X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/89b3af67bb32e691275bf6fa803d1834b2284115..e2fac8b15b12a7979f72090454d850e612fc5b13:/bsd/nfs/nfsnode.h diff --git a/bsd/nfs/nfsnode.h b/bsd/nfs/nfsnode.h index a2da9b509..794841e72 100644 --- a/bsd/nfs/nfsnode.h +++ b/bsd/nfs/nfsnode.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2007 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -78,13 +78,13 @@ /* * Silly rename structure that hangs off the nfsnode until the name - * can be removed by nfs_inactive() + * can be removed by nfs_vnop_inactive() */ -struct sillyrename { - struct ucred *s_cred; - vnode_t s_dvp; - long s_namlen; - char s_name[20]; +struct nfs_sillyrename { + kauth_cred_t nsr_cred; + struct nfsnode *nsr_dnp; + int nsr_namlen; + char nsr_name[20]; }; /* @@ -108,7 +108,7 @@ struct nfsdmap { */ struct nfsbuf { LIST_ENTRY(nfsbuf) nb_hash; /* hash chain */ - LIST_ENTRY(nfsbuf) nb_vnbufs; /* vnode's nfsbuf chain */ + LIST_ENTRY(nfsbuf) nb_vnbufs; /* nfsnode's nfsbuf chain */ TAILQ_ENTRY(nfsbuf) nb_free; /* free list position if not active. */ volatile long nb_flags; /* NB_* flags. */ volatile long nb_lflags; /* NBL_* flags. */ @@ -116,6 +116,7 @@ struct nfsbuf { long nb_bufsize; /* buffer size */ daddr64_t nb_lblkno; /* logical block number. */ uint64_t nb_verf; /* V3 write verifier */ + int nb_commitlevel; /* lowest write commit level */ time_t nb_timestamp; /* buffer timestamp */ int nb_error; /* errno value. */ u_int32_t nb_valid; /* valid pages in buf */ @@ -124,18 +125,23 @@ struct nfsbuf { int nb_validend; /* offset of end of valid region. */ int nb_dirtyoff; /* offset in buffer of dirty region. */ int nb_dirtyend; /* offset of end of dirty region. */ + int nb_offio; /* offset in buffer of I/O region. */ + int nb_endio; /* offset of end of I/O region. */ + int nb_rpcs; /* Count of RPCs remaining for this buffer. */ caddr_t nb_data; /* mapped buffer */ - vnode_t nb_vp; /* device vnode */ - proc_t nb_proc; /* associated proc; NULL if kernel. */ - struct ucred * nb_rcred; /* read credentials reference */ - struct ucred * nb_wcred; /* write credentials reference */ + nfsnode_t nb_np; /* nfsnode buffer belongs to */ + kauth_cred_t nb_rcred; /* read credentials reference */ + kauth_cred_t nb_wcred; /* write credentials reference */ void * nb_pagelist; /* upl */ }; #define NFS_MAXBSIZE (32 * PAGE_SIZE) /* valid/dirty page masks limit buffer size */ +#define NFS_A_LOT_OF_NEEDCOMMITS 256 /* max# uncommitted buffers for a node */ +#define NFS_A_LOT_OF_DELAYED_WRITES MAX(nfsbufcnt/8,512) /* max# "delwri" buffers in system */ + /* - * These flags are kept in b_lflags... + * These flags are kept in b_lflags... * nfs_buf_mutex must be held before examining/updating */ #define NBL_BUSY 0x00000001 /* I/O in progress. */ @@ -146,23 +152,24 @@ struct nfsbuf { * very similar to the B_* flags for struct buf. * nfs_buf_mutex is not needed to examine/update these. */ -#define NB_NEEDCOMMIT 0x00000002 /* Append-write in progress. */ +#define NB_STALEWVERF 