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vm_pager_put_pages() is passed an rcval array to hold per-page return

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values.  The 'int' return value for the procedure was never used and
    not well defined in any case when there are mixed errors on pages, so
    it has been removed.  vm_pager_put_pages() and associated vm_pager
    functions now return void.
This commit is contained in:
Matthew Dillon 1999-01-24 02:32:15 +00:00
parent e1a4feafd0
commit e4542174b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=43129
7 changed files with 31 additions and 33 deletions
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8
sys/vm/default_pager.c
View File

@ -36,7 +36,7 @@
* physically freed after having been cleaned and even then vm_page->swapblk
* is maintained whenever a resident page also has swap backing store.
*
* $Id: default_pager.c,v 1.17 1999/01/21 08:29:09 dillon Exp $
* $Id: default_pager.c,v 1.18 1999/01/21 09:33:06 dillon Exp $
*/
#include <sys/param.h>
@ -56,7 +56,7 @@ static vm_object_t default_pager_alloc __P((void *, vm_ooffset_t, vm_prot_t,
vm_ooffset_t));
static void default_pager_dealloc __P((vm_object_t));
static int default_pager_getpages __P((vm_object_t, vm_page_t *, int, int));
static int default_pager_putpages __P((vm_object_t, vm_page_t *, int,
static void default_pager_putpages __P((vm_object_t, vm_page_t *, int,
boolean_t, int *));
static boolean_t default_pager_haspage __P((vm_object_t, vm_pindex_t, int *,
int *));
@ -126,7 +126,7 @@ default_pager_getpages(object, m, count, reqpage)
* cache to the free list.
*/
static int
static void
default_pager_putpages(object, m, c, sync, rtvals)
vm_object_t object;
vm_page_t *m;
@ -134,7 +134,7 @@ default_pager_putpages(object, m, c, sync, rtvals)
boolean_t sync;
int *rtvals;
{
return swap_pager_putpages(object, m, c, sync, rtvals);
swap_pager_putpages(object, m, c, sync, rtvals);
}
/*

6
sys/vm/device_pager.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)device_pager.c 8.1 (Berkeley) 6/11/93
* $Id: device_pager.c,v 1.37 1999/01/08 17:31:23 eivind Exp $
* $Id: device_pager.c,v 1.38 1999/01/21 08:29:09 dillon Exp $
*/
#include <sys/param.h>
@ -57,7 +57,7 @@ static vm_object_t dev_pager_alloc __P((void *, vm_ooffset_t, vm_prot_t,
vm_ooffset_t));
static void dev_pager_dealloc __P((vm_object_t));
static int dev_pager_getpages __P((vm_object_t, vm_page_t *, int, int));
static int dev_pager_putpages __P((vm_object_t, vm_page_t *, int,
static void dev_pager_putpages __P((vm_object_t, vm_page_t *, int,
boolean_t, int *));
static boolean_t dev_pager_haspage __P((vm_object_t, vm_pindex_t, int *,
int *));
@ -225,7 +225,7 @@ dev_pager_getpages(object, m, count, reqpage)
return (VM_PAGER_OK);
}
static int
static void
dev_pager_putpages(object, m, count, sync, rtvals)
vm_object_t object;
vm_page_t *m;

