1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* Functions for sync.
Copyright (C) 1994 Free Software Foundation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "priv.h"
/* Have the kernel write back all dirty pages in the pager; if
WAIT is set, then wait for them to be finally written before
returning. */
void
pager_sync (struct pager *p, int wait)
{
vm_address_t offset;
vm_size_t len;
pager_report_extent (p->upi, &offset, &len);
_pager_lock_object (p, offset, len, MEMORY_OBJECT_RETURN_DIRTY, 0,
VM_PROT_NO_CHANGE, wait);
}
/* Have the kernel write back some pages of a pager; if WAIT is set,
then wait for them to be finally written before returning. */
void
pager_sync_some (struct pager *p, vm_address_t offset,
vm_size_t size, int wait)
{
_pager_lock_object (p, offset, size, MEMORY_OBJECT_RETURN_DIRTY, 0,
VM_PROT_NO_CHANGE, wait);
}
|
