From dc48d3db81e4e6fe22622e0d7918174a41a9e4e8 Mon Sep 17 00:00:00 2001 From: alc Date: Sat, 19 Apr 2003 22:11:41 +0000 Subject: - Lock the vm_object when performing vm_object_pip_subtract(). - Assert that the vm_object lock is held in vm_object_pip_subtract(). --- sys/kern/vfs_bio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sys/kern/vfs_bio.c') diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 4125781..6fba76f 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3106,6 +3106,8 @@ bufdone(struct buf *bp) KASSERT(bp->b_offset != NOOFFSET, ("biodone: no buffer offset")); + if (obj != NULL) + VM_OBJECT_LOCK(obj); #if defined(VFS_BIO_DEBUG) if (obj->paging_in_progress < bp->b_npages) { printf("biodone: paging in progress(%d) < bp->b_npages(%d)\n", @@ -3194,7 +3196,6 @@ bufdone(struct buf *bp) } vm_page_unlock_queues(); if (obj != NULL) { - VM_OBJECT_LOCK(obj); vm_object_pip_wakeupn(obj, 0); VM_OBJECT_UNLOCK(obj); } -- cgit v1.1