1 /* 2 * Copyright (c) 2013 EMC Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _OPENSOLARIS_SYS_VM_H_ 30 #define _OPENSOLARIS_SYS_VM_H_ 31 32 #include <sys/sf_buf.h> 33 34 extern const int zfs_vm_pagerret_bad; 35 extern const int zfs_vm_pagerret_error; 36 extern const int zfs_vm_pagerret_ok; 37 extern const int zfs_vm_pagerput_sync; 38 extern const int zfs_vm_pagerput_inval; 39 40 void zfs_vmobject_assert_wlocked(vm_object_t object); 41 void zfs_vmobject_wlock(vm_object_t object); 42 void zfs_vmobject_wunlock(vm_object_t object); 43 44 #if __FreeBSD_version >= 1300081 45 #define zfs_vmobject_assert_wlocked_12(x) 46 #define zfs_vmobject_wlock_12(x) 47 #define zfs_vmobject_wunlock_12(x) 48 #else 49 #define zfs_vmobject_assert_wlocked_12(x) \ 50 zfs_vmobject_assert_wlocked((x)) 51 #define zfs_vmobject_wlock_12(x) \ 52 zfs_vmobject_wlock(x) 53 #define zfs_vmobject_wunlock_12(x) \ 54 zfs_vmobject_wunlock(x) 55 #define vm_page_grab_unlocked(obj, idx, flags) \ 56 vm_page_grab((obj), (idx), (flags)) 57 #define vm_page_grab_valid_unlocked(m, obj, idx, flags) \ 58 vm_page_grab_valid((m), (obj), (idx), (flags)) 59 #endif 60 static inline caddr_t 61 zfs_map_page(vm_page_t pp, struct sf_buf **sfp) 62 { 63 *sfp = sf_buf_alloc(pp, 0); 64 return ((caddr_t)sf_buf_kva(*sfp)); 65 } 66 67 static inline void 68 zfs_unmap_page(struct sf_buf *sf) 69 { 70 sf_buf_free(sf); 71 } 72 73 #endif /* _OPENSOLARIS_SYS_VM_H_ */ 74