0x00000001 /* write verifier changed on us */ +#define NB_NEEDCOMMIT 0x00000002 /* buffer needs to be committed */ #define NB_ASYNC 0x00000004 /* Start I/O, do not wait. */ -#define NB_CACHE 0x00000020 /* Bread found us in the cache. */ -#define NB_STABLE 0x00000040 /* write FILESYNC not UNSTABLE. */ -#define NB_DELWRI 0x00000080 /* Delay I/O until buffer reused. */ +#define NB_CACHE 0x00000020 /* buffer data found in the cache */ +#define NB_STABLE 0x00000040 /* write FILESYNC not UNSTABLE */ +#define NB_DELWRI 0x00000080 /* delayed write: dirty range needs to be written */ #define NB_DONE 0x00000200 /* I/O completed. */ #define NB_EINTR 0x00000400 /* I/O was interrupted */ #define NB_ERROR 0x00000800 /* I/O error occurred. */ -#define NB_WASDIRTY 0x00001000 /* page was found dirty in the VM cache */ #define NB_INVAL 0x00002000 /* Does not contain valid info. */ +#define NB_NCRDAHEAD 0x00004000 /* "nocache readahead" data */ #define NB_NOCACHE 0x00008000 /* Do not cache block after use. */ +#define NB_WRITE 0x00000000 /* Write buffer (pseudo flag). */ #define NB_READ 0x00100000 /* Read buffer. */ +#define NB_MULTASYNCRPC 0x00200000 /* multiple async RPCs issued for buffer */ #define NB_PAGELIST 0x00400000 /* Buffer describes pagelist I/O. */ -#define NB_WRITE 0x00000000 /* Write buffer (pseudo flag). */ #define NB_WRITEINPROG 0x01000000 /* Write in progress. */ #define NB_META 0x40000000 /* buffer contains meta-data. */ -#define NB_IOD 0x80000000 /* buffer being handled by nfsiod. */ /* Flags for operation type in nfs_buf_get() */ #define NBLK_READ 0x00000001 /* buffer for read */ @@ -205,16 +212,15 @@ TAILQ_HEAD(nfsbuffreehead, nfsbuf); #define NFSNOLIST ((struct nfsbuf *)0xdeadbeef) -extern lck_mtx_t *nfs_buf_mutex; -extern int nfsbufcnt, nfsbufmin, nfsbufmax, nfsbufmetacnt, nfsbufmetamax; -extern int nfsbuffreecnt, nfsbuffreemetacnt, nfsbufdelwricnt, nfsneedbuffer; -extern int nfs_nbdwrite; -extern struct nfsbuffreehead nfsbuffree, nfsbufdelwri; -extern time_t nfsbuffreeuptimestamp; +__private_extern__ lck_mtx_t *nfs_buf_mutex; +__private_extern__ int nfsbufcnt, nfsbufmin, nfsbufmax, nfsbufmetacnt, nfsbufmetamax; +__private_extern__ int nfsbuffreecnt, nfsbuffreemetacnt, nfsbufdelwricnt, nfsneedbuffer; +__private_extern__ int nfs_nbdwrite; +__private_extern__ struct nfsbuffreehead nfsbuffree, nfsbufdelwri; -#define NFSBUFCNTCHK(locked) \ +#ifdef NFSBUFDEBUG +#define NFSBUFCNTCHK() \ do { \ - if (!locked) lck_mtx_lock(nfs_buf_mutex); \ if ( (nfsbufcnt < 0) || \ (nfsbufcnt > nfsbufmax) || \ (nfsbufmetacnt < 0) || \ @@ -237,78 +243,154 @@ extern time_t nfsbuffreeuptimestamp; panic("nfsbuf count error: max %d meta %d cnt %d meta %d free %d meta %d delwr %d bdw %d\n", \ nfsbufmax, nfsbufmetamax, nfsbufcnt, nfsbufmetacnt, nfsbuffreecnt, nfsbuffreemetacnt, \ nfsbufdelwricnt, nfs_nbdwrite); \ - if (!locked) lck_mtx_unlock(nfs_buf_mutex); \ + } while (0) +#else +#define NFSBUFCNTCHK() +#endif + +/* + * NFS vnode attribute structure + */ +#define NFSTIME_ACCESS 0 /* time