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Fix handling of msync(2) for character special files.

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Submitted by: nvidia
This commit is contained in:
Doug Rabson 2004-07-30 11:08:02 +00:00
parent be091cf3cc
commit 874f013517
1 changed files with 3 additions and 1 deletions
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4
sys/vm/vm_object.c
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@ -1023,10 +1023,12 @@ vm_object_sync(vm_object_t object, vm_ooffset_t offset, vm_size_t size,
}
if ((object->type == OBJT_VNODE ||
object->type == OBJT_DEVICE) && invalidate) {
boolean_t purge;
purge = old_msync || (object->type == OBJT_DEVICE);
vm_object_page_remove(object,
OFF_TO_IDX(offset),
OFF_TO_IDX(offset + size + PAGE_MASK),
old_msync ? FALSE : TRUE);
purge ? FALSE : TRUE);
}
VM_OBJECT_UNLOCK(object);
}