83 nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,   in nfsd_cross_mnt()  argument
96 	exp2 = rqst_exp_get_by_name(rqstp, &path);  in nfsd_cross_mnt()
111 	if (nfsd_v4client(rqstp) ||  in nfsd_cross_mnt()
142 static int nfsd_lookup_parent(struct svc_rqst *rqstp, struct dentry *dparent, struct svc_export **e…  in nfsd_lookup_parent()  argument
150 	exp2 = rqst_exp_parent(rqstp, &path);  in nfsd_lookup_parent()
181 nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_lookup_dentry()  argument
201 		else if (!EX_NOHIDE(exp) && !nfsd_v4client(rqstp))  in nfsd_lookup_dentry()
205 			host_err = nfsd_lookup_parent(rqstp, dparent, &exp, &dentry);  in nfsd_lookup_dentry()
224 			if ((host_err = nfsd_cross_mnt(rqstp, &dentry, &exp))) {  in nfsd_lookup_dentry()
252 nfsd_lookup(struct svc_rqst *rqstp, struct svc_fh *fhp, const char *name,  in nfsd_lookup()  argument
259 	err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_EXEC);  in nfsd_lookup()
262 	err = nfsd_lookup_dentry(rqstp, fhp, name, len, &exp, &dentry);  in nfsd_lookup()
265 	err = check_nfsd_access(exp, rqstp);  in nfsd_lookup()
328 nfsd_get_write_access(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_get_write_access()  argument
337 		err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,  in nfsd_get_write_access()
362 nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,  in nfsd_setattr()  argument
383 	err = fh_verify(rqstp, fhp, ftype, accmode);  in nfsd_setattr()
409 		err = nfsd_get_write_access(rqstp, fhp, iap);  in nfsd_setattr()
475 __be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd4_set_nfs4_label()  argument
482 	error = fh_verify(rqstp, fhp, 0 /* S_IFREG */, NFSD_MAY_SATTR);  in nfsd4_set_nfs4_label()
494 __be32 nfsd4_set_nfs4_label(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd4_set_nfs4_label()  argument
501 __be32 nfsd4_vfs_fallocate(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd4_vfs_fallocate()  argument
562 nfsd_access(struct svc_rqst *rqstp, struct svc_fh *fhp, u32 *access, u32 *supported)  in nfsd_access()  argument
570 	error = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP);  in nfsd_access()
592 			err2 = nfsd_permission(rqstp, export, dentry, map->how);  in nfsd_access()
637 nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type,  in nfsd_open()  argument
662 	err = fh_verify(rqstp, fhp, type, may_flags);  in nfsd_open()
791 	struct svc_rqst *rqstp = sd->u.data;  in nfsd_splice_actor()  local
792 	struct page **pp = rqstp->rq_next_page;  in nfsd_splice_actor()
798 	if (rqstp->rq_res.page_len == 0) {  in nfsd_splice_actor()
800 		put_page(*rqstp->rq_next_page);  in nfsd_splice_actor()
801 		*(rqstp->rq_next_page++) = page;  in nfsd_splice_actor()
802 		rqstp->rq_res.page_base = buf->offset;  in nfsd_splice_actor()
803 		rqstp->rq_res.page_len = size;  in nfsd_splice_actor()
806 		if (*rqstp->rq_next_page)  in nfsd_splice_actor()
807 			put_page(*rqstp->rq_next_page);  in nfsd_splice_actor()
808 		*(rqstp->rq_next_page++) = page;  in nfsd_splice_actor()
809 		rqstp->rq_res.page_len += size;  in nfsd_splice_actor()
811 		rqstp->rq_res.page_len += size;  in nfsd_splice_actor()
834 __be32 nfsd_splice_read(struct svc_rqst *rqstp,  in nfsd_splice_read()  argument
841 		.u.data		= rqstp,  in nfsd_splice_read()
845 	rqstp->rq_next_page = rqstp->rq_respages + 1;  in nfsd_splice_read()
864 nfsd_vfs_read(struct svc_rqst *rqstp, struct file *file,  in nfsd_vfs_read()  argument
867 	if (file->f_op->splice_read && test_bit(RQ_SPLICE_OK, &rqstp->rq_flags))  in nfsd_vfs_read()
868 		return nfsd_splice_read(rqstp, file, offset, count);  in nfsd_vfs_read()
911 nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,  in nfsd_vfs_write()  argument