of last access */ +#define NFSTIME_MODIFY 1 /* time of last modification */ +#define NFSTIME_CHANGE 2 /* time file changed */ +#define NFSTIME_CREATE 3 /* time file created */ +#define NFSTIME_BACKUP 4 /* time of last backup */ +#define NFSTIME_COUNT 5 + +#define NFS_COMPARE_MTIME(TVP, NVAP, CMP) \ + (((TVP)->tv_sec == (NVAP)->nva_timesec[NFSTIME_MODIFY]) ? \ + ((TVP)->tv_nsec CMP (NVAP)->nva_timensec[NFSTIME_MODIFY]) : \ + ((TVP)->tv_sec CMP (NVAP)->nva_timesec[NFSTIME_MODIFY])) +#define NFS_COPY_TIME(TVP, NVAP, WHICH) \ + do { \ + (TVP)->tv_sec = (NVAP)->nva_timesec[NFSTIME_##WHICH]; \ + (TVP)->tv_nsec = (NVAP)->nva_timensec[NFSTIME_##WHICH]; \ } while (0) struct nfs_vattr { enum vtype nva_type; /* vnode type (for create) */ - u_short nva_mode; /* files access mode and type */ - dev_t nva_rdev; /* device the special file represents */ + uint32_t nva_mode; /* files access mode (and type) */ uid_t nva_uid; /* owner user id */ gid_t nva_gid; /* owner group id */ - uint32_t nva_fsid; /* file system id (dev for now) */ - uint64_t nva_nlink; /* number of references to file */ + nfs_specdata nva_rawdev; /* device the special file represents */ + uint32_t nva_flags; /* file flags */ + uint32_t nva_maxlink; /* maximum # of links (v4) */ + uint64_t nva_nlink; /* number of references to file */ uint64_t nva_fileid; /* file id */ + nfs_fsid nva_fsid; /* file system id */ uint64_t nva_size; /* file size in bytes */ uint64_t nva_bytes; /* bytes of disk space held by file */ - uint32_t nva_blocksize; /* blocksize preferred for i/o */ - struct timespec nva_atime; /* time of last access */ - struct timespec nva_mtime; /* time of last modification */ - struct timespec nva_ctime; /* time file changed */ + uint64_t nva_change; /* change attribute */ + int64_t nva_timesec[NFSTIME_COUNT]; + int32_t nva_timensec[NFSTIME_COUNT]; + uint32_t nva_bitmap[NFS_ATTR_BITMAP_LEN]; /* attributes that are valid */ }; +#define NFS_FFLAG_ARCHIVED 0x0001 +#define NFS_FFLAG_HIDDEN 0x0002 +#define NFS_FFLAG_NAMED_ATTR 0x0004 /* file has named attributes */ + +/* + * macros for detecting node changes + * + * These macros help us determine if a file has been changed on the server and + * thus whether or not we need to invalidate any cached data. + * + * For NFSv2/v3, the modification time is used. + * For NFSv4, the change attribute is used. + */ +#define NFS_CHANGED(VERS, NP, NVAP) \ + (((VERS) >= NFS_VER4) ? \ + ((NP)->n_change != (NVAP)->nva_change) : \ + NFS_COMPARE_MTIME(&(NP)->n_mtime, (NVAP), !=)) +#define NFS_CHANGED_NC(VERS, NP, NVAP) \ + (((VERS) >= NFS_VER4) ? \ + ((NP)->n_ncchange != (NVAP)->nva_change) : \ + NFS_COMPARE_MTIME(&(NP)->n_ncmtime, (NVAP), !