsd_destroy_serv(struct net *net); extern int nfsd_max_blksize; static inline int nfsd_v4client(struct svc_rqst *rq) { return rq && rq->rq_prog == NFS_PROGRAM && rq->rq_vers == 4; } static inline struct user_namespace * nfsd_user_namespace(const struct svc_rqst *rqstp) { const struct cred *cred = rqstp->rq_xprt->xpt_cred; return cred ? cred->user_ns : &init_user_ns; } /* * NFSv4 State */ #ifdef CONFIG_NFSD_V4 extern unsigned long max_delegations; int nfsd4_init_slabs(void); void nfsd4_free_slabs(void); int nfs4_state_start(void); int nfs4_state_start_net(struct net *net); void nfs4_state_shutdown(void); void nfs4_state_shutdown_net(struct net *net); int nfs4_reset_recoverydir(char *recdir); char * nfs4_recoverydir(void); bool nfsd4_spo_must_allow(struct svc_rqst *rqstp); int nfsd4_create_laundry_wq(void); void nfsd4_destroy_laundry_wq(void); bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp, struct inode *inode); #else static inline int nfsd4_init_slabs(void) { return 0; } static inline void nfsd4_free_slabs(void) { } static inline int nfs4_state_start(void) { return 0; } static inline int nfs4_state_start_net(struct net *net) { return 0; } static inline void nfs4_state_shutdown(void) { } static inline void nfs4_state_shutdown_net(struct net *net) { } static inline int nfs4_reset_recoverydir(char *recdir) { return 0; } static inline char * nfs4_recoverydir(void) {return NULL; } static inline bool nfsd4_spo_must_allow(struct svc_rqst *rqstp) { return false; } static inline int nfsd4_create_laundry_wq(void) { return 0; }; static inline void nfsd4_destroy_laundry_wq(void) {}; static inline bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp, struct inode *inode) { return false; } #endif /* * lockd binding */ void nfsd_lockd_init(void); void nfsd_lockd_shutdown(void); /* * These macros provide pre-xdr'ed values for faster operation. */ #define nfs_ok cpu_to_be32(NFS_OK) #define nfserr_perm cpu_to_be32(NFSERR_PERM) #define nfserr_noent cpu_to_be32(NFSERR_NOENT) #define nfserr_io cpu_to_be32(NFSERR_IO) #define nfserr_nxio cpu_to_be32(NFSERR_NXIO) #define nfserr_eagain cpu_to_be32(NFSERR_EAGAIN) #define nfserr_acces cpu_to_be32(NFSERR_ACCES) #define nfserr_exist cpu_to_be32(NFSERR_EXIST) #define nfserr_xdev cpu_to_be32(NFSERR_XDEV) #define nfserr_nodev cpu_to_be32(NFSERR_NODEV) #define nfserr_notdir cpu_to_be32(NFSERR_NOTDIR) #define nfserr_isdir cpu_to_be32(NFSERR_ISDIR) #define nfserr_inval cpu_to_be32(NFSERR_INVAL) #define nfserr_fbig cpu_to_be32(NFSERR_FBIG) #define nfserr_nospc cpu_to_be32(NFSERR_NOSPC) #define nfserr_rofs cpu_to_be32(NFSERR_ROFS) #define nfserr_mlink cpu_to_be32(NFSERR_MLINK) #define nfserr_nametoolong cpu_to_be32(NFSERR_NAMETOOLONG) #define