sg_pager.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/rwlock.h>
#include <sys/sglist.h>
#include <sys/user.h>
#include <sys/vmmeter.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#include <vm/vm_object.h>
#include <vm/vm_page.h>
#include <vm/vm_pager.h>
#include <vm/vm_phys.h>
#include <vm/uma.h>

Include dependency graph for sg_pager.c:

Go to the source code of this file.

Functions
	__FBSDID ("$FreeBSD$")
static vm_object_t	sg_pager_alloc (void *, vm_ooffset_t, vm_prot_t, vm_ooffset_t, struct ucred *)
static void	sg_pager_dealloc (vm_object_t)
static int	sg_pager_getpages (vm_object_t, vm_page_t *, int, int *, int *)
static void	sg_pager_putpages (vm_object_t, vm_page_t *, int, boolean_t, int *)
static boolean_t	sg_pager_haspage (vm_object_t, vm_pindex_t, int *, int *)

Variables
const struct pagerops	sgpagerops

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

sg_pager_alloc()

static vm_object_t sg_pager_alloc ( void *  handle, vm_ooffset_t  size, vm_prot_t  prot, vm_ooffset_t  foff, struct ucred *  cred  )

static

Definition at line 73 of file sg_pager.c.

References OBJT_SG, OFF_TO_IDX, vm_object::sgp, vm_object::un_pager, and vm_object_allocate().

Here is the call graph for this function:

sg_pager_dealloc()

static void sg_pager_dealloc ( vm_object_t  object )

static

Definition at line 125 of file sg_pager.c.

References OBJT_DEAD, vm_object::sgp, vm_object::un_pager, VM_ALLOC_WAITFAIL, vm_page_busy_acquire(), and vm_page_putfake().

Here is the call graph for this function:

sg_pager_getpages()

static int sg_pager_getpages ( vm_object_t  object, vm_page_t *  m, int  count, int *  rbehind, int *  rahead  )

static

Definition at line 147 of file sg_pager.c.

References PG_FICTITIOUS, vm_object::sgp, vm_object::un_pager, VM_OBJECT_WLOCK, VM_OBJECT_WUNLOCK, vm_page_getfake(), vm_page_replace(), vm_page_valid(), VM_PAGER_OK, and vm_phys_paddr_to_vm_page().

Here is the call graph for this function:

sg_pager_haspage()

static boolean_t sg_pager_haspage ( vm_object_t  object, vm_pindex_t  pindex, int *  before, int *  after  )

static

Definition at line 221 of file sg_pager.c.

sg_pager_putpages()

static void sg_pager_putpages ( vm_object_t  object, vm_page_t *  m, int  count, boolean_t  sync, int *  rtvals  )

static

Definition at line 213 of file sg_pager.c.

Variable Documentation

sgpagerops

const struct pagerops sgpagerops

Initial value:

= {
        .pgo_kvme_type = KVME_TYPE_SG,
        .pgo_alloc =    sg_pager_alloc,
        .pgo_dealloc =  sg_pager_dealloc,
        .pgo_getpages = sg_pager_getpages,
        .pgo_putpages = sg_pager_putpages,
        .pgo_haspage =  sg_pager_haspage,
}

Definition at line 63 of file sg_pager.c.