=)) +#define NFS_CHANGED_UPDATE(VERS, NP, NVAP) \ + do { \ + if ((VERS) >= NFS_VER4) \ + (NP)->n_change = (NVAP)->nva_change; \ + else \ + NFS_COPY_TIME(&(NP)->n_mtime, (NVAP), MODIFY); \ + } while (0) +#define NFS_CHANGED_UPDATE_NC(VERS, NP, NVAP) \ + do { \ + if ((VERS) >= NFS_VER4) \ + (NP)->n_ncchange = (NVAP)->nva_change; \ + else \ + NFS_COPY_TIME(&(NP)->n_ncmtime, (NVAP), MODIFY); \ + } while (0) + /* - * The nfsnode is the nfs equivalent to ufs's inode. Any similarity - * is purely coincidental. - * There is a unique nfsnode allocated for each active file, - * each current directory, each mounted-on file, text file, and the root. + * The nfsnode is the NFS equivalent of an inode. + * There is a unique nfsnode for each NFS vnode. * An nfsnode is 'named' by its file handle. (nget/nfs_node.c) - * If this structure exceeds 256 bytes (it is currently 256 using 4.4BSD-Lite - * type definitions), file handles of > 32 bytes should probably be split out - * into a separate MALLOC()'d data structure. (Reduce the size of nfsnode.n_fh - * by changing the definition in nfsproto.h of NFS_SMALLFH.) * NB: Hopefully the current order of the fields is such that everything will * be well aligned and, therefore, tightly packed. */ + +#define NFS_ACCESS_CACHE_SIZE 3 + struct nfsnode { + lck_rw_t n_lock; /* nfs node lock */ + void *n_lockowner; /* nfs node lock owner (exclusive) */ + lck_rw_t n_datalock; /* nfs node data lock */ + void *n_datalockowner;/* nfs node data lock owner (exclusive) */ LIST_ENTRY(nfsnode) n_hash; /* Hash chain */ u_quad_t n_size; /* Current size of file */ + u_quad_t n_newsize; /* new size of file (pending update) */ + u_int64_t n_xid; /* last xid to loadattr */ struct nfs_vattr n_vattr; /* Vnode attribute cache */ time_t n_attrstamp; /* Attr. cache timestamp */ - u_int32_t n_mode; /* ACCESS mode cache */ - uid_t n_modeuid; /* credentials having mode */ - time_t n_modestamp; /* mode cache timestamp */ - struct timespec n_mtime; /* Prev modify time. */ - struct timespec n_ncmtime; /* namecache modify time. */ - u_char *n_fhp; /* NFS File Handle */ + u_int8_t n_mode[NFS_ACCESS_CACHE_SIZE+1]; /* ACCESS mode cache */ + uid_t n_modeuid[NFS_ACCESS_CACHE_SIZE]; /* credentials having mode */ + time_t n_modestamp[NFS_ACCESS_CACHE_SIZE]; /* mode cache timestamp */ union { - vnode_t n_vp; /* associated vnode */ - mount_t n_mp; /* associated mount (NINIT) */ - } n_un0; - struct lockf *n_lockf; /* Locking record of file */ + struct { + struct timespec n3_mtime; /* Prev modify time. */ + struct timespec n3_ncmtime; /* namecache modify time. */ + } v3; + struct { + uint64_t n4_change; /* prev change attribute */ + uint64_t n4_ncchange; /* namecache change attribute */ + } v4; + } n_un4; + vnode_t n_parent; /* this node's parent */ + u_char *n_fhp; /* NFS File Handle */ + vnode_t n_vnode; /* associated vnode */ + mount_t n_mount; /* associated mount (NHINIT) */ int n_error; /* Save write error value */ union { struct timespec nf_atim; /* Special file times */ nfsuint64 nd_cookieverf; /* Cookie verifier (dir only) */ } n_un1; union { - struct timespec nf_mtim; + struct timespec nf_mtim; /* Special file times */ + daddr64_t nf_lastread; /* last block# read from (for readahead) */ off_t nd_direof; /* Dir. EOF offset cache */ } n_un2; union { - struct sillyrename *nf_silly; /* Ptr to silly rename