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Diffstat (limited to 'include/sys/uio_impl.h')
| -rw-r--r-- | include/sys/uio_impl.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/include/sys/uio_impl.h b/include/sys/uio_impl.h deleted file mode 100644 index eea832ec993b..000000000000 --- a/include/sys/uio_impl.h +++ /dev/null @@ -1,106 +0,0 @@ -// SPDX-License-Identifier: CDDL-1.0 -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License (the "License"). - * You may not use this file except in compliance with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or https://opensource.org/licenses/CDDL-1.0. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2010 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ -/* All Rights Reserved */ - -/* - * University Copyright- Copyright (c) 1982, 1986, 1988 - * The Regents of the University of California - * All Rights Reserved - * - * University Acknowledgment- Portions of this document are derived from - * software developed by the University of California, Berkeley, and its - * contributors. - */ - -#ifndef _SYS_UIO_IMPL_H -#define _SYS_UIO_IMPL_H - -#include <sys/uio.h> -#include <sys/sysmacros.h> - -extern int zfs_uiomove(void *, size_t, zfs_uio_rw_t, zfs_uio_t *); -extern int zfs_uiocopy(void *, size_t, zfs_uio_rw_t, zfs_uio_t *, size_t *); -extern void zfs_uioskip(zfs_uio_t *, size_t); -extern void zfs_uio_free_dio_pages(zfs_uio_t *, zfs_uio_rw_t); -extern int zfs_uio_get_dio_pages_alloc(zfs_uio_t *, zfs_uio_rw_t); -extern boolean_t zfs_uio_page_aligned(zfs_uio_t *); - -static inline boolean_t -zfs_dio_page_aligned(void *buf) -{ - return ((((uintptr_t)(buf) & (PAGESIZE - 1)) == 0) ? - B_TRUE : B_FALSE); -} - -static inline boolean_t -zfs_dio_offset_aligned(uint64_t offset, uint64_t blksz) -{ - return (IS_P2ALIGNED(offset, blksz)); -} - -static inline boolean_t -zfs_dio_size_aligned(uint64_t size, uint64_t blksz) -{ - return ((size % blksz) == 0); -} - -static inline boolean_t -zfs_dio_aligned(uint64_t offset, uint64_t size, uint64_t blksz) -{ - return (zfs_dio_offset_aligned(offset, blksz) && - zfs_dio_size_aligned(size, blksz)); -} - -static inline boolean_t -zfs_uio_aligned(zfs_uio_t *uio, uint64_t blksz) -{ - return (zfs_dio_aligned(zfs_uio_offset(uio), zfs_uio_resid(uio), - blksz)); -} - -static inline void -zfs_uio_iov_at_index(zfs_uio_t *uio, uint_t idx, void **base, uint64_t *len) -{ - *base = zfs_uio_iovbase(uio, idx); - *len = zfs_uio_iovlen(uio, idx); -} - -static inline offset_t -zfs_uio_index_at_offset(zfs_uio_t *uio, offset_t off, uint_t *vec_idx) -{ - *vec_idx = 0; - while (*vec_idx < zfs_uio_iovcnt(uio) && - off >= zfs_uio_iovlen(uio, *vec_idx)) { - off -= zfs_uio_iovlen(uio, *vec_idx); - (*vec_idx)++; - } - - return (off); -} - -#endif /* _SYS_UIO_IMPL_H */ |