nfserr_notempty cpu_to_be32(NFSERR_NOTEMPTY) #define nfserr_dquot cpu_to_be32(NFSERR_DQUOT) #define nfserr_stale cpu_to_be32(NFSERR_STALE) #define nfserr_remote cpu_to_be32(NFSERR_REMOTE) #define nfserr_wflush cpu_to_be32(NFSERR_WFLUSH) #define nfserr_badhandle cpu_to_be32(NFSERR_BADHANDLE) #define nfserr_notsync cpu_to_be32(NFSERR_NOT_SYNC) #define nfserr_badcookie cpu_to_be32(NFSERR_BAD_COOKIE) #define nfserr_notsupp cpu_to_be32(NFSERR_NOTSUPP) #define nfserr_toosmall cpu_to_be32(NFSERR_TOOSMALL) #define nfserr_serverfault cpu_to_be32(NFSERR_SERVERFAULT) #define nfserr_badtype cpu_to_be32(NFSERR_BADTYPE) #define nfserr_jukebox cpu_to_be32(NFSERR_JUKEBOX) #define nfserr_denied cpu_to_be32(NFSERR_DENIED) #define nfserr_deadlock cpu_to_be32(NFSERR_DEADLOCK) #define nfserr_expired cpu_to_be32(NFSERR_EXPIRED) #define nfserr_bad_cookie cpu_to_be32(NFSERR_BAD_COOKIE) #define nfserr_same cpu_to_be32(NFSERR_SAME) #define nfserr_clid_inuse cpu_to_be32(NFSERR_CLID_INUSE) #define nfserr_stale_clientid cpu_to_be32(NFSERR_STALE_CLIENTID) #define nfserr_resource cpu_to_be32(NFSERR_RESOURCE) #define nfserr_moved cpu_to_be32(NFSERR_MOVED) #define nfserr_nofilehandle cpu_to_be32(NFSERR_NOFILEHANDLE) #define nfserr_minor_vers_mismatch cpu_to_be32(NFSERR_MINOR_VERS_MISMATCH) #define nfserr_share_denied cpu_to_be32(NFSERR_SHARE_DENIED) #define nfserr_stale_stateid cpu_to_be32(NFSERR_STALE_STATEID) #define nfserr_old_stateid cpu_to_be32(NFSERR_OLD_STATEID) #define nfserr_bad_stateid cpu_to_be32(NFSERR_BAD_STATEID) #define nfserr_bad_seqid cpu_to_be32(NFSERR_BAD_SEQID) #define nfserr_symlink cpu_to_be32(NFSERR_SYMLINK) #define nfserr_not_same cpu_to_be32(NFSERR_NOT_SAME) #define nfserr_lock_range cpu_to_be32(NFSERR_LOCK_RANGE) #define nfserr_restorefh cpu_to_be32(NFSERR_RESTOREFH) #define nfserr_attrnotsupp cpu_to_be32(NFSERR_ATTRNOTSUPP) #define nfserr_bad_xdr cpu_to_be32(NFSERR_BAD_XDR) #define nfserr_openmode cpu_to_be32(NFSERR_OPENMODE) #define nfserr_badowner cpu_to_be32(NFSERR_BADOWNER) #define nfserr_locks_held cpu_to_be32(NFSERR_LOCKS_HELD) #define nfserr_op_illegal cpu_to_be32(NFSERR_OP_ILLEGAL) #define nfserr_grace cpu_to_be32(NFSERR_GRACE) #define nfserr_no_grace cpu_to_be32(NFSERR_NO_GRACE) #define nfserr_reclaim_bad cpu_to_be32(NFSERR_RECLAIM_BAD) #define nfserr_badname cpu_to_be32(NFSERR_BADNAME) #define nfserr_admin_revoked cpu_to_be32(NFS4ERR_ADMIN_REVOKED) #define nfserr_cb_path_down cpu_to_be32(NFSERR_CB_PATH_DOWN) #define nfserr_locked cpu_to_be32(NFSERR_LOCKED) #define nfserr_wrongsec cpu_to_be32(NFSERR_WRONGSEC) #define nfserr_badiomode cpu_to_be32(NFS4ERR_BADIOMODE) #define nfserr_badlayout cpu_to_be32(NFS4ERR_BADLAYOUT) #define nfserr_bad_session_digest