2 * Copyright (c) 2013 EMC Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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29 #ifndef _OPENSOLARIS_SYS_VM_H_
30 #define _OPENSOLARIS_SYS_VM_H_
34 #include <sys/sf_buf.h>
36 extern const int zfs_vm_pagerret_bad;
37 extern const int zfs_vm_pagerret_error;
38 extern const int zfs_vm_pagerret_ok;
39 extern const int zfs_vm_pagerput_sync;
40 extern const int zfs_vm_pagerput_inval;
42 void zfs_vmobject_assert_wlocked(vm_object_t object);
43 void zfs_vmobject_wlock(vm_object_t object);
44 void zfs_vmobject_wunlock(vm_object_t object);
47 zfs_map_page(vm_page_t pp, struct sf_buf **sfp)
49 *sfp = sf_buf_alloc(pp, 0);
50 return ((caddr_t)sf_buf_kva(*sfp));
54 zfs_unmap_page(struct sf_buf *sf)
61 #endif /* _OPENSOLARIS_SYS_VM_H_ */