struct */ + struct nfs_sillyrename *nf_silly;/* Ptr to silly rename struct */ LIST_HEAD(, nfsdmap) nd_cook; /* cookies */ } n_un3; - short n_fhsize; /* size in bytes, of fh */ - short n_flag; /* Flag for locking.. */ + u_short n_fhsize; /* size in bytes, of fh */ + u_short n_flag; /* node flags */ + u_short n_hflag; /* node hash flags */ + u_short n_bflag; /* node buffer flags */ u_char n_fh[NFS_SMALLFH];/* Small File Handle */ - u_int64_t n_xid; /* last xid to loadattr */ struct nfsbuflists n_cleanblkhd; /* clean blocklist head */ struct nfsbuflists n_dirtyblkhd; /* dirty blocklist head */ + int n_wrbusy; /* # threads in write/fsync */ int n_needcommitcnt;/* # bufs that need committing */ int n_bufiterflags; /* buf iterator flags */ }; +#define NFS_NODE_LOCK_SHARED 1 +#define NFS_NODE_LOCK_EXCLUSIVE 2 +#define NFS_NODE_LOCK_FORCE 3 + #define nfstimespeccmp(tvp, uvp, cmp) \ (((tvp)->tv_sec == (uvp)->tv_sec) ? \ ((tvp)->tv_nsec cmp (uvp)->tv_nsec) : \ @@ -322,39 +404,59 @@ struct nfsnode { } \ } while (0) -#define n_vnode n_un0.n_vp -#define n_mount n_un0.n_mp -#define n_atim n_un1.nf_atim -#define n_mtim n_un2.nf_mtim -#define n_sillyrename n_un3.nf_silly -#define n_cookieverf n_un1.nd_cookieverf -#define n_direofoffset n_un2.nd_direof -#define n_cookies n_un3.nd_cook +#define n_atim n_un1.nf_atim +#define n_mtim n_un2.nf_mtim +#define n_lastread n_un2.nf_lastread +#define n_sillyrename n_un3.nf_silly +#define n_cookieverf n_un1.nd_cookieverf +#define n_direofoffset n_un2.nd_direof +#define n_cookies n_un3.nd_cook +#define n_mtime n_un4.v3.n3_mtime +#define n_ncmtime n_un4.v3.n3_ncmtime +#define n_change n_un4.v4.n4_change +#define n_ncchange n_un4.v4.n4_ncchange /* * Flags for n_flag */ -#define NFLUSHWANT 0x0001 /* Want wakeup from a flush in prog. */ -#define NFLUSHINPROG 0x0002 /* Avoid multiple calls to vinvalbuf() */ +#define NUPDATESIZE 0x0001 /* size of file needs updating */ #define NMODIFIED 0x0004 /* Might have a modified buffer in bio */ #define NWRITEERR 0x0008 /* Flag write errors so close will know */ #define NNEEDINVALIDATE 0x0010 /* need to call vinvalbuf() */ -#define NNOCACHE 0x0020 /* all bufs are uncached */ -#define NWRBUSY 0x0040 /* node in write/fsync */ #define NACC 0x0100 /* Special file accessed */ #define NUPD 0x0200 /* Special file updated */ #define NCHG 0x0400 /* Special file times changed */ -#define NHASHED 0x1000 /* someone wants to lock */ -#define NINIT 0x2000 /* node is being initialized */ -#define NWINIT 0x4000 /* someone waiting for init to complete */ +#define NNEGNCENTRIES 0x0800 /* directory has negative name cache entries */ + +/* + * Flags for n_hflag + * Note: protected by nfs_node_hash_mutex + */ +#define NHHASHED 0x0001 /* node is in hash table */ +#define NHINIT 0x0002 /* node is being initialized */ +#define NHLOCKED 0x0004 /* node is locked (initting or deleting) */ +#define NHLOCKWANT 0x0008 /* someone wants to lock */ +/* + * Flags for n_bflag + * Note: protected by nfs_buf_mutex + */ +#define NBFLUSHINPROG 