cpu_to_be32(NFS4ERR_BAD_SESSION_DIGEST) #define nfserr_badsession cpu_to_be32(NFS4ERR_BADSESSION) #define nfserr_badslot cpu_to_be32(NFS4ERR_BADSLOT) #define nfserr_complete_already cpu_to_be32(NFS4ERR_COMPLETE_ALREADY) #define nfserr_conn_not_bound_to_session cpu_to_be32(NFS4ERR_CONN_NOT_BOUND_TO_SESSION) #define nfserr_deleg_already_wanted cpu_to_be32(NFS4ERR_DELEG_ALREADY_WANTED) #define nfserr_back_chan_busy cpu_to_be32(NFS4ERR_BACK_CHAN_BUSY) #define nfserr_layouttrylater cpu_to_be32(NFS4ERR_LAYOUTTRYLATER) #define nfserr_layoutunavailable cpu_to_be32(NFS4ERR_LAYOUTUNAVAILABLE) #define nfserr_nomatching_layout cpu_to_be32(NFS4ERR_NOMATCHING_LAYOUT) #define nfserr_recallconflict cpu_to_be32(NFS4ERR_RECALLCONFLICT) #define nfserr_unknown_layouttype cpu_to_be32(NFS4ERR_UNKNOWN_LAYOUTTYPE) #define nfserr_seq_misordered cpu_to_be32(NFS4ERR_SEQ_MISORDERED) #define nfserr_sequence_pos cpu_to_be32(NFS4ERR_SEQUENCE_POS) #define nfserr_req_too_big cpu_to_be32(NFS4ERR_REQ_TOO_BIG) #define nfserr_rep_too_big cpu_to_be32(NFS4ERR_REP_TOO_BIG) #define nfserr_rep_too_big_to_cache cpu_to_be32(NFS4ERR_REP_TOO_BIG_TO_CACHE) #define nfserr_retry_uncached_rep cpu_to_be32(NFS4ERR_RETRY_UNCACHED_REP) #define nfserr_unsafe_compound cpu_to_be32(NFS4ERR_UNSAFE_COMPOUND) #define nfserr_too_many_ops cpu_to_be32(NFS4ERR_TOO_MANY_OPS) #define nfserr_op_not_in_session cpu_to_be32(NFS4ERR_OP_NOT_IN_SESSION) #define nfserr_hash_alg_unsupp cpu_to_be32(NFS4ERR_HASH_ALG_UNSUPP) #define nfserr_clientid_busy cpu_to_be32(NFS4ERR_CLIENTID_BUSY) #define nfserr_pnfs_io_hole cpu_to_be32(NFS4ERR_PNFS_IO_HOLE) #define nfserr_seq_false_retry cpu_to_be32(NFS4ERR_SEQ_FALSE_RETRY) #define nfserr_bad_high_slot cpu_to_be32(NFS4ERR_BAD_HIGH_SLOT) #define nfserr_deadsession cpu_to_be32(NFS4ERR_DEADSESSION) #define nfserr_encr_alg_unsupp cpu_to_be32(NFS4ERR_ENCR_ALG_UNSUPP) #define nfserr_pnfs_no_layout cpu_to_be32(NFS4ERR_PNFS_NO_LAYOUT) #define nfserr_not_only_op cpu_to_be32(NFS4ERR_NOT_ONLY_OP) #define nfserr_wrong_cred cpu_to_be32(NFS4ERR_WRONG_CRED) #define nfserr_wrong_type cpu_to_be32(NFS4ERR_WRONG_TYPE) #define nfserr_dirdeleg_unavail cpu_to_be32(NFS4ERR_DIRDELEG_UNAVAIL) #define nfserr_reject_deleg cpu_to_be32(NFS4ERR_REJECT_DELEG) #define nfserr_returnconflict cpu_to_be32(NFS4ERR_RETURNCONFLICT) #define nfserr_deleg_revoked cpu_to_be32(NFS4ERR_DELEG_REVOKED) #define nfserr_partner_notsupp cpu_to_be32(NFS4ERR_PARTNER_NOTSUPP) #define nfserr_partner_no_auth cpu_to_be32(NFS4ERR_PARTNER_NO_AUTH) #define nfserr_union_notsupp cpu_to_be32(NFS4ERR_UNION_NOTSUPP) #define nfserr_offload_denied cpu_to_be32(NFS4ERR_OFFLOAD_DENIED) #define nfserr_wrong_lfs cpu_to_be32(NFS4ERR_WRONG_LFS) #define nfserr_badlabel cpu_to_be32(NFS4ERR_BADLABEL) #define