diff options
Diffstat (limited to 'sys/fs/nfsclient')
| -rw-r--r-- | sys/fs/nfsclient/nfs_clcomsubs.c | 2 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfs_clport.c | 19 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfs_clrpcops.c | 237 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfs_clstate.c | 2 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfs_clvfsops.c | 10 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfs_clvnops.c | 143 | ||||
| -rw-r--r-- | sys/fs/nfsclient/nfsmount.h | 1 |
7 files changed, 353 insertions, 61 deletions
diff --git a/sys/fs/nfsclient/nfs_clcomsubs.c b/sys/fs/nfsclient/nfs_clcomsubs.c index bca0bdcd0df1..05963074e53d 100644 --- a/sys/fs/nfsclient/nfs_clcomsubs.c +++ b/sys/fs/nfsclient/nfs_clcomsubs.c @@ -272,7 +272,7 @@ nfsm_loadattr(struct nfsrv_descript *nd, struct nfsvattr *nap) if (nd->nd_flag & ND_NFSV4) { error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, - NULL); + NULL, NULL); } else if (nd->nd_flag & ND_NFSV3) { NFSM_DISSECT(fp, struct nfs_fattr *, NFSX_V3FATTR); nap->na_type = nfsv34tov_type(fp->fa_type); diff --git a/sys/fs/nfsclient/nfs_clport.c b/sys/fs/nfsclient/nfs_clport.c index b25d967982a1..e9f1dc23ddbe 100644 --- a/sys/fs/nfsclient/nfs_clport.c +++ b/sys/fs/nfsclient/nfs_clport.c @@ -412,7 +412,7 @@ nfscl_warn_fileid(struct nfsmount *nmp, struct nfsvattr *oldnap, } void -ncl_copy_vattr(struct vattr *dst, struct vattr *src) +ncl_copy_vattr(struct vnode *vp, struct vattr *dst, struct vattr *src) { dst->va_type = src->va_type; dst->va_mode = src->va_mode; @@ -429,7 +429,7 @@ ncl_copy_vattr(struct vattr *dst, struct vattr *src) dst->va_birthtime = src->va_birthtime; dst->va_gen = src->va_gen; dst->va_flags = src->va_flags; - dst->va_rdev = src->va_rdev; + dst->va_rdev = VN_ISDEV(vp) ? src->va_rdev : NODEV; dst->va_bytes = src->va_bytes; dst->va_filerev = src->va_filerev; } @@ -595,7 +595,7 @@ nfscl_loadattrcache(struct vnode **vpp, struct nfsvattr *nap, void *nvaper, KDTRACE_NFS_ATTRCACHE_FLUSH_DONE(vp); } if (vaper != NULL) { - ncl_copy_vattr(vaper, vap); + ncl_copy_vattr(vp, vaper, vap); if (np->n_flag & NCHG) { if (np->n_flag & NACC) vaper->va_atime = np->n_atim; @@ -828,7 +828,7 @@ nfscl_wcc_data(struct nfsrv_descript *nd, struct vnode *vp, == (ND_NFSV4 | ND_V4WCCATTR)) { error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, NULL, NULL, NULL, NULL); + NULL, NULL, NULL, NULL, NULL, NULL, NULL); if (error) return (error); /* @@ -963,7 +963,8 @@ nfscl_loadsbinfo(struct nfsmount *nmp, struct nfsstatfs *sfp, void *statfs) * Use the fsinfo stuff to update the mount point. */ void -nfscl_loadfsinfo(struct nfsmount *nmp, struct nfsfsinfo *fsp) +nfscl_loadfsinfo(struct nfsmount *nmp, struct nfsfsinfo *fsp, + uint32_t clone_blksize) { if ((nmp->nm_wsize == 0 || fsp->fs_wtpref < nmp->nm_wsize) && @@ -1003,6 +1004,14 @@ nfscl_loadfsinfo(struct nfsmount *nmp, struct nfsfsinfo *fsp) fsp->fs_maxfilesize < nmp->nm_maxfilesize) nmp->nm_maxfilesize = fsp->fs_maxfilesize; nmp->nm_mountp->mnt_stat.f_iosize = newnfs_iosize(nmp); + + /* + * Although ZFS reports a clone_blksize of 16Mbytes, + * 128Kbytes usually works, so set it to that. + */ + if (clone_blksize > 128 * 1024) + clone_blksize = 128 * 1024; + nmp->nm_cloneblksize = clone_blksize; nmp->nm_state |= NFSSTA_GOTFSINFO; } diff --git a/sys/fs/nfsclient/nfs_clrpcops.c b/sys/fs/nfsclient/nfs_clrpcops.c index 920fcf7b8c61..4ec621de2eff 100644 --- a/sys/fs/nfsclient/nfs_clrpcops.c +++ b/sys/fs/nfsclient/nfs_clrpcops.c @@ -225,6 +225,9 @@ static int nfsrpc_layoutgetres(struct nfsmount *, vnode_t, uint8_t *, static int nfsrpc_copyrpc(vnode_t, off_t, vnode_t, off_t, size_t *, nfsv4stateid_t *, nfsv4stateid_t *, struct nfsvattr *, int *, struct nfsvattr *, int *, bool, int *, struct ucred *, NFSPROC_T *); +static int nfsrpc_clonerpc(vnode_t, off_t, vnode_t, off_t, size_t *, bool, + nfsv4stateid_t *, nfsv4stateid_t *, struct nfsvattr *, int *, + struct nfsvattr *, int *, struct ucred *, NFSPROC_T *); static int nfsrpc_seekrpc(vnode_t, off_t *, nfsv4stateid_t *, bool *, int, struct nfsvattr *, int *, struct ucred *); static struct mbuf *nfsm_split(struct mbuf *, uint64_t); @@ -696,7 +699,7 @@ nfsrpc_openrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp, int fhlen, ("nfsrpc_openrpc: Getattr repstat")); error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, NULL, NULL, p, cred); + NULL, NULL, NULL, NULL, NULL, p, cred); if (error) goto nfsmout; } @@ -1355,7 +1358,7 @@ nfsrpc_getattrnovp(struct nfsmount *nmp, u_int8_t *fhp, int fhlen, int syscred, if ((nd->nd_flag & ND_NFSV4) != 0) error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, NULL, leasep, NULL, - NULL, NULL, NULL); + NULL, NULL, NULL, NULL); else error = nfsm_loadattr(nd, nap); } else @@ -3597,7 +3600,7 @@ nfsrpc_readdir(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep, nfsva.na_mntonfileno = UINT64_MAX; error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, NULL, NULL, p, cred); + NULL, NULL, NULL, NULL, NULL, p, cred); if (error) { dotdotfileid = dotfileid; } else if (gotmnton) { @@ -3847,7 +3850,7 @@ nfsrpc_readdir(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep, nfsva.na_mntonfileno = UINT64_MAX; error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, &rderr, NULL, p, cred); + NULL, NULL, &rderr, NULL, NULL, p, cred); if (error) goto nfsmout; NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED); @@ -4072,7 +4075,7 @@ nfsrpc_readdirplus(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep, nfsva.na_mntonfileno = UINT64_MAX; error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, NULL, NULL, p, cred); + NULL, NULL, NULL, NULL, NULL, p, cred); if (error) { dotdotfileid = dotfileid; } else if (gotmnton) { @@ -4346,7 +4349,7 @@ nfsrpc_readdirplus(vnode_t vp, struct uio *uiop, nfsuint64 *cookiep, nfsva.na_mntonfileno = 0xffffffff; error = nfsv4_loadattr(nd, NULL, &nfsva, &nfhp, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, &rderr, NULL, p, cred); + NULL, NULL, &rderr, NULL, NULL, p, cred); if (error) goto nfsmout; } @@ -4981,8 +4984,8 @@ nfsmout: */ int nfsrpc_statfs(vnode_t vp, struct nfsstatfs *sbp, struct nfsfsinfo *fsp, - uint32_t *leasep, struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, - int *attrflagp) + uint32_t *leasep, uint32_t *cloneblksizep, struct ucred *cred, NFSPROC_T *p, + struct nfsvattr *nap, int *attrflagp) { u_int32_t *tl = NULL; struct nfsrv_descript nfsd, *nd = &nfsd; @@ -4991,6 +4994,8 @@ nfsrpc_statfs(vnode_t vp, struct nfsstatfs *sbp, struct nfsfsinfo *fsp, int error; *attrflagp = 0; + if (cloneblksizep != NULL) + *cloneblksizep = 0; nmp = VFSTONFS(vp->v_mount); if (NFSHASNFSV4(nmp)) { /* @@ -5009,7 +5014,7 @@ nfsrpc_statfs(vnode_t vp, struct nfsstatfs *sbp, struct nfsfsinfo *fsp, if (nd->nd_repstat == 0) { error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, NULL, NULL, sbp, fsp, NULL, 