From c9e51c9b11aa77bdcbfe459b0d81939b170d54e7 Mon Sep 17 00:00:00 2001 From: alc Date: Sun, 20 Apr 2003 00:17:05 +0000 Subject: Lock the vm_object in vfs_busy_pages(). --- sys/kern/vfs_bio.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 6fba76f..00d3c0a 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3322,6 +3322,8 @@ vfs_busy_pages(struct buf * bp, int clear_modify) KASSERT(bp->b_offset != NOOFFSET, ("vfs_busy_pages: no buffer offset")); vfs_setdirty(bp); + if (obj != NULL) + VM_OBJECT_LOCK(obj); retry: vm_page_lock_queues(); for (i = 0; i < bp->b_npages; i++) { @@ -3365,6 +3367,8 @@ retry: foff = (foff + PAGE_SIZE) & ~(off_t)PAGE_MASK; } vm_page_unlock_queues(); + if (obj != NULL) + VM_OBJECT_UNLOCK(obj); if (bogus) pmap_qenter(trunc_page((vm_offset_t)bp->b_data), bp->b_pages, bp->b_npages); } -- cgit v1.1