nfserr_file_open cpu_to_be32(NFS4ERR_FILE_OPEN) #define nfserr_xattr2big cpu_to_be32(NFS4ERR_XATTR2BIG) #define nfserr_noxattr cpu_to_be32(NFS4ERR_NOXATTR) /* * Error codes for internal use. We use enum to choose numbers that are * not already assigned, then covert to be32 resulting in a number that * cannot conflict with any existing be32 nfserr value. */ enum { NFSERR_DROPIT = NFS4ERR_FIRST_FREE, /* if a request fails due to kmalloc failure, it gets dropped. * Client should resend eventually */ #define nfserr_dropit cpu_to_be32(NFSERR_DROPIT) /* end-of-file indicator in readdir */ NFSERR_EOF, #define nfserr_eof cpu_to_be32(NFSERR_EOF) /* replay detected */ NFSERR_REPLAY_ME, #define nfserr_replay_me cpu_to_be32(NFSERR_REPLAY_ME) /* nfs41 replay detected */ NFSERR_REPLAY_CACHE, #define nfserr_replay_cache cpu_to_be32(NFSERR_REPLAY_CACHE) /* symlink found where dir expected - handled differently to * other symlink found errors by NFSv3. */ NFSERR_SYMLINK_NOT_DIR, #define nfserr_symlink_not_dir cpu_to_be32(NFSERR_SYMLINK_NOT_DIR) }; /* Check for dir entries '.' and '..' */ #define isdotent(n, l) (l < 3 && n[0] == '.' && (l == 1 || n[1] == '.')) #ifdef CONFIG_NFSD_V4 /* before processing a COMPOUND operation, we have to check that there * is enough space in the buffer for XDR encode to succeed. otherwise, * we might process an operation with side effects, and be unable to * tell the client that the operation succeeded. * * COMPOUND_SLACK_SPACE - this is the minimum bytes of buffer space * needed to encode an "ordinary" _successful_ operation. (GETATTR, * READ, READDIR, and READLINK have their own buffer checks.) if we * fall below this level, we fail the next operation with NFS4ERR_RESOURCE. * * COMPOUND_ERR_SLACK_SPACE - this is the minimum bytes of buffer space * needed to encode an operation which has failed with NFS4ERR_RESOURCE. * care is taken to ensure that we never fall below this level for any * reason. */ #define COMPOUND_SLACK_SPACE 140 /* OP_GETFH */ #define COMPOUND_ERR_SLACK_SPACE 16 /* OP_SETATTR */ #define NFSD_LAUNDROMAT_MINTIMEOUT 1 /* seconds */ #define NFSD_COURTESY_CLIENT_TIMEOUT (24 * 60 * 60) /* seconds */ #define NFSD_CLIENT_MAX_TRIM_PER_RUN 128 #define NFS4_CLIENTS_PER_GB 1024 #define NFSD_DELEGRETURN_TIMEOUT (HZ / 34) /* 30ms */ #define NFSD_CB_GETATTR_TIMEOUT NFSD_DELEGRETURN_TIMEOUT /* * The following attributes are currently not supported by the NFSv4 server: * ARCHIVE (deprecated anyway) * HIDDEN (unlikely to be supported any time soon) * MIMETYPE (unlikely to be supported any time soon) * QUOTA_* (will be supported in a forthcoming patch) * SYSTEM (unlikely to be supported any time soon) * TIME_BACKUP (unlikely to be supported any time