0x0001 /* Avoid multiple calls to nfs_flush() */ +#define NBFLUSHWANT 0x0002 /* waiting for nfs_flush() to complete */ +#define NBINVALINPROG 0x0004 /* Avoid multiple calls to nfs_vinvalbuf() */ +#define NBINVALWANT 0x0008 /* waiting for nfs_vinvalbuf() to complete */ + +/* attr/mode timestamp macros */ #define NATTRVALID(np) ((np)->n_attrstamp != ~0) #define NATTRINVALIDATE(np) ((np)->n_attrstamp = ~0) -#define NMODEVALID(np) ((np)->n_modestamp != ~0) -#define NMODEINVALIDATE(np) ((np)->n_modestamp = ~0) - -#define NVALIDBUFS(np) (!LIST_EMPTY(&(np)->n_dirtyblkhd) || \ - !LIST_EMPTY(&(np)->n_cleanblkhd)) +#define NMODEVALID(np, slot) (((slot) >= 0) && ((slot) < 3) && ((np)->n_modestamp[(slot)] != ~0)) +#define NMODEINVALIDATE(np) \ + do { \ + (np)->n_modestamp[0] = ~0; \ + (np)->n_modestamp[1] = ~0; \ + (np)->n_modestamp[2] = ~0; \ + (np)->n_mode[3] = 0; \ + } while (0) /* * NFS-specific flags for nfs_vinvalbuf/nfs_flush @@ -370,21 +472,24 @@ struct nfsnode { /* * Convert between nfsnode pointers and vnode pointers */ -#define VTONFS(vp) ((struct nfsnode *)vnode_fsnode(vp)) +#define VTONFS(vp) ((nfsnode_t)vnode_fsnode(vp)) #define NFSTOV(np) ((np)->n_vnode) /* nfsnode hash table mutex */ -extern lck_mtx_t *nfs_node_hash_mutex; +__private_extern__ lck_mtx_t *nfs_node_hash_mutex; /* * nfsiod structures */ -extern proc_t nfs_iodwant[NFS_MAXASYNCDAEMON]; -extern struct nfsmount *nfs_iodmount[NFS_MAXASYNCDAEMON]; -extern lck_grp_t *nfs_iod_lck_grp; -extern lck_grp_attr_t *nfs_iod_lck_grp_attr; -extern lck_attr_t *nfs_iod_lck_attr; -extern lck_mtx_t *nfs_iod_mutex; +struct nfsiod { + TAILQ_ENTRY(nfsiod) niod_link; /* List of nfsiods */ + struct nfsmount * niod_nmp; /* mount point for this nfsiod */ +}; +TAILQ_HEAD(nfsiodlist, nfsiod); +TAILQ_HEAD(nfsiodmountlist, nfsmount); +__private_extern__ struct nfsiodlist nfsiodfree, nfsiodwork; +__private_extern__ struct nfsiodmountlist nfsiodmounts; +__private_extern__ lck_mtx_t *nfsiod_mutex; #if defined(KERNEL) @@ -392,43 +497,78 @@ typedef int vnop_t(void *); extern vnop_t **fifo_nfsv2nodeop_p; extern vnop_t **nfsv2_vnodeop_p; extern vnop_t **spec_nfsv2nodeop_p; +extern vnop_t **fifo_nfsv4nodeop_p; +extern vnop_t **nfsv4_vnodeop_p; +extern vnop_t **spec_nfsv4nodeop_p; /* * Prototypes for NFS vnode operations */ -int nfs_write(struct vnop_write_args *); -#define nfs_revoke nop_revoke -#define nfs_seek ((int (*)(struct vnop_seek_args *))nullop) //XXXdead? -int nfs_inactive(struct vnop_inactive_args *); -int nfs_reclaim(struct vnop_reclaim_args *); - +int nfs_vnop_write(struct vnop_write_args *); +#define nfs_vnop_revoke nop_revoke +int nfs_vnop_inactive(struct vnop_inactive_args *); +int nfs_vnop_reclaim(struct vnop_reclaim_args *); + +int nfs_lock(nfsnode_t, int); +void nfs_unlock(nfsnode_t); +int nfs_lock2(nfsnode_t, nfsnode_t, int); +void nfs_unlock2(nfsnode_t, nfsnode_t); +int nfs_lock4(nfsnode_t, nfsnode_t, nfsnode_t, nfsnode_t, int); +void nfs_unlock4(nfsnode_t, nfsnode_t, nfsnode_t, nfsnode_t); +void