diff options
Diffstat (limited to 'include/os/freebsd/spl/sys/vm.h')
| -rw-r--r-- | include/os/freebsd/spl/sys/vm.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/os/freebsd/spl/sys/vm.h b/include/os/freebsd/spl/sys/vm.h new file mode 100644 index 0000000000000..7b3830be8a579 --- /dev/null +++ b/include/os/freebsd/spl/sys/vm.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2013 EMC Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _OPENSOLARIS_SYS_VM_H_ +#define _OPENSOLARIS_SYS_VM_H_ + +#include <sys/sf_buf.h> + +extern const int zfs_vm_pagerret_bad; +extern const int zfs_vm_pagerret_error; +extern const int zfs_vm_pagerret_ok; +extern const int zfs_vm_pagerput_sync; +extern const int zfs_vm_pagerput_inval; + +void zfs_vmobject_assert_wlocked(vm_object_t object); +void zfs_vmobject_wlock(vm_object_t object); +void zfs_vmobject_wunlock(vm_object_t object); + +#if __FreeBSD_version >= 1300081 +#define zfs_vmobject_assert_wlocked_12(x) +#define zfs_vmobject_wlock_12(x) +#define zfs_vmobject_wunlock_12(x) +#else +#define zfs_vmobject_assert_wlocked_12(x) \ + zfs_vmobject_assert_wlocked((x)) +#define zfs_vmobject_wlock_12(x) \ + zfs_vmobject_wlock(x) +#define zfs_vmobject_wunlock_12(x) \ + zfs_vmobject_wunlock(x) +#define vm_page_grab_unlocked(obj, idx, flags) \ + vm_page_grab((obj), (idx), (flags)) +#define vm_page_grab_valid_unlocked(m, obj, idx, flags) \ + vm_page_grab_valid((m), (obj), (idx), (flags)) +#endif +static inline caddr_t +zfs_map_page(vm_page_t pp, struct sf_buf **sfp) +{ + *sfp = sf_buf_alloc(pp, 0); + return ((caddr_t)sf_buf_kva(*sfp)); +} + +static inline void +zfs_unmap_page(struct sf_buf *sf) +{ + sf_buf_free(sf); +} + +#endif /* _OPENSOLARIS_SYS_VM_H_ */ |