soon) * TIME_CREATE (unlikely to be supported any time soon) */ #define NFSD4_SUPPORTED_ATTRS_WORD0 \ (FATTR4_WORD0_SUPPORTED_ATTRS | FATTR4_WORD0_TYPE | FATTR4_WORD0_FH_EXPIRE_TYPE \ | FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE | FATTR4_WORD0_LINK_SUPPORT \ | FATTR4_WORD0_SYMLINK_SUPPORT | FATTR4_WORD0_NAMED_ATTR | FATTR4_WORD0_FSID \ | FATTR4_WORD0_UNIQUE_HANDLES | FATTR4_WORD0_LEASE_TIME | FATTR4_WORD0_RDATTR_ERROR \ | FATTR4_WORD0_ACLSUPPORT | FATTR4_WORD0_CANSETTIME | FATTR4_WORD0_CASE_INSENSITIVE \ | FATTR4_WORD0_CASE_PRESERVING | FATTR4_WORD0_CHOWN_RESTRICTED \ | FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FILEID | FATTR4_WORD0_FILES_AVAIL \ | FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_HOMOGENEOUS \ | FATTR4_WORD0_MAXFILESIZE | FATTR4_WORD0_MAXLINK | FATTR4_WORD0_MAXNAME \ | FATTR4_WORD0_MAXREAD | FATTR4_WORD0_MAXWRITE | FATTR4_WORD0_ACL) #define NFSD4_SUPPORTED_ATTRS_WORD1 \ (FATTR4_WORD1_MODE | FATTR4_WORD1_NO_TRUNC | FATTR4_WORD1_NUMLINKS \ | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP | FATTR4_WORD1_RAWDEV \ | FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL \ | FATTR4_WORD1_SPACE_USED | FATTR4_WORD1_TIME_ACCESS | FATTR4_WORD1_TIME_ACCESS_SET \ | FATTR4_WORD1_TIME_DELTA | FATTR4_WORD1_TIME_METADATA | FATTR4_WORD1_TIME_CREATE \ | FATTR4_WORD1_TIME_MODIFY | FATTR4_WORD1_TIME_MODIFY_SET | FATTR4_WORD1_MOUNTED_ON_FILEID) #define NFSD4_SUPPORTED_ATTRS_WORD2 0 /* 4.1 */ #ifdef CONFIG_NFSD_PNFS #define PNFSD_SUPPORTED_ATTRS_WORD1 FATTR4_WORD1_FS_LAYOUT_TYPES #define PNFSD_SUPPORTED_ATTRS_WORD2 \ (FATTR4_WORD2_LAYOUT_BLKSIZE | FATTR4_WORD2_LAYOUT_TYPES) #else #define PNFSD_SUPPORTED_ATTRS_WORD1 0 #define PNFSD_SUPPORTED_ATTRS_WORD2 0 #endif /* CONFIG_NFSD_PNFS */ #define NFSD4_1_SUPPORTED_ATTRS_WORD0 \ NFSD4_SUPPORTED_ATTRS_WORD0 #define NFSD4_1_SUPPORTED_ATTRS_WORD1 \ (NFSD4_SUPPORTED_ATTRS_WORD1 | PNFSD_SUPPORTED_ATTRS_WORD1) #define NFSD4_1_SUPPORTED_ATTRS_WORD2 \ (NFSD4_SUPPORTED_ATTRS_WORD2 | PNFSD_SUPPORTED_ATTRS_WORD2 | \ FATTR4_WORD2_SUPPATTR_EXCLCREAT) /* 4.2 */ #ifdef CONFIG_NFSD_V4_SECURITY_LABEL #define NFSD4_2_SECURITY_ATTRS FATTR4_WORD2_SECURITY_LABEL #else #define NFSD4_2_SECURITY_ATTRS 0 #endif #define NFSD4_2_SUPPORTED_ATTRS_WORD2 \ (NFSD4_1_SUPPORTED_ATTRS_WORD2 | \ FATTR4_WORD2_MODE_UMASK | \ NFSD4_2_SECURITY_ATTRS | \ FATTR4_WORD2_XATTR_SUPPORT) extern const u32 nfsd_suppattrs[3][3]; static inline __be32 nfsd4_set_netaddr(struct sockaddr *addr, struct nfs42_netaddr *netaddr) { struct sockaddr_in *sin = (struct sockaddr_in *)addr; struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr; unsigned int port; size_t ret_addr, ret_port; switch (addr->sa_family) { case AF_INET: port = ntohs(sin->sin_port); sprintf(netaddr->netid, "tcp"); netaddr->netid_len = 3; break; case AF_INET6: port = ntohs(sin6->sin6_port); sprintf(netaddr->netid, "tcp6"); netaddr->netid_len = 4; break; default: return nfserr_inval; } ret_addr = rpc_ntop(addr, netaddr->addr, sizeof(netaddr->addr)); ret_port = snprintf(netaddr->addr + ret_addr, RPCBIND_MAXUADDRLEN + 1 - ret_addr, ".