0, NULL, leasep, NULL, - NULL, p, cred); + NULL, cloneblksizep, p, cred); if (!error) { nmp->nm_fsid[0] = nap->na_filesid[0]; nmp->nm_fsid[1] = nap->na_filesid[1]; @@ -5063,7 +5068,8 @@ nfsmout: */ int nfsrpc_pathconf(vnode_t vp, struct nfsv3_pathconf *pc, bool *has_namedattrp, - struct ucred *cred, NFSPROC_T *p, struct nfsvattr *nap, int *attrflagp) + uint32_t *clone_blksizep, struct ucred *cred, NFSPROC_T *p, + struct nfsvattr *nap, int *attrflagp) { struct nfsrv_descript nfsd, *nd = &nfsd; struct nfsmount *nmp; @@ -5074,6 +5080,7 @@ nfsrpc_pathconf(vnode_t vp, struct nfsv3_pathconf *pc, bool *has_namedattrp, *has_namedattrp = false; *attrflagp = 0; + *clone_blksizep = 0; nmp = VFSTONFS(vp->v_mount); if (NFSHASNFSV4(nmp)) { np = VTONFS(vp); @@ -5100,7 +5107,7 @@ nfsrpc_pathconf(vnode_t vp, struct nfsv3_pathconf *pc, bool *has_namedattrp, if (nd->nd_repstat == 0) { error = nfsv4_loadattr(nd, NULL, nap, NULL, NULL, 0, pc, NULL, NULL, NULL, NULL, 0, NULL, NULL, NULL, - has_namedattrp, p, cred); + has_namedattrp, clone_blksizep, p, cred); if (!error) *attrflagp = 1; } else { @@ -5395,7 +5402,8 @@ nfsrpc_getacl(vnode_t vp, struct ucred *cred, NFSPROC_T *p, struct acl *aclp) return (error); if (!nd->nd_repstat) error = nfsv4_loadattr(nd, vp, NULL, NULL, NULL, 0, NULL, - NULL, NULL, NULL, aclp, 0, NULL, NULL, NULL, NULL, p, cred); + NULL, NULL, NULL, aclp, 0, NULL, NULL, NULL, NULL, NULL, p, + cred); else error = nd->nd_repstat; m_freem(nd->nd_mrep); @@ -5437,7 +5445,7 @@ nfsrpc_setaclrpc(vnode_t vp, struct ucred *cred, NFSPROC_T *p, NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL); (void) nfsv4_fillattr(nd, vp->v_mount, vp, aclp, NULL, NULL, 0, &attrbits, NULL, NULL, 0, 0, 0, 0, (uint64_t)0, NULL, false, false, - false); + false, 0); error = nfscl_request(nd, vp, p, cred); if (error) return (error); @@ -8496,7 +8504,7 @@ nfsrpc_openlayoutrpc(struct nfsmount *nmp, vnode_t vp, u_int8_t *nfhp, if (*++tl == 0) { error = nfsv4_loadattr(nd, NULL, &nfsva, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, 0, - NULL, NULL, NULL, NULL, p, cred); + NULL, NULL, NULL, NULL, NULL, p, cred); if (error != 0) goto nfsmout; if (ndp != NULL) { @@ -9168,6 +9176,199 @@ nfsmout: } /* + * nfs clone operation. + */ +int +nfsrpc_clone(vnode_t invp, off_t *inoffp, vnode_t outvp, + off_t *outoffp, size_t *lenp, bool toeof, int *inattrflagp, + struct nfsvattr *innap, int *outattrflagp, struct nfsvattr *outnap, + struct ucred *cred) +{ + int error, expireret = 0, retrycnt; + uint32_t clidrev = 0; + struct nfsmount *nmp = VFSTONFS(invp->v_mount); + struct nfsfh *innfhp = NULL, *outnfhp = NULL; + nfsv4stateid_t instateid, outstateid; + void *inlckp, *outlckp; + + if (nmp->nm_clp != NULL) + clidrev = nmp->nm_clp->nfsc_clientidrev; + innfhp = VTONFS(invp)->n_fhp; + outnfhp = VTONFS(outvp)->n_fhp; + retrycnt = 0; + do { + /* Get both stateids. */ + inlckp = NULL; + nfscl_getstateid(invp, innfhp->nfh_fh, innfhp->nfh_len, + NFSV4OPEN_ACCESSREAD, 0, NULL, curthread, &instateid, + &inlckp); + outlckp = NULL; + nfscl_getstateid(outvp, outnfhp->nfh_fh, outnfhp->nfh_len, + NFSV4OPEN_ACCESSWRITE, 0, NULL, curthread, &outstateid, + &outlckp); + + error = nfsrpc_clonerpc(invp, *inoffp, outvp, *outoffp, lenp, + toeof, &instateid, &outstateid, innap, inattrflagp, outnap, + outattrflagp, cred, curthread); + if (error == 0) { + *inoffp += *lenp; + *outoffp += *lenp; + } else if (error == NFSERR_STALESTATEID) + nfscl_initiate_recovery(nmp->nm_clp); + if (inlckp != NULL) + nfscl_lockderef(inlckp); + if (outlckp != NULL) + nfscl_lockderef(outlckp); + if (error == NFSERR_GRACE || error == NFSERR_STALESTATEID || + error == NFSERR_STALEDONTRECOVER || error == NFSERR_DELAY || + error == NFSERR_OLDSTATEID || error == NFSERR_BADSESSION) { + (void) nfs_catnap(PZERO, error, "nfs_cfr"); + } else if ((error == NFSERR_EXPIRED || (!NFSHASINT(nmp) && + error == NFSERR_BADSTATEID)) && clidrev != 0) { + expireret = nfscl_hasexpired(nmp->nm_clp, clidrev, + curthread); + } else if (error == NFSERR_BADSTATEID && NFSHASINT(nmp)) { + error = EIO; + } + retrycnt++; + } while (error == NFSERR_GRACE || error == NFSERR_DELAY || + error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION || + error == NFSERR_STALEDONTRECOVER || + (error == NFSERR_OLDSTATEID && retrycnt < 20) || + ((error == NFSERR_EXPIRED || error == NFSERR_BADSTATEID) && + expireret == 0 && clidrev != 0 && retrycnt < 4)); + if (error != 0 && (retrycnt >= 4 || + error == NFSERR_STALESTATEID || error == NFSERR_BADSESSION || + error == NFSERR_STALEDONTRECOVER)) + error = EIO; + return (error); +} + +/* + * The clone RPC. + */ +static int +nfsrpc_clonerpc(vnode_t invp, off_t inoff, vnode_t outvp, off_t outoff, + size_t *lenp, bool toeof, nfsv4stateid_t *instateidp, + nfsv4stateid_t *outstateidp, struct nfsvattr *innap, int *inattrflagp, + struct nfsvattr *outnap, int *outattrflagp, struct ucred *cred, + NFSPROC_T *p) +{ + uint32_t *tl, *opcntp; + int error; + struct nfsrv_descript nfsd; + struct nfsrv_descript *nd = &nfsd; + struct nfsmount *nmp; + nfsattrbit_t attrbits; + struct vattr va; + uint64_t len; + + nmp = VFSTONFS(invp->v_mount); + *inattrflagp = *outattrflagp = 0; + len = *lenp; + if (len == 0) + return (0); + if (toeof) + len = 0; + nfscl_reqstart(nd, NFSPROC_CLONE, nmp, VTONFS(invp)->n_fhp->nfh_fh, + VTONFS(invp)->n_fhp->nfh_len, &opcntp, NULL, 0, 0, cred); + /* + * First do a Setattr of atime to the server's clock + * time. The FreeBSD "collective" was of the opinion + * that setting atime was necessary for this syscall. + * Do the Setattr before the Clone, so that it can be + * handled well if the server replies NFSERR_DELAY to + * the Setattr operation. + */ + if ((nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) { + NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_SETATTR); + nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID); + VATTR_NULL(&va); + va.va_atime.tv_sec = va.va_atime.tv_nsec = 0; + va.va_vaflags = VA_UTIMES_NULL; + nfscl_fillsattr(nd, &va, invp, 0, 0); + /* Bump opcnt from 7 to 8. */ + *opcntp = txdr_unsigned(8); + } + + /* Now Getattr the invp attributes. */ + NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_GETATTR); + NFSGETATTR_ATTRBIT(&attrbits); + nfsrv_putattrbit(nd, &attrbits); + + /* Set outvp. */ + NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_PUTFH); + (void)nfsm_fhtom(nmp, nd, VTONFS(outvp)->n_fhp->nfh_fh, + VTONFS(outvp)->n_fhp->nfh_len, 0); + + /* Do the Clone. */ + NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED); + *tl = txdr_unsigned(NFSV4OP_CLONE); + nfsm_stateidtom(nd, instateidp, NFSSTATEID_PUTSTATEID); + nfsm_stateidtom(nd, outstateidp, NFSSTATEID_PUTSTATEID); + NFSM_BUILD(tl, uint32_t *, 3 * NFSX_HYPER + NFSX_UNSIGNED); + txdr_hyper(inoff, tl); tl += 2; + txdr_hyper(outoff, tl); tl += 2; + txdr_hyper(len, tl); tl += 2; + + /* Get the outvp attributes. */ + *tl = txdr_unsigned(NFSV4OP_GETATTR); + NFSWRITEGETATTR_ATTRBIT(&attrbits); + nfsrv_putattrbit(nd, &attrbits); + + error = nfscl_request(nd, invp, p, cred); + if (error != 0) + return (error); + /* Skip over the Setattr reply. */ + if ((nd->nd_flag & ND_NOMOREDATA) == 0 && + (nmp->nm_mountp->mnt_flag & MNT_NOATIME) == 0) { + NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED); + if (*(tl + 1) == 0) { + error = nfsrv_getattrbits(nd, &attrbits, NULL, NULL); + if (error != 0) + goto nfsmout; + } else + nd->nd_flag |= ND_NOMOREDATA; + } + if ((nd->nd_flag & ND_NOMOREDATA) == 0) { + /* Get the input file's attributes. */ + NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED); + if (*(tl + 1) == 0) { + error = nfsm_loadattr(nd, innap); + if (error != 0) + goto nfsmout; + *inattrflagp = 1; + } else + nd->nd_flag |= ND_NOMOREDATA; + } + /* Skip over return stat for PutFH. */ + if ((nd->nd_flag & ND_NOMOREDATA) == 0) { + NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED); + if (*++tl != 0) + nd->nd_flag |= ND_NOMOREDATA; + } + /* Skip over return stat for Clone. */ + if ((nd->nd_flag & ND_NOMOREDATA) == 0) + NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED); + if (nd->nd_repstat == 0) { + NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED); + error = nfsm_loadattr(nd, outnap); + if (error == 0) + *outattrflagp = NFS_LATTR_NOSHRINK; + } else { + *lenp = 0; + } + if (error == 0) + error = nd->nd_repstat; +nfsmout: + m_freem(nd->nd_mrep); + return (error); +} + +/* * Seek operation. */ int @@ -9724,13 +9925,13 @@ nfscl_statfs(struct vnode *vp, struct ucred *cred, NFSPROC_T *td) struct nfsstatfs sb; struct mount *mp; struct nfsmount *nmp; - uint32_t lease; + uint32_t clone_blksize, lease; int attrflag, error; mp = vp->v_mount; nmp = VFSTONFS(mp); - error = nfsrpc_statfs(vp, &sb, &fs, &lease, cred, td, &nfsva, - &attrflag); + error = nfsrpc_statfs(vp, &sb, &fs, &lease, &clone_blksize, cred, td, + &nfsva, &attrflag); if (attrflag != 0) (void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1); if (error == 0) { @@ -9739,7 +9940,7 @@ nfscl_statfs(struct vnode *vp, struct ucred *cred, NFSPROC_T *td) nmp->nm_clp->nfsc_renew = NFSCL_RENEW(lease); NFSUNLOCKCLSTATE(); mtx_lock(&nmp->nm_mtx); - nfscl_loadfsinfo(nmp, &fs); + nfscl_loadfsinfo(nmp, &fs, clone_blksize); nfscl_loadsbinfo(nmp, &sb, &mp->mnt_stat); mp->mnt_stat.f_iosize = newnfs_iosize(nmp); mtx_unlock(&nmp->nm_mtx); diff --git a/sys/fs/nfsclient/nfs_clstate.c b/sys/fs/nfsclient/nfs_clstate.c index 99a781640c53..aa9d01fc4632 100644 --- a/sys/fs/nfsclient/nfs_clstate.c +++ b/sys/fs/nfsclient/nfs_clstate.c @@ -3701,7 +3701,7 @@ nfscl_docb(struct nfsrv_descript *nd, NFSPROC_T *p) if (!error) (void) nfsv4_fillattr(nd, NULL, NULL, NULL, &va, NULL, 0, &rattrbits, NULL, p, 0, 0, 0, 0, - (uint64_t)0, NULL, false, false, false); + (uint64_t)0, NULL, false, false, false, 0); break; case NFSV4OP_CBRECALL: NFSCL_DEBUG(4, "cbrecall\n"); diff --git a/sys/fs/nfsclient/nfs_clvfsops.c b/sys/fs/nfsclient/nfs_clvfsops.c index 0bd05c03885b..5ea7eab07632 100644 --- a/sys/fs/nfsclient/nfs_clvfsops.c +++ b/sys/fs/nfsclient/nfs_clvfsops.c @@ -292,8 +292,10 @@ nfs_statfs(struct mount *mp, struct statfs *sbp) int error = 0, attrflag, gotfsinfo = 0, ret; struct nfsnode *np; char *fakefh; + uint32_t clone_blksize; td = curthread; + clone_blksize = 0; error = vfs_busy(mp, MBF_NOWAIT); if (error) @@ -337,8 +339,8 @@ nfs_statfs(struct mount *mp, struct statfs *sbp) } else mtx_unlock(&nmp->nm_mtx); if (!error) - error = nfsrpc_statfs(vp, &sb, &fs, NULL, td->td_ucred, td, - &nfsva, &attrflag); + error = nfsrpc_statfs(vp, &sb, &fs, NULL, &clone_blksize, + td->td_ucred, td, &nfsva, &attrflag); if ((nmp->nm_privflag & NFSMNTP_FAKEROOTFH) != 0 && error == NFSERR_WRONGSEC) { /* Cannot get new stats, so return what is in mnt_stat. */ @@ -375,7 +377,7 @@ nfs_statfs(struct mount *mp, struct statfs *sbp) if (!error) { mtx_lock(&nmp->nm_mtx); if (gotfsinfo || (nmp->nm_flag & NFSMNT_NFSV4)) - nfscl_loadfsinfo(nmp, &fs); + nfscl_loadfsinfo(nmp, &fs, clone_blksize); nfscl_loadsbinfo(nmp, &sb, sbp); sbp->f_iosize = newnfs_iosize(nmp); mtx_unlock(&nmp->nm_mtx); @@ -408,7 +410,7 @@ ncl_fsinfo(struct nfsmount *nmp, struct vnode *vp, struct ucred *cred, if (attrflag) (void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1); mtx_lock(&nmp->nm_mtx); - nfscl_loadfsinfo(nmp, &fs); + nfscl_loadfsinfo(nmp, &fs, 0); mtx_unlock(&nmp->nm_mtx); } return (error); diff --git a/sys/fs/nfsclient/nfs_clvnops.c b/sys/fs/nfsclient/nfs_clvnops.c index fa451887e73e..a8b06fdb261b 100644 --- a/sys/fs/nfsclient/nfs_clvnops.c +++ b/sys/fs/nfsclient/nfs_clvnops.c @@ -1026,7 +1026,7 @@ nfs_getattr(struct vop_getattr_args *ap) * cached attributes should be ignored. */ if (nmp->nm_fhsize > 0 && ncl_getattrcache(vp, &vattr) == 0) { - ncl_copy_vattr(vap, &vattr); + ncl_copy_vattr(vp, vap, &vattr); /* * Get the local modify time for the case of a write @@ -1782,7 +1782,7 @@ nfs_mknodrpc(struct vnode *dvp, struct vnode **vpp, struct componentname *cnp, int error = 0, attrflag, dattrflag; u_int32_t rdev; - if (vap->va_type == VCHR || vap->va_type == VBLK) + if (VATTR_ISDEV(vap)) rdev = vap->va_rdev; else if (vap->va_type == VFIFO || vap->va_type == VSOCK) rdev = 0xffffffff; @@ -4027,31 +4027,51 @@ nfs_copy_file_range(struct vop_copy_file_range_args *ap) struct vattr va, *vap; struct uio io; struct nfsmount *nmp; + struct nfsnode *np; size_t len, len2; ssize_t r; int error, inattrflag, outattrflag, ret, ret2, invp_lock; off_t inoff, outoff; - bool consecutive, must_commit, tryoutcred; + bool consecutive, must_commit, onevp, toeof, tryclone, tryoutcred; + bool mustclone; /* * NFSv4.2 Copy is not permitted for infile == outfile. + * The NFSv4.2 Clone operation does work on non-overlapping + * byte ranges in the same file, but only if offsets + * (and len if not to EOF) are aligned properly. * TODO: copy_file_range() between multiple NFS mountpoints + * --> This is not possible now, since each mount appears to + * the NFSv4.n server as a separate client. */ - if (invp == outvp || invp->v_mount != outvp->v_mount) { + if ((invp == outvp && (ap->a_flags & COPY_FILE_RANGE_CLONE) == 0) || + (invp != outvp && invp->v_mount != outvp->v_mount)) { generic_copy: return (ENOSYS); } - - invp_lock = LK_SHARED; + if (invp == outvp) { + onevp = true; + invp_lock = LK_EXCLUSIVE; + } else { + onevp = false; + invp_lock = LK_SHARED; + } + mustclone = false; + if (onevp || (ap->a_flags & COPY_FILE_RANGE_CLONE) != 0) + mustclone = true; relock: + inoff = *ap->a_inoffp; + outoff = *ap->a_outoffp; - /* Lock both vnodes, avoiding risk of deadlock. */ + /* Lock vnode(s), avoiding risk of deadlock. */ do { mp = NULL; error = vn_start_write(outvp, &mp, V_WAIT); if (error == 0) { error = vn_lock(outvp, LK_EXCLUSIVE); if (error == 0) { + if (onevp) + break; error = vn_lock(invp, invp_lock | LK_NOWAIT); if (error == 0) break; @@ -4071,16 +4091,24 @@ relock: return (error); /* - * More reasons to