diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-03-30 23:56:35 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-03-30 23:56:35 +0000 |
commit | f85bf2b1e0fb595ad588c55ffd23dcb0c0837ce3 (patch) | |
tree | 7614c8b057d8816060893ce3ca36a908dba8c66f /nuttx/fs/nfs | |
parent | d14549a7db7f1449763ccb40f676860e414ecd36 (diff) | |
download | px4-nuttx-f85bf2b1e0fb595ad588c55ffd23dcb0c0837ce3.tar.gz px4-nuttx-f85bf2b1e0fb595ad588c55ffd23dcb0c0837ce3.tar.bz2 px4-nuttx-f85bf2b1e0fb595ad588c55ffd23dcb0c0837ce3.zip |
NFS client update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4544 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/fs/nfs')
-rw-r--r-- | nuttx/fs/nfs/nfs_mount.h | 1 | ||||
-rw-r--r-- | nuttx/fs/nfs/nfs_node.h | 3 | ||||
-rw-r--r-- | nuttx/fs/nfs/nfs_vfsops.c | 275 |
3 files changed, 85 insertions, 194 deletions
diff --git a/nuttx/fs/nfs/nfs_mount.h b/nuttx/fs/nfs/nfs_mount.h index 9f6e9b340..144a53a3c 100644 --- a/nuttx/fs/nfs/nfs_mount.h +++ b/nuttx/fs/nfs/nfs_mount.h @@ -72,7 +72,6 @@ struct nfsmount struct nfsnode *nm_head; /* A list to all files opened on this mountpoint */ bool nm_mounted; /* true: The file system is ready */ sem_t nm_sem; /* Used to assume thread-safe access */ - nfstype nfsv3_type; /* File type */ int nm_numgrps; /* Max. size of groupslist */ nfsfh_t nm_fh; /* File handle of root dir */ int nm_fhsize; /* Size of root file handle */ diff --git a/nuttx/fs/nfs/nfs_node.h b/nuttx/fs/nfs/nfs_node.h index 2cc1e14a7..b18fc97a0 100644 --- a/nuttx/fs/nfs/nfs_node.h +++ b/nuttx/fs/nfs/nfs_node.h @@ -115,6 +115,7 @@ struct nfsnode bool n_open; /* true: The file is (still) open */ uint64_t n_size; /* Current size of file */ struct nfs_fattr n_fattr; /* nfs file attribute cache */ + nfstype nfsv3_type; /* File type */ time_t n_attrstamp; /* Attr. cache timestamp */ struct timespec n_mtime; /* Prev modify time. */ time_t n_ctime; /* Prev create time. */ @@ -129,7 +130,7 @@ struct nfsnode union { struct timespec nf_mtim; - off_t nd_direof; /* Dir. EOF offset cache */ + off_t nd_direoffset; /* Directory EOF offset cache */ } n_un2; short n_fhsize; /* size in bytes, of fh */ short n_flag; /* Flag for locking.. */ diff --git a/nuttx/fs/nfs/nfs_vfsops.c b/nuttx/fs/nfs/nfs_vfsops.c index c2f390b2e..bf52c6fa6 100644 --- a/nuttx/fs/nfs/nfs_vfsops.c +++ b/nuttx/fs/nfs/nfs_vfsops.c @@ -155,7 +155,7 @@ nfs_open(FAR struct file *filep, FAR const char *relpath, if (np->nfsv3_type != NFREG && np->nfsv3_type != NFDIR) { - dbg("open eacces typ=%d\n", np->nfsv3_type); + fdbg("open eacces typ=%d\n", np->nfsv3_type); return (EACCES); } @@ -190,8 +190,11 @@ nfs_create(FAR struct file *filp, FAR const char *relpath, /* Oops, not for me.. */ - if (vap->va_type == VSOCK) - return (nfs_mknodrpc(dvp, ap->a_vpp, cnp, vap)); + if (np->nfsv3_type == VSOCK) + { + fdbg("open eacces type=%d\n", np->nfsv3_type); + return (EACCES); + } if (vap->va_vaflags & VA_EXCLUSIVE) fmode |= O_EXCL; @@ -209,7 +212,7 @@ again: error = nfs_request(in, NFSPROC_CREATE); if (!error) { - nfsm_mtofh(dvp, newvp, info.nmi_v3, gotvp); + nfsm_mtofh(dvp, newvp, info_v3, gotvp); if (!gotvp) { if (newvp) @@ -217,11 +220,6 @@ again: vrele(newvp); newvp = NULL; } - error = nfs_lookitup(dvp, cnp->cn_nameptr, - cnp->cn_namelen, cnp->cn_cred, cnp->cn_proc, - &np); - if (!error) - newvp = NFSTOV(np); } } if (info_v3) @@ -230,7 +228,7 @@ again: nfsmout: if (error) { - if (info.nmi_v3 && (fmode & O_EXCL) && error == NFSERR_NOTSUPP) + if (info_v3 && (fmode & O_EXCL) && error == NFSERR_NOTSUPP) { fmode &= ~O_EXCL; goto again; @@ -238,7 +236,7 @@ nfsmout: if (newvp) vrele(newvp); } - else if (info.nmi_v3 && (fmode & O_EXCL)) + else if (info_v3 && (fmode & O_EXCL)) error = nfs_setattrrpc(newvp, vap, cnp->cn_cred, cnp->cn_proc); if (!error) { @@ -547,12 +545,9 @@ nfs_removerpc(struct vnode *dvp, char *name, int namelen, struct ucred *cred, nfsm_fhtom(&info, dvp, info.nmi_v3); nfsm_strtom(name, namelen, NFS_MAXNAMLEN); - info.nmi_procp = proc; - info.nmi_cred = cred; error = nfs_request(dvp, NFSPROC_REMOVE, &info); if (info.nmi_v3) nfsm_wcc_data(dvp, wccflag); - m_freem(info.nmi_mrep); nfsmout: VTONFS(dvp)->n_flag |= NMODIFIED; @@ -725,31 +720,25 @@ int nfs_mkdir(struct inode *mountpt, const char *relpath, mode_t mode) nfsstats.rpccnt[NFSPROC_MKDIR]++; - if (info_v3) - { - nfsm_v3attrbuild(&info.nmi_mb, vap, 0); - } - else - { - sp->sa_modetrue = nfs_true; - sp->sa_mode = txdr_unsigned(vap->sa_mode); - sp->sa_uid = nfs_xdrneg1; - sp->sa_gid = nfs_xdrneg1; - sp->sa_size = nfs_xdrneg1; - sp->sa_atimetype = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); - sp->sa_mtimetype = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); - txdr_nfsv3time(&vap->sa_atime, &sp->sa_atime); - txdr_nfsv3time(&vap->sa_mtime, &sp->sa_mtime); - } + sp->sa_modetrue = nfs_true; + sp->sa_mode = txdr_unsigned(vap->sa_mode); + sp->sa_uid = nfs_xdrneg1; + sp->sa_gid = nfs_xdrneg1; + sp->sa_size = nfs_xdrneg1; + sp->sa_atimetype = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); + sp->sa_mtimetype = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT); + + txdr_nfsv3time(&vap->sa_atime, &sp->sa_atime); + txdr_nfsv3time(&vap->sa_mtime, &sp->sa_mtime); - error = nfs_request(dvp, NFSPROC_MKDIR, &info); + error = nfs_request(nmp, NFSPROC_MKDIR, &info); if (!error) nfsm_mtofh(dvp, newvp, info.nmi_v3, gotvp); if (info.nmi_v3) nfsm_wcc_data(dvp, wccflag); nfsmout: - VTONFS(dvp)->n_flag |= NMODIFIED; + nmp->n_flag |= NMODIFIED; if (!wccflag) NFS_INVALIDATE_ATTRCACHE(VTONFS(dvp)); @@ -848,12 +837,13 @@ nfsmout: int nfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) { //struct nfsnode *np = VTONFS(vp); - int tresid, error = 0; + int error = 0; unsigned long *cookies = NULL; - int ncookies = 0, cnt; + int cnt; struct nfsmount *nmp; + struct nfsnode *np; int eof = 0; - uint64_t newoff; + //struct nfs_dirent *ndp; fvdbg("Entry\n"); @@ -864,6 +854,7 @@ int nfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) /* Recover our private data from the inode instance */ nmp = mountpt->i_private; + np = np->nm_head; /* Make sure that the mount is still healthy */ @@ -875,19 +866,22 @@ int nfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) goto errout_with_semaphore; } - if (nmp->nfsv3_type != NFDIR) - return (EPERM); + if (np->nfsv3_type != NFDIR) + { + error = EPERM; + goto errout_with_semaphore; + } + + dir->u.nfs.nd_direoffset = np->nd_direoffset; -#ifdef 0 - /* First, check for hit on the EOF offset cache */ + /* First, check for hit on the EOF offset */ - if (np->n_direofoffset != 0) + if (dir->u.nfs.nd_direoffset != 0) { nfsstats.direofcache_hits++; - filep->f_oflags = 1; + //np->n_open = true; return (0); } -#endif if ((nmp->nm_flag & (NFSMNT_NFSV3 | NFSMNT_GOTFSINFO)) == NFSMNT_NFSV3) { @@ -896,50 +890,23 @@ int nfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) cnt = 5; do - { - struct nfs_dirent *ndp = data; - dir->nfs->cookie[0] = ndp->cookie[0]; - dir->nfs->cookie[1] = ndp->cookie[1]; - dir->fd_dir = ndp->dirent; - - error = nfs_readdirrpc(vp, &eof); + { + error = nfs_readdirrpc(nmp, &eof, dir); if (error == NFSERR_BAD_COOKIE) error = EINVAL; - - while (error == 0 &&(ncookies != 0)) - { - struct dirent *dp = &dir->fd_dir; - int reclen = dp->d_reclen; - - dp->d_reclen -= NFS_DIRENT_OVERHEAD; - - - newoff = fxdr_hyper(&dir->nfs->cookie[0]); - *cookies = newoff; - cookies++; - ncookies--; - - - ndp = (struct nfs_dirent *)((uint8_t *) ndp + reclen); - dir->nfs->cookie[0] = ndp->cookie[0]; - dir->nfs->cookie[1] = ndp->cookie[1]; - dir->fd_dir = ndp->dirent; - } } while (!error && !eof && cnt--); - data = NULL; if (!error && eof) { nfsstats.direofcache_misses++; - filep->f_oflags = 1; nfs_semgive(nmp); return (0); } - filep->f_oflags = 0; +errout_with_semaphore: nfs_semgive(nmp); return (error); } @@ -948,24 +915,23 @@ int nfs_readdir(struct inode *mountpt, struct fs_dirent_s *dir) /* Readdir rpc call. */ -int nfs_readdirrpc(struct vnode *vp, int *end_of_directory) +int nfs_readdirrpc(struct nfsmount *nmp, int *end_of_directory, fs_dirent_s *dir) { int len, left; - struct nfs_dirent *ndp = NULL; - struct dirent *dp = NULL; + struct nfs_dirent *dp = NULL; //struct nfsm_info info; - //u_int32_t *tl; + //uint32_t *tl; /*caddr_t cp; int32_t t1; caddr_t cp2;*/ nfsuint64 cookie; - struct nfsmount *nmp = VFSTONFS(vp->v_mount); - struct nfsnode *dnp = VTONFS(vp); - uint64_t fileno; - int error = 0, tlen, more_dirs = 1, blksiz = 0, bigenough = 1; + struct nfsnode *dnp = nmp->nm_head; + int error = 0, more_dirs = 1, blksiz = 0, bigenough = 1; int attrflag; - - info.nmi_v3 = NFS_ISV3(vp); + int info_v3; + void *datareply; + + info_v3 = (nmp->nm_flag & NFSMNT_NFSV3); /* Loop around doing readdir rpc's of size nm_readdirsize * truncated to a multiple of NFS_READDIRBLKSIZ. @@ -975,130 +941,57 @@ int nfs_readdirrpc(struct vnode *vp, int *end_of_directory) while (more_dirs && bigenough) { nfsstats.rpccnt[NFSPROC_READDIR]++; - if (info.nmi_v3) { + if (info_v3) { - tl = nfsm_build(&info.nmi_mb, 5 * NFSX_UNSIGNED); - *tl++ = cookie.nfsuquad[0]; - *tl++ = cookie.nfsuquad[1]; - if (cookie.nfsuquad[0] == 0 && cookie.nfsuquad[1] == 0) - { - *tl++ = 0; - *tl++ = 0; - } - else - { - *tl++ = dnp->n_cookieverf.nfsuquad[0]; - *tl++ = dnp->n_cookieverf.nfsuquad[1]; - } + cookie.nfsuquad[0] = dnp->n_cookieverf.nfsuquad[0]; + cookie.nfsuquad[1] = dnp->n_cookieverf.nfsuquad[1]; } else { - tl = nfsm_build(&info.nmi_mb, 2 * NFSX_UNSIGNED); - *tl++ = cookie.nfsuquad[1]; + cookie.nfsuquad[1] = dnp->n_cookieverf.nfsuquad[1]; } - *tl = txdr_unsigned(nmp->nm_readdirsize); - error = nfs_request(nmp, NFSPROC_READDIR, &info); - if (info.nmi_v3) - nfsm_postop_attr(vp, attrflag); + error = nfs_request(nmp, NFSPROC_READDIR, datareply); + dp = (void nfs_dirent*) datareply; if (error) { goto nfsmout; } - if (info.nmi_v3) + if (info_v3) { - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - dnp->n_cookieverf.nfsuquad[0] = *tl++; - dnp->n_cookieverf.nfsuquad[1] = *tl; + dnp->n_cookieverf.nfsuquad[0] = dp->cookie[0]; + dnp->n_cookieverf.nfsuquad[1] = dp->cookie[1]; } - nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED); - more_dirs = fxdr_unsigned(int, *tl); + more_dirs = fxdr_unsigned(int, *dp); /* loop thru the dir entries, doctoring them to 4bsd form */ while (more_dirs && bigenough) { - if (info.nmi_v3) - { - nfsm_dissect(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - fileno = fxdr_hyper(tl); - len = fxdr_unsigned(int, *(tl + 2)); - } - else - { - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - fileno = fxdr_unsigned(u_quad_t, *tl++); - len = fxdr_unsigned(int, *tl); - } - if (len <= 0 || len > NFS_MAXNAMLEN) - { - error = EBADRPC; - m_freem(info.nmi_mrep); - goto nfsmout; - } - tlen = nfsm_rndup(len + 1); - left = NFS_READDIRBLKSIZ - blksiz; - if ((tlen + NFS_DIRHDSIZ) > left) - { - dp->d_reclen += left; - uiop->uio_iov->iov_base += left; - uiop->uio_iov->iov_len -= left; - uiop->uio_resid -= left; - blksiz = 0; - } - if ((tlen + NFS_DIRHDSIZ) > uiop->uio_resid) - bigenough = 0; - if (bigenough) - { - ndp = (struct nfs_dirent *)uiop->uio_iov->iov_base; - dp = &ndp->dirent; - dp->d_fileno = (int)fileno; - dp->d_namlen = len; - dp->d_reclen = tlen + NFS_DIRHDSIZ; - dp->d_type = DT_UNKNOWN; - blksiz += dp->d_reclen; - if (blksiz == NFS_READDIRBLKSIZ) - blksiz = 0; - uiop->uio_resid -= NFS_DIRHDSIZ; - uiop->uio_iov->iov_base = - (char *)uiop->uio_iov->iov_base + NFS_DIRHDSIZ; - uiop->uio_iov->iov_len -= NFS_DIRHDSIZ; - nfsm_mtouio(uiop, len); - cp = uiop->uio_iov->iov_base; - tlen -= len; - *cp = '\0'; /* null terminate */ - uiop->uio_iov->iov_base += tlen; - uiop->uio_iov->iov_len -= tlen; - uiop->uio_resid -= tlen; - } - else - nfsm_adv(nfsm_rndup(len)); - if (info.nmi_v3) - { - nfsm_dissect(tl, u_int32_t *, 3 * NFSX_UNSIGNED); - } - else - { - nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED); - } if (bigenough) { - if (info.nmi_v3) + if (info_v3) { - ndp->cookie[0] = cookie.nfsuquad[0] = *tl++; + dir->u.nfs.cookie[0] = cookie.nfsuquad[0] = *tl++; } else - ndp->cookie[0] = 0; + { + dir->u.nfs.cookie[0] = ndp->cookie[0] = 0; + } - ndp->cookie[1] = cookie.nfsuquad[1] = *tl++; + dir->u.nfs.cookie[1] = ndp->cookie[1] = cookie.nfsuquad[1] = *tl++; + } + else if (info_v3) + { + tl += 2; } - else if (info.nmi_v3) - tl += 2; else - tl++; + { + tl++; + } more_dirs = fxdr_unsigned(int, *tl); } @@ -1111,16 +1004,6 @@ int nfs_readdirrpc(struct vnode *vp, int *end_of_directory) } } - /* Fill last record, iff any, out to a multiple of NFS_READDIRBLKSIZ - * by increasing d_reclen for the last record. - */ - - if (blksiz > 0) - { - left = NFS_READDIRBLKSIZ - blksiz; - dp->d_reclen += left; - } - /* We are now either at the end of the directory or have filled the * block. */ @@ -1129,7 +1012,16 @@ int nfs_readdirrpc(struct vnode *vp, int *end_of_directory) { dnp->n_direofoffset = fxdr_hyper(&cookie.nfsuquad[0]); if (end_of_directory) - *end_of_directory = 1; + { + *end_of_directory = 1; + } + + /* We signal the end of the directory by returning the + * special error -ENOENT + */ + + fdbg("End of directory\n"); + error = ENOENT; } nfsmout: @@ -1217,14 +1109,13 @@ errout_with_semaphore: /* Print out the contents of an nfsnode. */ -int nfs_print(void *v) +int nfs_print(struct file *filep) { - struct vop_print_args *ap = v; struct vnode *vp = ap->a_vp; struct nfsnode *np = VTONFS(vp); printf("tag VT_NFS, fileid %ld fsid 0x%lx", - np->n_vattr.va_fileid, np->n_vattr.va_fsid); + np->n_fattr.nfsv3fa_fileid, np->n_fattr.nfsv3fa_fsid); printf("\n"); return (0); } |