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Don't gain/lose a reference to the object when yanking its pages in

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vinvalbuf()...it will cause vnode locking problems in vm_object_terminate,
and isn't necessary anyway.
This commit is contained in:
David Greenman 1995-03-20 10:19:09 +00:00
parent 9ba0a56334
commit 62b71ed629
2 changed files with 10 additions and 24 deletions
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17
sys/kern/vfs_export.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_subr.c 8.13 (Berkeley) 4/18/94
* $Id: vfs_subr.c,v 1.23 1995/03/16 18:12:49 bde Exp $
* $Id: vfs_subr.c,v 1.24 1995/03/20 02:08:24 davidg Exp $
*/
/*
@ -512,18 +512,11 @@ vinvalbuf(vp, flags, cred, p, slpflag, slptimeo)
* Destroy the copy in the VM cache, too.
*/
if ((flags & V_SAVE) == 0) {
pager = NULL;
object = (vm_object_t) vp->v_vmdata;
if (object != NULL)
pager = object->pager;
if (pager != NULL) {
object = vm_object_lookup(pager);
if (object) {
vm_object_lock(object);
vm_object_page_remove(object, 0, object->size);
vm_object_unlock(object);
vm_object_deallocate(object);
}
if (object != NULL) {
vm_object_lock(object);
vm_object_page_remove(object, 0, object->size);
vm_object_unlock(object);
}
}
if (!(flags & V_SAVEMETA) &&

17
sys/kern/vfs_subr.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_subr.c 8.13 (Berkeley) 4/18/94
* $Id: vfs_subr.c,v 1.23 1995/03/16 18:12:49 bde Exp $
* $Id: vfs_subr.c,v 1.24 1995/03/20 02:08:24 davidg Exp $
*/
/*
@ -512,18 +512,11 @@ vinvalbuf(vp, flags, cred, p, slpflag, slptimeo)
* Destroy the copy in the VM cache, too.
*/
if ((flags & V_SAVE) == 0) {
pager = NULL;
object = (vm_object_t) vp->v_vmdata;
if (object != NULL)
pager = object->pager;
if (pager != NULL) {
object = vm_object_lookup(pager);
if (object) {
vm_object_lock(object);
vm_object_page_remove(object, 0, object->size);
vm_object_unlock(object);
vm_object_deallocate(object);
}
if (object != NULL) {
vm_object_lock(object);
vm_object_page_remove(object, 0, object->size);
vm_object_unlock(object);
}
}
if (!(flags & V_SAVEMETA) &&