avoid nfs copy: not NFSv4.2, or explicitly - * disabled. + * More reasons to avoid nfs copy/clone: not NFSv4.2, explicitly + * disabled or requires cloning and unable to clone. + * Only clone if the clone_blksize attribute is supported + * and the clone_blksize is greater than 0. + * Alignment of offsets and length will be checked later. */ nmp = VFSTONFS(invp->v_mount); + np = VTONFS(invp); mtx_lock(&nmp->nm_mtx); + if ((nmp->nm_privflag & NFSMNTP_NOCOPY) != 0) + mustclone = true; if (!NFSHASNFSV4(nmp) || nmp->nm_minorvers < NFSV42_MINORVERSION || - (nmp->nm_privflag & NFSMNTP_NOCOPY) != 0) { + (mustclone && (!NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr, + NFSATTRBIT_CLONEBLKSIZE) || nmp->nm_cloneblksize == 0))) { mtx_unlock(&nmp->nm_mtx); VOP_UNLOCK(invp); - VOP_UNLOCK(outvp); + if (!onevp) + VOP_UNLOCK(outvp); /* For onevp, same as invp. */ if (mp != NULL) vn_finished_write(mp); goto generic_copy; @@ -4111,6 +4139,8 @@ relock: invp_obj = invp->v_object; if (invp_obj != NULL && vm_object_mightbedirty(invp_obj)) { if (invp_lock != LK_EXCLUSIVE) { + KASSERT(!onevp, ("nfs_copy_file_range: " + "invp_lock LK_SHARED for onevp")); invp_lock = LK_EXCLUSIVE; VOP_UNLOCK(invp); VOP_UNLOCK(outvp); @@ -4134,10 +4164,10 @@ relock: else consecutive = false; mtx_unlock(&nmp->nm_mtx); - inoff = *ap->a_inoffp; - outoff = *ap->a_outoffp; tryoutcred = true; must_commit = false; + toeof = false; + if (error == 0) { vap = &VTONFS(invp)->n_vattr.na_vattr; error = VOP_GETATTR(invp, vap, ap->a_incred); @@ -4169,29 +4199,63 @@ relock: if (error == 0 && ret != 0) error = ret; } - } else if (inoff + len > vap->va_size) + } else if (inoff + len >= vap->va_size) { + toeof = true; *ap->a_lenp = len = vap->va_size - inoff; + } } else error = 0; } /* + * For cloning, the offsets must be clone blksize aligned and + * the len must be blksize aligned unless it goes to EOF on + * the input file. + */ + tryclone = false; + if (len > 0) { + if (error == 0 && NFSISSET_ATTRBIT(&np->n_vattr.na_suppattr, + NFSATTRBIT_CLONEBLKSIZE) && nmp->nm_cloneblksize != 0 && + (inoff % nmp->nm_cloneblksize) == 0 && + (outoff % nmp->nm_cloneblksize) == 0 && + (toeof || (len % nmp->nm_cloneblksize) == 0)) + tryclone = true; + else if (mustclone) + error = ENOSYS; + } + + /* * len will be set to 0 upon a successful Copy RPC. - * As such, this only loops when the Copy RPC needs to be retried. + * As such, this only loops when the Copy/Clone RPC needs to be retried. */ while (len > 0 && error == 0) { inattrflag = outattrflag = 0; len2 = len; - if (tryoutcred) - error = nfsrpc_copy_file_range(invp, ap->a_inoffp, - outvp, ap->a_outoffp, &len2, ap->a_flags, - &inattrflag, &innfsva, &outattrflag, &outnfsva, - ap->a_outcred, consecutive, &must_commit); - else - error = nfsrpc_copy_file_range(invp, ap->a_inoffp, - outvp, ap->a_outoffp, &len2, ap->a_flags, - &inattrflag, &innfsva, &outattrflag, &outnfsva, - ap->a_incred, consecutive, &must_commit); + if (tryclone) { + if (tryoutcred) + error = nfsrpc_clone(invp, ap->a_inoffp, outvp, + ap->a_outoffp, &len2, toeof, &inattrflag, + &innfsva, &outattrflag, &outnfsva, + ap->a_outcred); + else + error = nfsrpc_clone(invp, ap->a_inoffp, outvp, + ap->a_outoffp, &len2, toeof, &inattrflag, + &innfsva, &outattrflag, &outnfsva, + ap->a_incred); + } else { + if (tryoutcred) + error = nfsrpc_copy_file_range(invp, + ap->a_inoffp, outvp, ap->a_outoffp, &len2, + ap->a_flags, &inattrflag, &innfsva, + &outattrflag, &outnfsva, + ap->a_outcred, consecutive, &must_commit); + else + error = nfsrpc_copy_file_range(invp, + ap->a_inoffp, outvp, ap->a_outoffp, &len2, + ap->a_flags, &inattrflag, &innfsva, + &outattrflag, &outnfsva, + ap->a_incred, consecutive, &must_commit); + } if (inattrflag != 0) ret = nfscl_loadattrcache(&invp, &innfsva, NULL, 0, 1); if (outattrflag != 0) @@ -4230,6 +4294,13 @@ relock: /* Try again with incred. */ tryoutcred = false; error = 0; + } else if (tryclone && error != 0) { + if (mustclone) { + error = ENOSYS; + } else { + tryclone = false; + error = 0; + } } if (error == NFSERR_STALEWRITEVERF) { /* @@ -4243,11 +4314,12 @@ relock: } } VOP_UNLOCK(invp); - VOP_UNLOCK(outvp); + if (!onevp) + VOP_UNLOCK(outvp); /* For onevp, same as invp. */ if (mp != NULL) vn_finished_write(mp); if (error == NFSERR_NOTSUPP || error == NFSERR_OFFLOADNOREQS || - error == NFSERR_ACCES) { + error == NFSERR_ACCES || error == ENOSYS) { /* * Unlike the NFSv4.2 Copy, vn_generic_copy_file_range() can * use a_incred for the read and a_outcred for the write, so @@ -4255,7 +4327,7 @@ relock: * For NFSERR_NOTSUPP and NFSERR_OFFLOADNOREQS, the Copy can * never succeed, so disable it. */ - if (error != NFSERR_ACCES) { + if (error != NFSERR_ACCES && error != ENOSYS) { /* Can never do Copy on this mount. */ mtx_lock(&nmp->nm_mtx); nmp->nm_privflag |= NFSMNTP_NOCOPY; @@ -4596,6 +4668,7 @@ nfs_pathconf(struct vop_pathconf_args *ap) struct nfsmount *nmp; struct thread *td = curthread; off_t off; + uint32_t clone_blksize; bool eof, has_namedattr, named_enabled; int attrflag, error; struct nfsnode *np; @@ -4604,19 +4677,22 @@ nfs_pathconf(struct vop_pathconf_args *ap) np = VTONFS(vp); named_enabled = false; has_namedattr = false; + clone_blksize = 0; if ((NFS_ISV34(vp) && (ap->a_name == _PC_LINK_MAX || ap->a_name == _PC_NAME_MAX || ap->a_name == _PC_CHOWN_RESTRICTED || ap->a_name == _PC_NO_TRUNC)) || (NFS_ISV4(vp) && (ap->a_name == _PC_ACL_NFS4 || - ap->a_name == _PC_HAS_NAMEDATTR))) { + ap->a_name == _PC_HAS_NAMEDATTR || + ap->a_name == _PC_CLONE_BLKSIZE))) { /* * Since only the above 4 a_names are returned by the NFSv3 * Pathconf RPC, there is no point in doing it for others. * For NFSv4, the Pathconf RPC (actually a Getattr Op.) can - * be used for _PC_ACL_NFS4 and _PC_HAS_NAMEDATTR as well. + * be used for _PC_ACL_NFS4, _PC_HAS_NAMEDATTR and + * _PC_CLONE_BLKSIZE as well. */ - error = nfsrpc_pathconf(vp, &pc, &has_namedattr, td->td_ucred, - td, &nfsva, &attrflag); + error = nfsrpc_pathconf(vp, &pc, &has_namedattr, &clone_blksize, + td->td_ucred, td, &nfsva, &attrflag); if (attrflag != 0) (void) nfscl_loadattrcache(&vp, &nfsva, NULL, 0, 1); if (error != 0) @@ -4771,6 +4847,9 @@ nfs_pathconf(struct vop_pathconf_args *ap) else *ap->a_retval = 0; break; + case _PC_CLONE_BLKSIZE: + *ap->a_retval = clone_blksize; + break; default: error = vop_stdpathconf(ap); diff --git a/sys/fs/nfsclient/nfsmount.h b/sys/fs/nfsclient/nfsmount.h index 37b84a015dab..ef876dd30e59 100644 --- a/sys/fs/nfsclient/nfsmount.h +++ b/sys/fs/nfsclient/nfsmount.h @@ -87,6 +87,7 @@ struct nfsmount { /* unclipped, wraps to 0 */ struct __rpc_client *nm_aconn[NFS_MAXNCONN - 1]; /* Additional nconn */ /* Locked via nm_sockreq.nr_mtx */ + uint32_t nm_cloneblksize; /* Block cloning alignment */ u_int16_t nm_krbnamelen; /* Krb5 host principal, if any */ u_int16_t nm_dirpathlen; /* and mount dirpath, for V4 */ u_int16_t nm_srvkrbnamelen; /* and the server's target name */ |