13
sys/vm/swap_pager.c
View File

@ -64,7 +64,7 @@
*
* @(#)swap_pager.c 8.9 (Berkeley) 3/21/94
*
* $Id: swap_pager.c,v 1.108 1999/01/21 08:29:09 dillon Exp $
* $Id: swap_pager.c,v 1.109 1999/01/21 09:33:07 dillon Exp $
*/
#include <sys/param.h>
@ -974,7 +974,7 @@ swap_pager_getpages(object, m, count, reqpage)
* We need to unbusy the rest on I/O completion.
*/
int
void
swap_pager_putpages(object, m, count, sync, rtvals)
vm_object_t object;
vm_page_t *m;
@ -984,7 +984,6 @@ swap_pager_putpages(object, m, count, sync, rtvals)
{
int i;
int n = 0;
int grv = VM_PAGER_OK;
#if !defined(MAX_PERF)
if (count && m[0]->object != object) {
@ -1046,7 +1045,6 @@ swap_pager_putpages(object, m, count, sync, rtvals)
for (j = 0; j < n; ++j) {
rtvals[i+j] = VM_PAGER_FAIL;
}
grv = VM_PAGER_FAIL;
continue;
}
@ -1129,7 +1127,6 @@ swap_pager_putpages(object, m, count, sync, rtvals)
rtvals[i+j] = VM_PAGER_PEND;
splx(s);
grv = VM_PAGER_PEND;
continue;
}
@ -1152,16 +1149,20 @@ swap_pager_putpages(object, m, count, sync, rtvals)
tsleep(bp, PVM, "swwrt", 0);
}
#if 0
if (bp->b_flags & B_ERROR) {
grv = VM_PAGER_ERROR;
}
#endif
for (j = 0; j < n; ++j)
rtvals[i+j] = VM_PAGER_PEND;
#if 0
if (bp->b_flags & B_ERROR) {
grv = VM_PAGER_ERROR;
}
#endif
/*
* Now that we are through with the bp, we can call the
@ -1172,8 +1173,6 @@ swap_pager_putpages(object, m, count, sync, rtvals)
splx(s);
}
return(grv);
}
/*

4
sys/vm/swap_pager.h
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* from: @(#)swap_pager.h 7.1 (Berkeley) 12/5/90
* $Id: swap_pager.h,v 1.22 1998/07/10 21:50:17 alex Exp $
* $Id: swap_pager.h,v 1.23 1999/01/21 08:29:10 dillon Exp $
*/
/*
@ -88,7 +88,7 @@ extern struct pagerlst swap_pager_un_object_list;
extern int swap_pager_full;
extern struct blist *swapblist;
int swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
void swap_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
boolean_t swap_pager_haspage __P((vm_object_t object, vm_pindex_t pindex, int *before, int *after));
int swap_pager_swp_alloc __P((vm_object_t, int));

16
sys/vm/vm_pager.c
View File

@ -61,7 +61,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: vm_pager.c,v 1.41 1999/01/21 08:29:12 dillon Exp $
* $Id: vm_pager.c,v 1.42 1999/01/21 10:15:24 dillon Exp $
*/
/*
@ -96,11 +96,11 @@ int cluster_pbuf_freecnt = -1; /* unlimited to begin with */
static int dead_pager_getpages __P((vm_object_t, vm_page_t *, int, int));
static vm_object_t dead_pager_alloc __P((void *, vm_ooffset_t, vm_prot_t,
vm_ooffset_t));
static int dead_pager_putpages __P((vm_object_t, vm_page_t *, int, int, int *));
static void dead_pager_putpages __P((vm_object_t, vm_page_t *, int, int, int *));
static boolean_t dead_pager_haspage __P((vm_object_t, vm_pindex_t, int *, int *));
static void dead_pager_dealloc __P((vm_object_t));
int
static int
dead_pager_getpages(obj, ma, count, req)
vm_object_t obj;
vm_page_t *ma;
@ -110,7 +110,7 @@ dead_pager_getpages(obj, ma, count, req)
return VM_PAGER_FAIL;
}
vm_object_t
static vm_object_t
dead_pager_alloc(handle, size, prot, off)
void *handle;
vm_ooffset_t size;
@ -120,7 +120,7 @@ dead_pager_alloc(handle, size, prot, off)
return NULL;
}
int
static void
dead_pager_putpages(object, m, count, flags, rtvals)
vm_object_t object;
vm_page_t *m;
@ -129,13 +129,13 @@ dead_pager_putpages(object, m, count, flags, rtvals)
int *rtvals;
{
int i;
for (i = 0; i < count; i++) {
rtvals[i] = VM_PAGER_AGAIN;
}
return VM_PAGER_AGAIN;
}
int
static int
dead_pager_haspage(object, pindex, prev, next)
vm_object_t object;
vm_pindex_t pindex;
@ -149,7 +149,7 @@ dead_pager_haspage(object, pindex, prev, next)
return FALSE;
}
void
static void
dead_pager_dealloc(object)
vm_object_t object;
{