%u.%u", port >> 8, port & 0xff); WARN_ON(ret_port >= RPCBIND_MAXUADDRLEN + 1 - ret_addr); netaddr->addr_len = ret_addr + ret_port; return 0; } static inline bool bmval_is_subset(const u32 *bm1, const u32 *bm2) { return !((bm1[0] & ~bm2[0]) || (bm1[1] & ~bm2[1]) || (bm1[2] & ~bm2[2])); } static inline bool nfsd_attrs_supported(u32 minorversion, const u32 *bmval) { return bmval_is_subset(bmval, nfsd_suppattrs[minorversion]); } /* These will return ERR_INVAL if specified in GETATTR or READDIR. */ #define NFSD_WRITEONLY_ATTRS_WORD1 \ (FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET) /* * These are the only attrs allowed in CREATE/OPEN/SETATTR. Don't add * a writeable attribute here without also adding code to parse it to * nfsd4_decode_fattr(). */ #define NFSD_WRITEABLE_ATTRS_WORD0 \ (FATTR4_WORD0_SIZE | FATTR4_WORD0_ACL) #define NFSD_WRITEABLE_ATTRS_WORD1 \ (FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \ | FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_CREATE \ | FATTR4_WORD1_TIME_MODIFY_SET) #ifdef CONFIG_NFSD_V4_SECURITY_LABEL #define MAYBE_FATTR4_WORD2_SECURITY_LABEL \ FATTR4_WORD2_SECURITY_LABEL #else #define MAYBE_FATTR4_WORD2_SECURITY_LABEL 0 #endif #define NFSD_WRITEABLE_ATTRS_WORD2 \ (FATTR4_WORD2_MODE_UMASK \ | MAYBE_FATTR4_WORD2_SECURITY_LABEL) #define NFSD_SUPPATTR_EXCLCREAT_WORD0 \ NFSD_WRITEABLE_ATTRS_WORD0 /* * we currently store the exclusive create verifier in the v_{a,m}time * attributes so the client can't set these at create time using EXCLUSIVE4_1 */ #define NFSD_SUPPATTR_EXCLCREAT_WORD1 \ (NFSD_WRITEABLE_ATTRS_WORD1 & \ ~(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)) #define NFSD_SUPPATTR_EXCLCREAT_WORD2 \ NFSD_WRITEABLE_ATTRS_WORD2 extern int nfsd4_is_junction(struct dentry *dentry); extern int register_cld_notifier(void); extern void unregister_cld_notifier(void); #ifdef CONFIG_NFSD_V4_2_INTER_SSC extern void nfsd4_ssc_init_umount_work(struct nfsd_net *nn); #endif extern void nfsd4_init_leases_net(struct nfsd_net *nn); #else /* CONFIG_NFSD_V4 */ static inline int nfsd4_is_junction(struct dentry *dentry) { return 0; } static inline void nfsd4_init_leases_net(struct nfsd_net *nn) { }; #define register_cld_notifier() 0 #define unregister_cld_notifier() do { } while(0) #endif /* CONFIG_NFSD_V4 */ #endif /* LINUX_NFSD_NFSD_H */
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