nfs_data_lock(nfsnode_t, int); +void nfs_data_lock2(nfsnode_t, int, int); +void nfs_data_unlock(nfsnode_t); +void nfs_data_unlock2(nfsnode_t, int); +void nfs_data_update_size(nfsnode_t, int); /* other stuff */ -int nfs_removeit(struct sillyrename *); -int nfs_nget(mount_t,vnode_t,struct componentname *,u_char *,int,struct nfs_vattr *,u_int64_t *,int,struct nfsnode **); -nfsuint64 *nfs_getcookie(struct nfsnode *, off_t, int); -void nfs_invaldir(vnode_t); +int nfs_removeit(struct nfs_sillyrename *); +int nfs_nget(mount_t,nfsnode_t,struct componentname *,u_char *,int,struct nfs_vattr *,u_int64_t *,int,nfsnode_t*); +nfsuint64 *nfs_getcookie(nfsnode_t, off_t, int); +void nfs_invaldir(nfsnode_t); /* nfsbuf functions */ void nfs_nbinit(void); +void nfs_buf_timer(void *, void *); void nfs_buf_remfree(struct nfsbuf *); -boolean_t nfs_buf_is_incore(vnode_t, daddr64_t); -struct nfsbuf * nfs_buf_incore(vnode_t, daddr64_t); -int nfs_buf_get(vnode_t, daddr64_t, int, proc_t, int, struct nfsbuf **); +boolean_t nfs_buf_is_incore(nfsnode_t, daddr64_t); +struct nfsbuf * nfs_buf_incore(nfsnode_t, daddr64_t); +int nfs_buf_get(nfsnode_t, daddr64_t, int, thread_t, int, struct nfsbuf **); int nfs_buf_upl_setup(struct nfsbuf *bp); void nfs_buf_upl_check(struct nfsbuf *bp); +void nfs_buf_normalize_valid_range(nfsnode_t, struct nfsbuf *); +int nfs_buf_map(struct nfsbuf *); void nfs_buf_release(struct nfsbuf *, int); int nfs_buf_iowait(struct nfsbuf *); void nfs_buf_iodone(struct nfsbuf *); -void nfs_buf_write_delayed(struct nfsbuf *, proc_t); -void nfs_buf_check_write_verifier(struct nfsnode *, struct nfsbuf *); +void nfs_buf_write_delayed(struct nfsbuf *); +void nfs_buf_check_write_verifier(nfsnode_t, struct nfsbuf *); void nfs_buf_freeup(int); void nfs_buf_refget(struct nfsbuf *bp); void nfs_buf_refrele(struct nfsbuf *bp); void nfs_buf_drop(struct nfsbuf *); errno_t nfs_buf_acquire(struct nfsbuf *, int, int, int); -int nfs_buf_iterprepare(struct nfsnode *, struct nfsbuflists *, int); -void nfs_buf_itercomplete(struct nfsnode *, struct nfsbuflists *, int); +int nfs_buf_iterprepare(nfsnode_t, struct nfsbuflists *, int); +void nfs_buf_itercomplete(nfsnode_t, struct nfsbuflists *, int); + +int nfs_bioread(nfsnode_t, struct uio *, int, int *, vfs_context_t); +int nfs_buf_readdir(struct nfsbuf *, vfs_context_t); +int nfs_buf_read(struct nfsbuf *); +void nfs_buf_read_finish(struct nfsbuf *); +int nfs_buf_read_rpc(struct nfsbuf *, thread_t, kauth_cred_t); +void nfs_buf_read_rpc_finish(struct nfsreq *); +int nfs_buf_write(struct nfsbuf *); +void nfs_buf_write_finish(struct nfsbuf *, thread_t, kauth_cred_t); +int nfs_buf_write_rpc(struct nfsbuf *, int, thread_t, kauth_cred_t); +void nfs_buf_write_rpc_finish(struct nfsreq *); +int nfs_buf_write_dirty_pages(struct nfsbuf *, thread_t, kauth_cred_t); + +int nfs_flushcommits(nfsnode_t, int); +int nfs_flush(nfsnode_t, int, thread_t, int); + +int nfsiod_start(void); +void nfs_asyncio_finish(struct nfsreq *); +void nfs_asyncio_resend(struct nfsreq *); #endif /* KERNEL */