10
sys/vm/vm_pager.h
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vm_pager.h 8.4 (Berkeley) 1/12/94
* $Id: vm_pager.h,v 1.18 1999/01/21 08:29:12 dillon Exp $
* $Id: vm_pager.h,v 1.19 1999/01/21 10:15:47 dillon Exp $
*/
/*
@ -55,7 +55,7 @@ struct pagerops {
vm_object_t (*pgo_alloc) __P((void *, vm_ooffset_t, vm_prot_t, vm_ooffset_t)); /* Allocate pager. */
void (*pgo_dealloc) __P((vm_object_t)); /* Disassociate. */
int (*pgo_getpages) __P((vm_object_t, vm_page_t *, int, int)); /* Get (read) page. */
int (*pgo_putpages) __P((vm_object_t, vm_page_t *, int, int, int *)); /* Put (write) page. */
void (*pgo_putpages) __P((vm_object_t, vm_page_t *, int, int, int *)); /* Put (write) page. */
boolean_t (*pgo_haspage) __P((vm_object_t, vm_pindex_t, int *, int *)); /* Does pager have page? */
void (*pgo_pageunswapped) __P((vm_page_t));
};
@ -98,7 +98,6 @@ void vm_pager_init __P((void));
vm_object_t vm_pager_object_lookup __P((struct pagerlst *, void *));
vm_offset_t vm_pager_map_pages __P((vm_page_t *, int, boolean_t));
vm_offset_t vm_pager_map_page __P((vm_page_t));
static __inline int vm_pager_put_pages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
void vm_pager_sync __P((void));
void vm_pager_unmap_pages __P((vm_offset_t, int));
void vm_pager_unmap_page __P((vm_offset_t));
@ -113,7 +112,7 @@ vm_pager_get_pages(
return ((*pagertab[object->type]->pgo_getpages)(object, m, count, reqpage));
}
static __inline int
static __inline void
vm_pager_put_pages(
vm_object_t object,
vm_page_t *m,
@ -121,7 +120,8 @@ vm_pager_put_pages(
int flags,
int *rtvals
) {
return ((*pagertab[object->type]->pgo_putpages)(object, m, count, flags, rtvals));
(*pagertab[object->type]->pgo_putpages)
(object, m, count, flags, rtvals);
}
static __inline boolean_t

7
sys/vm/vnode_pager.c
View File

@ -38,7 +38,7 @@
* SUCH DAMAGE.
*
* from: @(#)vnode_pager.c 7.5 (Berkeley) 4/20/91
* $Id: vnode_pager.c,v 1.101 1998/12/04 18:39:44 rvb Exp $
* $Id: vnode_pager.c,v 1.102 1999/01/21 08:29:12 dillon Exp $
*/
/*
@ -75,7 +75,7 @@ static int vnode_pager_input_smlfs __P((vm_object_t object, vm_page_t m));
static int vnode_pager_input_old __P((vm_object_t object, vm_page_t m));
static void vnode_pager_dealloc __P((vm_object_t));
static int vnode_pager_getpages __P((vm_object_t, vm_page_t *, int, int));
static int vnode_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
static void vnode_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
static boolean_t vnode_pager_haspage __P((vm_object_t, vm_pindex_t, int *, int *));
struct pagerops vnodepagerops = {
@ -821,7 +821,7 @@ vnode_pager_generic_getpages(vp, m, bytecount, reqpage)
* All other FS's should use the bypass to get to the local media
* backing vp's VOP_PUTPAGES.
*/
static int
static void
vnode_pager_putpages(object, m, count, sync, rtvals)
vm_object_t object;
vm_page_t *m;
@ -839,7 +839,6 @@ vnode_pager_putpages(object, m, count, sync, rtvals)
printf("vnode_pager: *** WARNING *** stale FS putpages\n");
rtval = vnode_pager_generic_putpages( vp, m, bytes, sync, rtvals);
}
return rtval;
}