926 	if (test_bit(RQ_LOCAL, &rqstp->rq_flags))  in nfsd_vfs_write()
938 	use_wgather = (rqstp->rq_vers == 2) && EX_WGATHER(exp);  in nfsd_vfs_write()
969 	if (test_bit(RQ_LOCAL, &rqstp->rq_flags))  in nfsd_vfs_write()
979 __be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_read()  argument
986 	err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_READ, &file);  in nfsd_read()
991 	err = nfsd_vfs_read(rqstp, file, offset, vec, vlen, count);  in nfsd_read()
1005 nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,  in nfsd_write()  argument
1012 		err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,  in nfsd_write()
1016 		err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen, cnt,  in nfsd_write()
1019 		err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);  in nfsd_write()
1024 			err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen,  in nfsd_write()
1043 nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_commit()  argument
1058 	err = nfsd_open(rqstp, fhp, S_IFREG,  in nfsd_commit()
1078 nfsd_create_setattr(struct svc_rqst *rqstp, struct svc_fh *resfhp,  in nfsd_create_setattr()  argument
1093 		return nfsd_setattr(rqstp, resfhp, iap, 0, (time_t)0);  in nfsd_create_setattr()
1122 nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_create()  argument
1139 	err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);  in nfsd_create()
1224 	err = nfsd_create_setattr(rqstp, resfhp, iap);  in nfsd_create()
1256 do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,  in do_nfsd_create()  argument
1275 	err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_EXEC);  in do_nfsd_create()
1304 		err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);  in do_nfsd_create()
1392 	err = nfsd_create_setattr(rqstp, resfhp, iap);  in do_nfsd_create()
1426 nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)  in nfsd_readlink()  argument
1434 	err = fh_verify(rqstp, fhp, S_IFLNK, NFSD_MAY_NOP);  in nfsd_readlink()
1472 nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,  in nfsd_symlink()  argument
1488 	err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);  in nfsd_symlink()
1527 nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,  in nfsd_link()  argument
1535 	err = fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_CREATE);  in nfsd_link()
1538 	err = fh_verify(rqstp, tfhp, 0, NFSD_MAY_NOP);  in nfsd_link()
1577 		if (host_err == -EXDEV && rqstp->rq_vers == 2)  in nfsd_link()
1600 nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,  in nfsd_rename()  argument
1608 	err = fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_REMOVE);  in nfsd_rename()
1611 	err = fh_verify(rqstp, tfhp, S_IFDIR, NFSD_MAY_CREATE);  in nfsd_rename()
1696 nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,  in nfsd_unlink()  argument
1707 	err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_REMOVE);  in nfsd_unlink()
1877 nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,   in nfsd_readdir()  argument
1886 	if (rqstp->rq_vers > 2)  in nfsd_readdir()
1889 	err = nfsd_open(rqstp, fhp, S_IFDIR, may_flags, &file);  in nfsd_readdir()
1914 nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat, int access)  in nfsd_statfs()  argument
1918 	err = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP | access);  in nfsd_statfs()
1930 static int exp_rdonly(struct svc_rqst *rqstp, struct svc_export *exp)  in exp_rdonly()  argument
1932 	return nfsexp_flags(rqstp, exp) & NFSEXP_READONLY;  in exp_rdonly()
1939 nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,  in nfsd_permission()  argument
1971 			if (exp_rdonly(rqstp, exp) ||  in nfsd_permission()